TLE4253 Dropout Voltage Tracking Regulator Automotive Power

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TLE4253 Dropout Voltage Tracking Regulator Automotive Power

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Data Sheet, Rev. 1.1, August 2008
TLE4253
Dropout Voltage Tracking Regulator
Automotive Power
Dropout Voltage Tracking Regulator
TLE4253
Features
Overview
Tight output tracking tolerance reference Output voltage adjust down Stable with ceramic output capacitor Flexibility output voltage adjust higher lower than reference, proportional reference voltage output current capability dropout voltage Combined tracking enable input Very current consumption mode PG-DSO-8 package with lowest thermal resistance Wide input voltage range Wide temperature range: Output protected against short circuit battery Overtemperature protection Reverse polarity proof Suitable automotive electronics Green Product (RoHS compliant) Qualified
PG-DSO-8
Functional Description TLE4253 monolithic integrated low-dropout voltage tracking regulator small PG-DSO-8 package. designed supply off-board systems, sensors engine management systems under severe conditions automotive applications. Therefore, equipped with additional protection functions against reverse polarity short circuit battery. With supply voltages output voltage follows reference voltage applied adjust input with high accuracy. reference voltage applied directly adjust input external resistor divider minimum. output able drive loads minimum while device follows output main voltage regulator acting reference with high accuracy. TLE4253 tracker into shutdown mode order reduce quiescent current extremly value. This suits suitable power battery applications.
Type TLE4253GS
Package PG-DSO-8
Marking 4253
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Block Diagram
Block Diagram
Saturation Control Protection circuits
Temperature control
4253
typ. 1.4V
Figure
Block Diagram
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Configuration
Configuration
Assignment
EN/ADJ
4253
Figure
Configuration Block Diagram
Definitions Functions
Symbol Function Tracker Output. Block with capacitor close terminals, respecting capacitance requirements given table "Functional Range". Ground reference. Interconnect pins PCB. Connect heatsink area. Feedback input tracker. inverting input internal error amplifier control output voltage. Connect this directly output order obtain lower equal output voltages with respect reference voltage connect voltage divider higher output voltages than reference (see application information). Adjust Enable. Connect reference this pin. active high signal reference turns device, with active tracker disabled. reference voltage connected directly voltage divider lower output voltages (see application information). Input. supply. compensating line influences, capacitor close terminals recommended.
EN/ADJ
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
General Product Characteristics
General Product Characteristics
Absolute Maximum Ratings
Absolute Maximum Ratings voltages with respect ground (unless otherwise specified). Pos. Voltages 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 4.1.7 4.1.8 Input voltage Output voltage Adjust Enable Input Feedback Input Junction Temperature Storage Temperature Susceptibility Parameter Symbol Limit Values Min. Max. HBM2) CDM3) Unit Conditions
VADJ/EN Tstg VESD,HBM VESD,CDM
Temperature
Rating
subject production test, specified design. susceptibility Human Body Model "HBM" according EIA/JESD 22-A 114B. susceptibility Charged Device Model "CDM" according EIA/JESD22-C101 ESDA STM5.3.1.
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. 1.1, 2008-08-19
TLE4253
General Product Characteristics
Pos. 4.2.1 4.2.1 4.2.2 4.2.3 4.2.4
Functional Range
Parameter Input Voltage Adjust Enable Input Voltage (Voltage Tracking Range) Junction Temperature Output Capacitor Requirements Symbol Limit Values Min. Max. Unit Conditions
VADJ/EN ESRCQ
minimum output capacitance requirement applicable worst case capacitance tolerance 30%. relevant value kHz.
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 Value Typ. Max. Unit Conditions
PG-DSO-8: 4.3.5 4.3.1 4.3.2 4.3.3 4.3.4 Junction Soldering Point Junction Ambient
RthJSP RthJA
Pins fixed Footprint only heatsink area heatsink area 2s2p board2)
Package mounted FR4; horizontal position; zero airflow. subject production test; specified design. Specified RthJA value according 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 package contacted first inner copper layer.
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics
Electrical Characteristics
Tracking Regulator
output voltage controlled comparing voltage applied ADJ/EN driving pass transistor accordingly. control loop stability depends output capacitor load current, chip temperature poles/zeros introduced integrated circuit. ensure stable operation, output capacitor's capacitance equivalent series resistor requirements given table "Functional Range" have maintained. details also typical performance graph "Output Capacitor Series Resistor ESRCQ Output Current IQ". Also, output capacitor shall sized buffer load transients. input capacitor strongly recommended buffer line influences. Connect capacitors close terminals. Protection circuitry prevent well application from destruction case catastrophic events. These safeguards contain output current limitation, reverse polarity protection well thermal shutdown case overtemperature. order avoid excessive power dissipation that could never handled pass element package, maximum output current decreased high input voltages. overtemperature protection circuit prevents from immediate destruction under fault conditions output continuously short-circuited GND) reducing output current. thermal balance below junction temperature established. Please note that junction temperature above outside maximum ratings reduces lifetime. TLE4253 allows negative supply voltage. However, several small currents flowing into details electrical characteristics table typical performance graph. thermal protection circuit operating during reverse polarity condition. Table Electrical Characteristics Tracking Regulator
13.5 VADJ/EN voltages with respect ground (unless otherwise specified).
Pos. 5.1.1 5.1.2 Parameter Output Voltage Tracking Accuracy VEN/ADJ Symbol Limit Values Min. Typ. Max. Unit Test Condition
5.1.3
5.1.4 5.1.5
Load Regulation steady-state Line Regulation steady-state Power Supply Ripple Rejection
|dVQ,load| |dVQ,line|
5.1.6
PSRR
VADJ/EN VADJ/EN VADJ/EN VADJ/EN VADJ/EN fripple Vripple ceramic type
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics Table Electrical Characteristics Tracking Regulator
13.5 VADJ/EN voltages with respect ground (unless otherwise specified).
Pos. 5.1.7 5.1.8 5.1.9 Parameter Dropout Voltage Output Current Limitation Reverse Current Symbol Limit Values Min. Typ. -5.5 Max. Unit Test Condition
IQ,max
(VADJ VADJ/EN VADJ/EN VADJ/EN
5.1.10 Reverse Current Negative Input Voltage Feedback Input 5.1.11 Feedback Input Biasing Current Overtemperature Protection: 5.1.12 Junction Temperature Equilibrium
Tj,eq
increasing power dissipation generated IC1)
Parameter subject production test; specified design. Measured when output voltage dropped from nominal value.
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics Typical Performance Characteristics Tracking Regulator
VADJ/EN (unless otherwise noted)
Output Voltage Adjust Voltage VADJ
VQ-VADJ.vsd
Output Voltage Input Voltage
VQ-VI.vsd
13.5
VADJ
VADJ
Output Current Limitation IQ,max Input Voltage
SOA.VSD
Output Current Limitation IQ,max Output Voltage
IQmax-VQ.vsd
[mA]
13.5 VADJ
25°C
125°C
[mA]
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics Typical Performance Characteristics Tracking Regulator
VADJ/EN (unless otherwise noted)
Output Capacitor Series Resistor ESRCQ Output Current
ESR-IQ_10u.vsd
Output Capacitor Series Resistor ESRCQ Output Current
ESR-IQ_6u8.vsd
Stable Region
Stable Region
0.01
0.01
[mA]
Power Supply Ripple Rejection PSRR
PSRR.vsd
[mA]
Line Regulation dVQ,line Input Voltage Change
dVQ-dVI.vsd
PSRR
[dB]
[mV]
VI,initial VADJ
VRIPPLE 13.5 Ceramic
steady-state condition
0.01
[kHz]
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics Typical Performance Characteristics Tracking Regulator
VADJ/EN (unless otherwise noted)
Load Regulation dVQ,line Output Current Change
dVQ-dIQ.vsd
Tracking Accuracy Junction Temperature
dVQ-Tj.vsd
[mV]
Q,initial VADJ
[mV]
steady-state condition
[mA]
Line Transient Response
dVI-reponse.vsd
[°C]
Load Transient Response
[mV]
dIQresponse.vsd
[mV]
Ceramic
[mA]
13.5 VADJ
[µs]
[µs]
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics Typical Performance Characteristics Tracking Regulator
VADJ/EN (unless otherwise noted)
Dropout Voltage Output Current
Vdr-IQ_log.vsd
Dropout Voltage Junction Temperature
Vdr-Tj.vsd
[mV]
[mV]
1000
[mA]
Reverse Current Input Voltage
II-VI.vsd
[°C]
Reverse Output Current Output Voltage
IQ-VQ.vsd
[mA]
VADJ
[mA]
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics
Table
Current Consumption
Electrical Characteristics Current Consumption
13.5 VADJ/EN
voltages with respect ground (unless otherwise specified). Pos. 5.2.1 Parameter Quiescent Current Stand-by Mode Current Consumption Symbol Min. Limit Values Typ. Max. Unit Conditions
5.2.2
5.2.3 5.2.4 Current Consumption Dropout Region;
VADJ/EN VADJ/EN VADJ/EN VADJ
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics Typical Performance Characteristics Tracking Regulator
VADJ/EN (unless otherwise noted)
Current Consumption Junction Temperature
Iq-Tj.vsd
Current Consumption Output Current
Iq-IQ.vsd
[mA] 13.5V
[mA]
EN/ADJ
0.01
0.01
[°C]
Current Consumption Input VoltageVI
[mA]
Quiescent Current Junction Temperature
Iq1-Tj.vsd
Iq-VI.vsd
[µA]
13.5V VEN/ADJ
LOAD LOAD LOAD LOAD
[mA]
[°C]
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Electrical Characteristics
Adjust Enable Input
order reduce quiescent current minimum, TLE4253 switched stand-by mode setting adjust/enable input "ADJ/EN" "low". case "ADJ/EN left open, internal pull-down resistors keeps voltage therefore ensures that regulator switched off. Table Electrical Characteristics Adjust Enable
13.5 VADJ/EN
voltages with respect ground (unless otherwise specified). Pos. 5.3.1 Parameter Adjust Enable Signal Valid Adjust Enable High Signal Valid (Tracking Region) Adjust Enable Input Current Adjust Enable internal pull-down resistor Symbol Min. Limit Values Typ. Max. Unit Test Condition
VADJ/EN,low
5.3.2
VADJ/EN,high
5.3.3 5.3.4
IADJ/EN RADJ/EN
settled: VADJ/EN| VADJ/EN
Typical Performance Characteristics Tracking Regulator
VADJ/EN (unless otherwise noted)
Startup Sequence
4253_startup.vsd
Overshoot depends load current,
VADJ
IQ,max-ILoad
[µs]
Data Sheet Rev. 1.1, 2008-08-19
TLE4253
Application Information
Application Information
Note: following information given hint implementation device only shall regarded description warranty certain functionality, condition quality device. application circuits shown simplified examples. function must verified real application.
VBAT
e.g. C167 Main supply, e.g. TLE4271-2 TLE4278 TLE4470 etc. VREF
4253
e.g. board supply, sensors
Figure
Application circuit: Output voltage equal reference voltage VREF
Figure shows typical schematic applications where tracker output voltage equals reference voltage VREF applied "EN/ADJ". "FB" connected directly output. reference voltage directly applied "EN/ADJ".
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Application Information
VBAT
e.g. C167 Main supply, e.g. TLE4271-2 TLE4278 TLE4470 etc. VREF R1ADJ
VREF
R2ADJ
4253
Figure
Application circuit: Output voltage lower than reference voltage VREF
order obtain lower output voltage tracker output than reference voltage VREF, voltage divider according Figure used. output voltage then calculates:
With given reference voltage VREF, desired output voltage resistor value R1ADJ, resistor value R2ADJ given
Taking into consideration also effect internal EN/ADJ pull-down resistor, external resistor divider's R2ADJ selected
PullDown ,min ,select PullDown ,min
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Application Information
VBAT
e.g. C167 Main supply, e.g. TLE4271-2 TLE4278 TLE4470 etc. VREF VREF
4253
R1FB R2FB
Figure
Application circuit: Output voltage higher than reference voltage VREF
output voltages higher than reference voltage, voltage divider applied between feedback output according Figure equation output voltage with respect reference voltage given
Keep mind that input voltage minimum equal output voltage plus dropout voltage regulator. With given reference voltage VREF, desired output voltage resistor value R1FB, resistor value R2FB given
Data Sheet
Rev. 1.1, 2008-08-19
TLE4253
Package Outlines
Package Outlines
0.35
1.75 MAX.
0.175 ±0.07 (1.45)
-0.21)
0.19 +0.06
MAX.
0.41+0.1 -0.06
1.27
±0.2
0.64 ±0.25
HLG05506
Reflow Soldering
-0.2 Index Marking
Does include plastic metal protrusion 0.15 max. side Lead width 0.61 max. dambar area
GPS01181
Dimensions: 1.27 5.69 1.31 0.65
Figure
Outline Footprint PG-DSO-8
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).
Find packages, sorts packing others Infineon Internet Page "Packages": Dimensions Data Sheet Rev. 1.1, 2008-08-19
TLE4253
Revision History
Revision History
Changes "Package Outlines" Page updated; "Typical Performance Characteristics Tracking Regulator" Page Graph "Current Consumption Input VoltageVI" Page added
Revision Date
2008-08-19 Updated Version Final Datasheet TLE4253GS:
2007-07-10 Initial Final Datasheet TLE4253GS. TLE4253ES (exposed pad) product variant, please refer respective datasheet
0.41
2006-01-27 Target Datasheet
Data Sheet
Rev. 1.1, 2008-08-19
Edition 2008-08-19 Published Infineon Technologies 81726 Munich, Germany 2008 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.

TLE4253 Dropout Voltage Tracking Regulator Automotive Power

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