TLE7278-2 Dropout Voltage Regulator Automotive Power Dr

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TLE7278-2 Dropout Voltage Regulator Automotive Power Dr

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Data Sheet, Rev. 1.2, April 2009
TLE7278-2
Dropout Voltage Regulator
Automotive Power
Dropout Voltage Regulator
TLE7278-2
Features
Overview
Output Voltage Output Voltage Tolerance Output Current Ultra Quiescent Current Consumption Enable Function Very Dropout voltage Reset With Adjustable Power-On Delay Standard Watchdog With Current Dependent Deactivation Output Current Limitation Wide Operation Range Wide Temperature Range From Overtemperature Shutdown Green Product (RoHS compliant) Qualified
PG-DSO-14
Description
PG-SSOP-14 Exposed
TLE7278-2 monolithic integrated voltage regulator with integrated standard watchdog reset dedicated microcontroller supplies under harsh automotive environment conditions. watchdog circuit deactivated very loads device's output (e.g. microcontroller standby mode). ultra quiescent current TLE7278-2 perfectly suited applications that permanently connected battery. addition, regulator shut down Enable input causing current consumption drop below TLE7278-2 equipped with overtemperature shutdown output current limitation protecting device against overload, short circuit overtemperature. operates wide junction temperature range from
Type TLE7278-2GV50 TLE7278-2GV33 TLE7278-2GV26 TLE7278-2EV50 Data Sheet
Package PG-DSO-14 PG-DSO-14 PG-DSO-14 PG-SSOP-14 Exposed
Marking TLE7278-2GV50 TLE7278-2GV33 TLE7278-2GV26 7278 Rev. 1.2, 2009-04-28
TLE7278-2
Block Diagram
Block Diagram
TLE7278-2
Overtemperature shutdown Bandgap Reference Reset Generator Watchdog
Charge Pump
Enable
Figure
Block Diagram
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Configuration
Configuration
Assignment (PG-DSO-14)
AEP02113_7278
Figure
Configuration
Definitions Functions (PG-DSO-14)
Symbol Function Reset Output TLE7278-2GV33, TLE7278-2GV26: open drain output; TLE7278-2GV50: integrated pull-up resistor Ground connect GND; connect 4-5, 10-12 heat sink area with potential Watchdog Mode watchdog Reset mode selection, Figure connect Watchdog Mode watchdog reset mode selection, Figure connect Watchdog Input trigger input watchdog pulses; pull down needed turn watchdog with Output Voltage block with ceramic capacitor close terminals, respecting values given capacitance "Functional Range" Page Input Voltage block ground directly with ceramic capacitor Enable Input level disables integrated pull-down resistor
2-5, 10-12
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Configuration
Assignments (PG-SSOP-14 Exposed Pad)
Figure
Assignment PG-SSOP-14 Exposed (top view)
Table
Definitions Functions (PG-SSOP-14 Exposed Pad)
Definitions Functions Symbol Function Reset Output integrated pull-up resistor; leave open needed Ground connect connected leave open connect Watchdog Mode watchdog reset mode selection, Figure connect Watchdog Mode watchdog Reset mode selection, Figure connect Watchdog Input trigger input watchdog pulses; pull down needed turn watchdog with Output Voltage block with ceramic capacitor close terminals, respecting values given capacitance "Functional Range" Page Input Voltage block ground directly with ceramic capacitor Enable Input level disables integrated pull-down resistor Exposed connect heatsink area; connect Rev. 1.2, 2009-04-28
n.c.
Data Sheet
TLE7278-2
General Product Characteristics
General Product Characteristics
Absolute Maximum Ratings
Absolute Maximum Ratings
+150 voltages with respect ground, positive current flowing into (unless otherwise specified)
Pos. Input 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 4.1.7 4.1.8 4.1.9 4.1.10 4.1.11 4.1.12 4.1.13
Parameter
Symbol
Limit Values Min. Max.
Unit
Conditions
Voltage Voltage Voltage Voltage Current Voltage Voltage Voltage Current Human Body Model (HBM)3) Charge Device Model (CDM) Junction temperature Storage temperature
VWM1 VWM1 IWM1
Voltage Voltage
-0.3 -0.3 -0.3 -0.3 -0.3
permanent
Output Reset Output Watchdog Mode
permanent permanent
Enable Input
Watchdog Input Watchdog Mode
Susceptibility
Temperatures
Tstg
subject production test, specified design exposure these absolute maximum ratings extended periods affect device reliability Test according JEDEC JESD22-A114 Test according AEC/ESDA ESD-STM5.3.1-1999
Note: Stresses above ones listed here cause permanent damage device. Exposure absolute maximum rating conditions extended periods affect device reliability. Note: Integrated protection functions designed prevent destruction under fault conditions described data sheet. Fault conditions considered "outside" normal operating range. Protection functions designed continuous repetitive operation.
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
General Product Characteristics
Pos. 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5
Functional Range
Parameter Input voltage Symbol Min. Limit Values Max. TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV33 TLE7278-2GV26 Output Capacitor's Requirements Stability Junction Temperature Unit Conditions
ESR(CQ)
minimum output capacitance requirement applicable worst case capacitance tolerance relevant value
Note: Within functional range operates described circuit description. electrical characteristics specified within conditions given related electrical characteristics table.
Pos.
Thermal Resistance
Parameter Symbol Min. Limit Values Typ. Max. measured group pins
Unit
Conditions
Package PG-DSO-14 4.3.1 Junction Soldering Point1)
RthJSP
4.3.2 4.3.3 4.3.4 4.3.5
Junction Ambient1)
RthJA
footprint only3) heatsink area PCB3) heatsink area PCB3) measured exposed
Package PG-SSOP-14 Exposed 4.3.6 4.3.7 4.3.8 4.3.9 4.3.10 Junction Case1) Junction Ambient1)
RthJC RthJA
footprint only3) heatsink area PCB3) heatsink area PCB3)
subject production test, specified design Specified RthJA value according Jedec JESD51-2,-5,-7 natural convection 2s2p board; Product (Chip+Package) simulated 76.2 114.3 board with inner copper layers 70µm 35µm Cu). Where applicable thermal array under exposed contacted first inner copper layer. Specified RthJA value according JEDEC JESD 51-3 natural convection 1s0p board; Product (Chip+Package) simulated 76.2 114.3 board with copper layer 70µm Cu).
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Block Description Electrical Characteristics
Block Description Electrical Characteristics
Circuit Description
5.1.1
Power Reset Reset Output
output voltage level reset output hold low. When level reaches reset threshold VRT, signal remains power-up reset delay time tRD. reset function timing illustrated Figure reset reaction time avoids wrong triggering caused short "glitches" VQ-line. case power down tRR) logic signal generated reset external micro controller. TLE7278-2GV50 TLE7278-2EV50 feature integrated pull-up resistor reset output while TLE7278-2GV33 TLE7278-2GV26 have open drain output requiring external pull-up resistor. When connected voltage level Vext recommended value this external resistor it's also possible calculating value using following formula, based reset sink current (Example: external pull-up resistor connected Vext
Rextmin (Vext VROmin) 0.25 4.75 output voltage levels integrated pull-up resistor TLE7278-2GV50 switched setting
reset output high ohmic.
VRTI
VROH VROL
AET03526NEW.VSD
Figure Data Sheet
Reset Function Timing Diagram Rev. 1.2, 2009-04-28
TLE7278-2
Block Description Electrical Characteristics
5.1.2
Watchdog Operation
watchdog uses fraction charge pump oscillator's clock signal timebase. watchdog timebase adjusted using pins (see Figure watchdog turned setting high level. timing values used this text refer typ. values with connected (fast watchdog reset timing). timebase switched changing condition pins, timing valid from beginning period From this time frequency must adapted. Figure shows state diagram watchdog (WD) mode selection. After power-on, reset output signal (microcontroller reset) kept reset delay time typ. With HIGH transition signal device starts ignore window time ms). Next starts Watchdog Period (time frame within trigger must occur). From timing signal from micro controller must correspond WD-Period tWD,p correspondent electrical characteristics based setting pins. Re-Trigger WD-Period done with HIGH-to-LOW Transient WDI-pin within tWD,p. HIGH transition watchdog trigger signal taken trigger. avoid wrong triggering parasitic glitches HIGH samples followed samples (sample period tsam typ. decoded valid trigger. reset generated goes LOW) there trigger pulse during Watchdog Period.
WD_OFF
Normal operation
WD_ON
Reset during Current shut down Power Fail
tsam
Trigger Window
Ingnore
Don't care during Correct Trigger
tWD,p
Trigger causing reset Current Controlled WD-turn
Watchdog Mode Reset Mode
Fast Fast
Slow Slow
Fast Slow
Slow
7278 Timing
Figure
Watchdog Timing Diagram, Watchdog Reset Modes
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Block Description Electrical Characteristics
Electrical Characteristics
Electrical Characteristics
13.5 +150 voltages with respect ground, positive current flowing into
(unless otherwise specified) Pos. Parameter Symbol Min. Output 5.2.1 Output voltage Limit Values Typ. 5.00 Max. 5.10 TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV33 TLE7278-2GV33 TLE7278-2GV26 TLE7278-2GV26 Unit Conditions
4.90
5.2.2
Output voltage
4.90
5.00
5.10
5.2.3
Output voltage
3.234
3.30
3.366
5.2.4
Output voltage
3.234
3.30
3.366
5.2.5
Output voltage
2.548
2.60
2.652
5.2.6
Output voltage
2.548
2.60
2.652
5.2.7 5.2.8
Output current limitation Dropout Voltage;
5.2.9 5.2.10 5.2.11 5.2.12 Load regulation Line regulation Power-Supply-Ripple-Rejection Reverse Output Current Clamping Quiescent current; Quiescent current; Disabled High Level Input Voltage
mA1)
TLE7278-2GV50, TLE7278-2EV50
VQ,Lo VQ,Li
IQ,REV
Rev. 1.2, 2009-04-28
PSRR VQ,REV
Current Consumption 5.2.13 5.2.14
Enable Input 5.2.15
VEN,H
Data Sheet
TLE7278-2
Block Description Electrical Characteristics Electrical Characteristics (cont'd)
13.5 +150 voltages with respect ground, positive current flowing into (unless otherwise specified)
Pos. 5.2.16 5.2.17 5.2.18 5.2.19 5.2.20 5.2.21 5.2.22 5.2.23 5.2.24 5.2.25 5.2.26 5.2.27 5.2.28 5.2.29 5.2.30 5.2.31 5.2.32 5.2.33 5.2.34 5.2.35 5.2.36 Level Input Voltage High Level Input Current Level Input Current Watchdog sampling time Ignore window time Watchdog Period Watchdog deactivation current threshold Level Input Voltage High Level Input Voltage Level Input Voltage High Level Input Voltage High Level Input Current High Level Input Voltage Parameter Level Input Voltage Symbol Min. Limit Values Typ. 0.50 1.00 32.0 64.0 Max. 0.80 0.80 0.80 0.60 1.20 38.4 76.8 38.4 76.8 Unit Conditions
VEN,L
IEN,H VWM1,H
4.00 2.65 2.30
0.02 0.02
TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV33 TLE7278-2GV26 TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV33 TLE7278-2GV26 TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV33 TLE7278-2GV26
Watchdog Mode
VWM1,L VWM2,H
4.00 2.65 2.30
Watchdog Mode
VWM2,L VWDI,H
2.65 2.30
Watchdog Input
VWDI,L IWDI,H IWDI,L tsam tWD,p IQ,WD_off
0.40 0.80 25.6 51.2 25.6 51.2
VWDI VWDI
fast watchdog timing slow watchdog timing fast watchdog timing slow watchdog timing fast watchdog timing slow watchdog timing
decreasing WD_on
TLE7278-2GV50, TLE7278-2EV50 VI,WD_on TLE7278-2GV33, TLE7278-2GV26
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Block Description Electrical Characteristics Electrical Characteristics (cont'd)
13.5 +150 voltages with respect ground, positive current flowing into (unless otherwise specified)
Pos. 5.2.37 Parameter Watchdog activation current threshold Symbol Min. Limit Values Typ. Max. Unit Conditions
IQ,WD_on
increasing VI,WD_on
TLE7278-2GV50, TLE7278-2EV50 VI,WD_on TLE7278-2GV33, TLE7278-2GV26
Reset Output 5.2.38 Output Voltage Reset Switching Threshold
4.50
4.60
4.70
TLE7278-2GV50, TLE7278-2EV50 decreasing TLE7278-2GV332) decreasing TLE7278-2GV262) decreasing TLE7278-2GV262) TLE7278-2GV332) VRT, decreasing TLE7278-2GV26 TLE7278-2GV33 TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV50, TLE7278-2EV50 0.25 TLE7278-2GV33
5.2.39 5.2.40 5.2.41 Input Voltage Reset Switching Threshold
3.00 2.35
3.07 2.38
3.13 2.45
VRT_VI
5.2.42 5.2.43 5.2.44 5.2.45
Reset Hysteresis
Maximum Reset Sink Current
1.75
5.2.46
0.25
5.2.47 TLE7278-2GV26
5.2.48 5.2.49 5.2.50
Reset output voltage Reset high voltage Reset high leakage current
VROL VROH IROLK
0.15
0.25
2.35 0.25
TLE7278-2GV50, TLE7278-2EV50 TLE7278-2GV33 TLE7278-2GV26
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Block Description Electrical Characteristics Electrical Characteristics (cont'd)
13.5 +150 voltages with respect ground, positive current flowing into (unless otherwise specified)
Pos. 5.2.51 Parameter Integrated reset pull-up resistor Symbol Min. Limit Values Typ. Max. TLE7278-2GV50, TLE7278-2EV50 internally connected fast reset timing slow reset timing Unit Conditions
5.2.52 5.2.53
Power-on Reset delay time Reset Reaction Time
12.8 25.6
16.0 32.0
19.2 38.4
measured when output voltage dropped from nominal Value obtained 13.5 reset output triggered when output voltage lower than output voltage reset switching threshold also triggered, when input voltage decreasing
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Typical Performance Characteristics Current Consumption versus Junction Temperature (EN=ON)
1_Iq-Tj.vsd
Current Consumption versus Output Current (EN=ON)
[µA] 13.5V
[µA]
0.01
1000
[°C]
Current Consumption versus Input Voltage Tj=-40°C (EN=ON)
Current Consumption versus Input Voltage Tj=25°C (EN=ON)
3A_IQ-VI_25.VSD
3A_IQ-VI_-40.VSD
[µA]
[µA]
-40°C
100mA 10mA
100mA 10mA
0.2mA
0.2mA
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Typical Performance Characteristics Load Regulation versus Output Current Change
18b_dVQ-dIQ_Vi135V.vsd
Load Regulation versus Output Current Change
18a_dVQ-dIQ_Vi6V.vsd
[mV]
13.5V
[mV]
[mA]
[mA]
Power Supply Ripple Rejection PSRR
13_PSRR.VSD
Load Regulation versus Output Current Change
18c_dVQ-dIQ_Vi28V.vsd
PSRR
[dB]
[mV]
VRIPPLE 13.5 470nF Ceramics
100k
[Hz]
[mA]
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Typical Performance Characteristics Line Regulation versus Input Voltage Change
19_dVQ-dVI_150C.vsd
Line Regulation versus Input Voltage Change
19_dVQ-dVI_25C_.vsd
[mV]
10mA
[mV]
10mA
100mA
Line Regulation versus Input Voltage Change
19_dVQ-dVI_-40C.vsd
Enable Input Current versus Enable Input Voltage
24_IINH VINH.vsd
[mV]
[µA]
150°C 25°C -40°C
100mA
10mA
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Typical Performance Characteristics Enable Input Current versus Input Voltage EN=Off
25_IINH INH_off.vsd
Enable High Level Level Input Voltage VEN,H VEN,L versus Junction Temperature
25a_VINH_Tj_ INH_on.vsd
[µA]
13.5V
increasing
150°C
decreasing
25°C -40°C
[°C]
Reset Threshold versus Junction Temperature (5V-Version)
26_VRT_VS_TEMP_5V.VSD
Reset Hysteresis versus Junction Temperature (5V-Version)
[mV]
13.5
13.5
4.90
4.80 Reset Release Threshold 4.70
4.60 Reset Trigger Threshold
[°C]
[°C]
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Typical Performance Characteristics Reset Threshold versus Junction Temperature (3.3V-Version)
26_VRT_VS_TEMP_33V.VSD
Reset Hysteresis versus Junction Temperature (3.3V-Version)
[mV]
13.5
13.5
3.20 Reset Release Threshold 3.10
3.00
Reset Trigger Threshold
2.90
[°C]
[°C]
Reset Threshold versus Junction Temperature (2.6V-Version)
26_VRT_VS_TEMP_26V.VSD
Reset Hysteresis versus Junction Temperature (2.6V-Version)
[mV]
13.5
13.5
2.50
Reset Release Threshold
2.40 Reset Trigger Threshold
2.30
2.20
[°C]
[°C]
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Typical Performance Characteristics Reset Delay Time versus Junction Temperature
[ms]
27_RESETDELAY TEMP.VSD
Reset Reaction Time versus Junction Temperature
[µs]
28_RESETREACTION_VS_TEMP.VSD
13.5
13.5
SLOW Timing
FAST Timing
[°C]
[°C]
Reset Output Sink Current versus Junction Temperature
4,40 [mA]
30_IRO_VS_TEMP.VSD
Watchdog Timing versus Junction Temperature
[ms]
44_TWD_VS_TEMP.VSD
13.5
Timing Ignore-, Open- Closed- Window
13.5
3,60
SLOW Timing
3,20
2,80
2,40
FAST Timing
[°C]
[°C]
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Typical Performance Characteristics Region Stability ESR(CQ) versus Output Current
12_ESR-IQ.VSD
ESRCQ
470nF -40.150
Stable Region
0.01
[mA]
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Package Outlines
Package Outlines
0.35
1.75 MAX.
0.175 ±0.07 (1.47)
-0.2
1.27 0.41+0.10 -0.06
6±0.2
0.64 ±0.25
8.75 -0.2
Index Marking Does include plastic metal protrusion 0.15 max. side Lead width 0.61 max. dambar area GPS01230
Figure PG-DSO-14 (Plastic/Plastic Green Dual Small Outline Package)
Data Sheet
Rev. 1.2, 2009-04-28
8°MAX.
0.19 +0.06
TLE7278-2
Package Outlines
0.35
Stand (1.45)
MAX.
±0.11)
0.19 +0.06
0.08 ±0.2
0.65 0.25 ±0.05
0.64 ±0.25
MAX.
0.15
Bottom View ±0.2
Exposed Diepad
±0.11)
Index Marking
Does include plastic metal protrusion 0.15 max. side Does include dambar protrusion
PG-SSOP-14-1,-2,-3-PO
Figure
PG-SSOP-14 Exposed
Green Product (RoHS compliant) meet world-wide customer requirements environmentally friendly products compliant with government regulations device available green product. Green products RoHS-Compliant (i.e Pb-free finish leads suitable Pb-free soldering according IPC/JEDEC J-STD-020).
further information alternative packages, please visit website: Data Sheet
2.65 ±0.2
Dimensions Rev. 1.2, 2009-04-28
TLE7278-2
Revision History
Revision
Revision History
Date 2009-04-28 Changes 2.6V version, version PG-SSOP-14 package related description added: "Features" Page 2.6V" added "Features" Page package drawing PG-DSO-14 updated, package drawing PG-SSOP-14 added "Overview" Page table bottom types "TLE7278-2GV26" TLE7278-2EV50" added Table "Pin Definitions Functions (PG-DSO-14)" Page description TLE7273-2GV26" added "Pin Assignment (PG-DSO-14)" Page "(PG-DSO-14)" added; "Pin Definitions Functions (PG-DSO-14)" Page "(PG-DSO-14)" added; Table "Pin Definitions Functions (PG-DSO-14)" Page description pull down needed turn watchdog with pin" added "Pin Assignments (PG-SSOP-14 Exposed Pad)" Page "Pin Definitions Functions (PG-SSOP-14 Exposed Pad)" Page added "Functional Range" Page Item 4.2.3 added, Item 4.2.1 TLE72782EV50" added Table "Thermal Resistance" Page above Item 4.3.1 line with "Package PG-DSO-14" values PG-SSOP-14 package added: Item 4.3.6, Item 4.3.7, Item 4.3.8, Item 4.3.9 Item 4.3.10 added "Power Reset Reset Output" Page "and TLE7278-2EV50" description added "Electrical Characteristics" Page specific items 2.6V version added: Item 5.2.5, Item 5.2.6, Item 5.2.21, Item 5.2.25, Item 5.2.29, Item 5.2.40, Item 5.2.42 Item 5.2.47 added; Item 5.2.36, Item 5.2.37, Item 5.2.41 Item 5.2.50 conditions 2.6V version added; Item 5.2.1, Item 5.2.2, Item 5.2.8, Item 5.2.19, Item 5.2.23, Item 5.2.27, Item 5.2.36, Item 5.2.37, Item 5.2.38, Item 5.2.44, Item 5.2.45, Item 5.2.49 Item 5.2.51 conditions TLE7278-2EV50" added "Typical Performance Characteristics" Page Graphs "Reset Threshold versus Junction Temperature (3.3V-Version)" Page "Reset Hysteresis versus Junction Temperature (3.3V-Version)" Page "Reset Threshold versus Junction Temperature (2.6VVersion)" Page "Reset Hysteresis versus Junction Temperature (2.6V-Version)" Page added "Package Outlines" Page Outlines PG-SSOP-14 package added: Figure
Data Sheet
Rev. 1.2, 2009-04-28
TLE7278-2
Revision History Revision Date 2008-07-25 Changes 3.3V version related description added: "Features" Page 3.3V" added "Overview" Page table bottom type "TLE7273-2GV33" added "Pin Definitions Functions (PG-DSO-14)" Page description "TLE7273-2GV33: open drain output;" added "Functional Range" Page Item 4.2.2 added "Power Reset Reset Output" Page description dimensioning external pull-up resistor added; "Electrical Characteristics" Page specific Items 3.3V version added: Item 5.2.3, Item 5.2.4, Item 5.2.20, Item 5.2.24, Item 5.2.28, Item 5.2.39, Item 5.2.41, Item 5.2.43, Item 5.2.46 Item 5.2.50 added; Item 5.2.36 Item 5.2.37 Conditions 3.3V version added; 2008-04-10 final version data sheet
Data Sheet
Rev. 1.2, 2009-04-28
Edition 2009-04-28 Published Infineon Technologies 81726 Munich, Germany 2009 Infineon Technologies Rights Reserved. Legal Disclaimer information given this document shall event regarded guarantee conditions characteristics. With respect examples hints given herein, typical values stated herein and/or information regarding application device, Infineon Technologies hereby disclaims warranties liabilities kind, including without limitation, warranties non-infringement intellectual property rights third party. Information further information technology, delivery terms conditions prices, please contact nearest Infineon Technologies Office (www.infineon.com). Warnings technical requirements, components contain dangerous substances. information types question, please contact nearest Infineon Technologies Office. Infineon Technologies components used life-support devices systems only with express written approval Infineon Technologies, failure such components reasonably expected cause failure that life-support device system affect safety effectiveness that device system. Life support devices systems intended implanted human body support and/or maintain sustain and/or protect human life. they fail, reasonable assume that health user other persons endangered.

TLE7278-2 Dropout Voltage Regulator Automotive Power Dr

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