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S-L2980 Series S-L2980 series positive voltage regulator with dro


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HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
S-L2980 series positive voltage regulator with dropout voltage, high output voltage accuracy, current consumption developed based CMOS technology. built-in on-resistance transistor provides dropout voltage large output current. shutdown circuit ensures long battery life. Various types output capacitors used S-L2980 series compared with conventional CMOS voltage regulators. small ceramic capacitor also used.
Features
Output voltage: High accuracy output voltage: dropout voltage: current consumption: High peak current capability: Built-in shutdown circuit: capacitor: High ripple rejection: Small package: Lead-free products selectable steps ±2.0 accuracy typ. output product, IOUT=50 During operation: typ., max. During shutdown: typ., max. output possible. VINVOUT(S)+1.0 V)*1 Ensure long battery life. capacitor used output capacitor. capacitor used output capacitor products whose output voltage less.) typ. kHz) SOT-23-5
Attention should paid power dissipation package when load large.
Applications
Power supply battery-powered devices Power supply personal communication devices Power supply home electric/electronic appliances Power supply cellular phones
Package
Package Name SOT-23-5 Package MP005-A Drawing Code Tape MP005-A Reel MP005-A
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Block Diagram
VOUT
ON/OFF Shutdown circuit
Reference voltage circuit
Parasitic diode
Figure
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Product Name Structure
product types output voltage S-L2980 Series selected user's request. Refer Product Name" construction product name Product Name List" full product names. Product Name S-L2980 direction tape specifications*1 Package name (abbreviation) SOT-23-5 Output voltage (e.g. When output voltage expressed 15.) Product type*2 ON/OFF positive logic ON/OFF negative logic Refer taping specifications. Refer Shutdown (ON/OFF Pin)" Operation".
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Product Name List Table Output Voltage SOT-23-5 ±2.0 S-L2980A15MC-TF-G ±2.0 S-L2980A16MC-TF-G ±2.0 S-L2980A17MC-TF-G ±2.0 S-L2980A18MC-TF-G ±2.0 S-L2980A19MC-TF-G ±2.0 S-L2980A20MC-TF-G ±2.0 S-L2980A21MC-TF-G ±2.0 S-L2980A22MC-TF-G ±2.0 S-L2980A23MC-TF-G ±2.0 S-L2980A24MC-TF-G ±2.0 S-L2980A25MC-TF-G ±2.0 S-L2980A26MC-TF-G ±2.0 S-L2980A27MC-TF-G ±2.0 S-L2980A28MC-TF-G ±2.0 S-L2980A29MC-TF-G ±2.0 S-L2980A30MC-TF-G ±2.0 S-L2980A31MC-TF-G ±2.0 S-L2980A32MC-TF-G ±2.0 S-L2980A33MC-TF-G ±2.0 S-L2980A34MC-TF-G ±2.0 S-L2980A35MC-TF-G S-L2980A36MC-TF-G ±2.0 S-L2980A37MC-TF-G ±2.0 ±2.0 S-L2980A38MC-TF-G ±2.0 S-L2980A39MC-TF-G ±2.0 S-L2980A40MC-TF-G ±2.0 S-L2980A41MC-TF-G ±2.0 S-L2980A42MC-TF-G ±2.0 S-L2980A43MC-TF-G ±2.0 S-L2980A44MC-TF-G ±2.0 S-L2980A45MC-TF-G ±2.0 S-L2980A46MC-TF-G ±2.0 S-L2980A47MC-TF-G ±2.0 S-L2980A48MC-TF-G ±2.0 S-L2980A49MC-TF-G ±2.0 S-L2980A50MC-TF-G ±2.0 S-L2980A51MC-TF-G ±2.0 S-L2980A52MC-TF-G ±2.0 S-L2980A53MC-TF-G ±2.0 S-L2980A54MC-TF-G ±2.0 S-L2980A55MC-TF-G ±2.0 S-L2980A56MC-TF-G ±2.0 S-L2980A57MC-TF-G ±2.0 S-L2980A58MC-TF-G ±2.0 S-L2980A59MC-TF-G ±2.0 S-L2980A60MC-TF-G Remark Please contact sales office type products.
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Configurations
SOT-23-5 view
Table Symbol Description Input voltage ON/OFF Shutdown NC*1 connection VOUT Output voltage electrically open. connected VSS.
Figure
Absolute Maximum Ratings
Table Item Input voltage Output voltage Power dissipation Symbol VON/OFF VOUT (Ta=25 unless otherwise specified) Absolute Maximum Rating Unit VSS-0.3 VSS+12 VSS-0.3 VSS+12 VSS-0.3 VIN+0.3 (When mounted board) 600*1 +125
Operating ambient temperature Topr Storage temperature Tstg When mounted board [Mounted board] Board size 114.3 76.2 t1.6 Board name JEDEC STANDARD51-7
Caution absolute maximum ratings rated values exceeding which product could suffer physical damage. These values must therefore exceeded under conditions.
Power Dissipation (PD) [mW] Ambient Temperature (Ta) [°C]
Figure Power Dissipation Package (When Mounted Board)
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Electrical Characteristics
Table Item Output voltage*1 Output current*2 Dropout voltage*3 Symbol VOUT(E) IOUT Vdrop Condition =VOUT(S)+1.0 IOUT=50 VOUT(S)+1.0 IOUT VOUT(S) VOUT(S) VOUT(S) VOUT(S) VOUT(S) VOUT(S) (Ta=25 unless otherwise specified) Test Min. Typ. Max. Unit circuit VOUT(S) 0.98 150*5 -0.1 -0.1 VOUT(S) 0.17 0.16 0.15 0.13 0.12 0.11 0.05 ±100 VOUT(S) 1.02 0.33 0.29 0.26 0.20 0.15 0.14 ppm/
Line regulation Load regulation Output voltage temperature coefficient*4 Current consumption during operation Current consumption when shutdown Input voltage ON/OFF input voltage ON/OFF input voltage ON/OFF input current ON/OFF input current Ripple rejection
VOUT1 VOUT VOUT2 VOUT VOUT
VOUT(S)+0.5 IOUT=50 VIN=VOUT(S)+1.0 IOUT VIN=VOUT(S)+1.0 IOUT -40°C 85°C VIN=VOUT(S)+1.0 ON/OFF pin=ON, load VIN=VOUT(S)+1.0 ON/OFF =OFF, load VIN=VOUT(S)+1.0 RL=1.0 VIN=VOUT(S)+1.0 RL=1.0 VIN=VOUT(S)+1.0 VON/OFF=7.0 VIN=VOUT(S)+1.0 VON/OFF=0 VIN=VOUT(S)+1.0 kHz, Vrip=0.5 rms, IOUT=50 VOUT(S) VOUT(S) VOUT(S)
ISS1 ISS2
VOUT(S): Specified output voltage VOUT(E): Actual output voltage fixed load output voltage when fixing IOUT(=50 inputting VOUT(S)+1.0 Output current which output voltage becomes VOUT after gradually increasing output current. VIN1 input voltage which output voltage becomes VOUT after gradually decreasing input voltage. Temperature change ratio output voltage [mV/°C] calculated using following equation. VOUT [mV/ °C]*1 VOUT(S) VOUT [ppm/ °C]*3 1000 VOUT Temperature change ratio output voltage Specified output voltage Output voltage temperature coefficient output current supplied least this value. restrictions package power dissipation, this value satisfied. Attention should paid power dissipation package when load large. This specification guaranteed design. Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Test Circuits
VOUT
ON/OFF power
Figure
VOUT
ON/OFF
Figure
VOUT
ON/OFF power
Figure
VOUT
ON/OFF
Figure
ON/OFF power VOUT
Figure
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Standard Circuit
INPUT CIN*1 VOUT CL*2 OUTPUT
ON/OFF
Single
capacitor used stabilize input. ceramic capacitor more used provided that ceramic capacitor more used product whose output voltage less.
Figure Caution above connection diagram constant will guarantees successful operation. Perform through evaluation using actual application constant.
Application Conditions
Input capacitor (CIN): Input series resistance (RIN): Output capacitor (CL): Equivalent Series Resistance (ESR) output capacitor: 0.47 more less more*1 less
product whose output voltage less will used, more.
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Technical Terms
Dropout Voltage Regulator dropout voltage regulator voltage regulator whose dropout voltage built-in on-resistance transistor. means Equivalent Series Resistance capacitor small. ceramics output capacitor (CL) used S-L2980 Series. capacitor whose less used. Output Voltage (VOUT) accuracy output voltage ensured under specified conditions fixed input voltage*1, fixed output current, fixed temperature. Differs depending upon product. Caution above conditions change, output voltage value vary exceed accuracy range output voltage. Refer Electrical Characteristics" Typical Characteristics" details.
VOUT1 Line Regulation VOUT Indicates dependency output voltage input voltage. That value shows much output voltage changes change input voltage with output current remaining unchanged.
Load Regulation (VOUT2) Indicates dependency output voltage output current. That value shows much output voltage changes change output current with input voltage remaining unchanged. Dropout Voltage (Vdrop) Indicates difference between input voltage (VIN1) output voltage when output voltage falls output voltage (VOUT(E)) gradually decreasing input voltage.
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Temperature Coefficient Output Voltage
VOUT VOUT shadowed area Figure range where VOUT varies operating temperature range when temperature coefficient output voltage ±100 ppm/°C.
Example S-L2980A28 Typ. product VOUT
+0.28
VOUT(E)*1 -0.28
[°C]
VOUT(E) mesured value output voltage
Figure
Temperature change ratio output voltage [mV/°C] calculated using following equation. VOUT [mV/ °C]*1 VOUT(S) VOUT [ppm/ °C]*3 1000 VOUT
Temperature change ratio output voltage Specified output voltage Output voltage temperature coefficient
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Operation
Basic Operation Figure shows block diagram S-L2980 Series. error amplifier compares reference voltage (Vref) with Vfb, which output voltage resistance-divided feedback resistors supplies output transistor with gate voltage necessary ensure certain output voltage free fluctuations input voltage temperature.
Current source Error amplifier Vref VOUT
Reference voltage circuit
Parasitic diode
Figure Output Transistor
S-L2980 Series uses on-resistance P-channel output transistor. sure that VOUT does exceed VIN+0.3 prevent voltage regulator from being broken inverse current flowing from VOUT through parasitic diode pin.
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Shutdown (ON/OFF Pin)
This starts stops regulator. When ON/OFF turned shutdown level, operation internal circuits stops, built-in P-channel output transistor between VOUT turned make current consumption drastically reduced. VOUT becomes level internally divided resistance several hundreds between VOUT pin. Furthermore, structure ON/OFF shown Figure Since ON/OFF neither pulled down pulled internally, floating state. addition, please note that current consumption increases voltage VIN-0.3 applied ON/OFF pin. When ON/OFF used, connect case logic type case "B".
Table
Logic type ON/OFF "H": Power "L": Power "H": Power "L": Power
Internal circuit Operating Stop Stop Operating
VOUT voltage value level level value
Current consumption ISS1 ISS2 ISS2 ISS1
ON/OFF
Figure
Selection Output Capacitor (CL)
S-L2980 series needs output capacitor between VOUT phase compensation. ceramic capacitor whose capacitance more*1 used. When (Organic Semiconductor) capacitor, tantalum capacitor aluminum electrolyte capacitor used, capacitance should more should less. value output overshoot undershoot transient response varies depending value output capacitor. Sufficient evaluation including temperature dependency actual environment needed.
product whose output voltage less will used, capacitance should more.
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Precautions
Wiring patterns pin, VOUT should designed hold impedance. When mounting output capacitor between VOUT pins (CL) capacitor stabilizing input between pins (CIN), distance from capacitors these pins should short possible. Note that output voltage increase when series regulator used load current (1.0 less). Generally series regulator cause oscillation, depending selection external parts. following conditions recommended this However, sure perform sufficient evaluation under actual usage conditions selection, including evaluation temperature characteristics.
Input capacitor (CIN): Output capacitor (CL): Equivalent Series Resistance (ESR): Input series resistance (RIN): 0.47 more more*1 less less
product whose output voltage will less used, capacitance should more. voltage regulator oscillate when impedance power supply high input capacitor small connected. application condition input voltage, output voltage load current should exceed package power dissipation. apply electrostatic discharge this that exceeds performance ratings built-in electrostatic protection circuit. determining output current attention should paid output current value specified Table Electrical Characteristics" footnote claims responsibility disputes arising connection with infringement products including this upon patents owned third party.
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Typical Characteristics
Output voltage versus Output current (When load current increases)
S-L2980A15 (Ta=25°C)
VOUT IOUT [mA] VIN=1.8 VOUT
S-L2980A30 (Ta=25°C)
IOUT [mA] VIN=3.3
S-L2980A50 (Ta=25°C)
VOUT IOUT [mA] VIN=5.3
Remark determining output current, attention should paid followings.
minimum output current value footnote Table Electrical Characteristics". package power dissipation
Maximum output current versus Input voltage
S-L2980A15 (Short-circuit protection included)
IOUT max. [mA] IOUT max. [mA] Ta=-40°C
S-L2980A30 (Short-circuit protection included)
Ta=-40°C 25°C 85°C
25°C
85°C
S-L2980A50 (Short circuit protection included)
IOUT max. [mA] Ta=-40°C
25°C
85°C
Remark determining output current, attention should paid followings.
minimum output current value footnote Table Electrical Characteristics". package power dissipation
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Output voltage versus Input voltage
S-L2980A15 (Ta=25°C)
1.60 1.55 VOUT 1.50 1.45 1.40 IOUT=1.0
S-L2980A30 (Ta=25°C)
3.15 3.10 VOUT 3.05 3.00 2.95 2.90 2.85 IOUT=1.0
S-L2980A50 (Ta=25°C)
5.20 5.10 VOUT 5.00 4.90 4.80 IOUT=1.0
Dropout voltage versus Output voltage
S-L2980A15
85°C
S-L2980A30
85°C 25°C
Vdrop [mV]
Vdrop [mV]
25°C
Ta=-40°C
Ta=-40°C
IOUT [mA]
IOUT [mA]
S-L2980A50
Ta=-40°C 85°C 25°C
Vdrop [mV]
IOUT [mA]
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Output voltage versus Ambient Temperature
S-L2980A15
1.53 1.52
S-L2980A30
3.06 3.04 3.02
VOUT
1.51 1.50 1.49 1.48 1.47
VOUT
3.00 2.98 2.96 2.94
[°C]
[°C]
S-L2980A50
5.10 5.05
VOUT
5.00 4.95 4.90
[°C]
Line regulation versus Ambient Temperature
Load regulation versus Ambient Temperature
S-L2980Axx
S-L2980Axx
CIN=4.7 CL=10
CIN=4.7 CL=10
VOUT1 [mV]
VOUT2 [mV]
S-L2980A30 S-L2980A15 S-L2980A50
S-L2980A50 S-L2980A30 S-L2980A15
[°C]
[°C]
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Threshold voltage ON/OFF versus Input voltage
S-L2980A15 RL=100 CIN=4.7 CL=10
85°C 25°C Ta=-40°C
85°C 25°C
Ta=-40°C
Current consumption versus Input voltage
S-L2980A15
S-L2980A30
ISS1
ISS1
Ta=-40°C
25°C
85°C
Ta=-40°C
25°C 85°C
S-L2980A50
25°C 85°C
ISS1
Ta=-40°C
Ripple rejection
S-L2980A30 (Ta=25°C)
VIN=4.0 CL=2.2
S-L2980A50 (Ta=25°C)
VIN=6.0 CL=2.2
Ripple Rejection [dB]
IOUT
Ripple Rejection [dB]
IOUT
Frequency [Hz]
Frequency [Hz]
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
Reference Data
Transient Response Characteristics (S-L2980A30MC, Typical data, Ta=25°C)
Input voltage Load current Overshoot Output voltage Undershoot
1-1. Power Source Fluctuation
Overshoot
VIN, VON/OFF=4.0 IOUT=1.0
Undershoot VIN, VON/OFF=5.04.0 IOUT=1.0
3.10
3.10
VOUT
VOUT[V]
VIN[V]
3.05 VOUT CL=2.2
VOUT[V]
3.05 CL=2.2
TIME div.)
Overshoot
TIME div.)
Undershoot VIN, VON/OFF=5.04.0 IOUT=50
3.10 VOUT CL=2.2
VIN, VON/OFF=4.05.0 IOUT=50
3.10
VOUT[V]
VIN[V]
VOUT[V]
3.05 VOUT CL=2.2
3.05
TIME div.)
TIME div.)
Seiko Instruments Inc.
VIN[V]
VIN[V]
HIGH RIPPLE-REJECTION DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series
1-2. Load Fluctuation
Overshoot
VIN, VON/OFF=4.0 IOUT=50 mA1.0
IOUT 3.10
Undershoot VIN, VON/OFF=4.0 IOUT=1.0 mA50
3.10
IOUT VOUT
VOUT[V]
IOUT[mA]
3.05 VOUT CL=2.2
3.05 CL=2.2
TIME div.)
TIME div.)
1-3. ON/OFF Switching (S-L2980A50MC, Typical data, Ta=25°C)
Overshoot
Undershoot
VIN=6.0 RL=5.0 CL=2.2 VON/OFF VOUT
VIN=6.0 RL=5.0 CL=2.2
VON/OFF VOUT
VOUT VON/OFF
VON/OFF
VOUT
TIME div.)
TIME div.)
IOUT[mA]
VOUT[V]
Seiko Instruments Inc.
2.9±0.2 1.9±0.2
0.16 -0.06
+0.1
0.95±0.1 0.4±0.1
MP005-A-P-SD-1.2
TITLE SCALE UNIT
SOT235-A-PKG Dimensions MP005-A-P-SD-1.2
Seiko Instruments Inc.
4.0±0.1(10 pitches:40.0±0.2)
+0.1
2.0±0.05
0.25±0.1
+0.2
4.0±0.1 1.4±0.2
3.2±0.2
Feed direction
MP005-A-C-SD-2.1
TITLE SCALE UNIT
SOT235-A-Carrier Tape MP005-A-C-SD-2.1
Seiko Instruments Inc.
12.5max.
Enlarged drawing central part
9.0±0.3
(60°)
(60°)
MP005-A-R-SD-1.1
TITLE SCALE UNIT
SOT235-A-Reel MP005-A-R-SD-1.1
QTY. 3,000
Seiko Instruments Inc.
information described herein subject change without notice. Seiko Instruments Inc. responsible problems caused circuits diagrams described herein whose related industrial properties, patents, other rights belong third parties. application circuit examples explain typical applications products, guarantee success specific mass-production design. When products described herein regulated products subject Wassenaar Arrangement other agreements, they exported without authorization from appropriate governmental authority. information described herein other purposes and/or reproduction copying without express permission Seiko Instruments Inc. strictly prohibited. products described herein cannot used part device equipment affecting human body, such exercise equipment, medical equipment, security systems, equipment, apparatus installed airplanes other vehicles, without prior written permission Seiko Instruments Inc. Although Seiko Instruments Inc. exerts greatest possible effort ensure high quality reliability, failure malfunction semiconductor products occur. user these products should therefore give thorough consideration safety design, including redundancy, fire-prevention measures, malfunction prevention, prevent accidents, fires, community damage that ensue.

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