L4931ABDT120R STMicroelectronics, L4931ABDT120R Datasheet

IC REGULATOR LDO 12V DPAK

L4931ABDT120R

Manufacturer Part Number
L4931ABDT120R
Description
IC REGULATOR LDO 12V DPAK
Manufacturer
STMicroelectronics
Datasheet

Specifications of L4931ABDT120R

Regulator Topology
Positive Fixed
Voltage - Output
12V
Voltage - Input
Up to 20V
Voltage - Dropout (typical)
0.4V @ 250mA
Number Of Regulators
1
Current - Output
250mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Other names
497-1157-2

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Part Number:
L4931ABDT120R
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Feature summary
Description
The L4931 series are very Low Drop regulators
available in TO-220, SO-8, DPAK, PPAK and TO-
92 packages and in a wide range of output
voltages.
Schematic diagram
June 2006
Very low dropout voltage (0.4V)
Very low quiescent current
(Typ. 50 µA in off mode, 600µA in on mode)
Output current up to 250 mA
Logic-controlled electronic shutdown
Output voltages of 1.5; 2.5; 2.7; 3; 3.3; 3.5; 4;
4.7; 5; 8; 12V
Internal current and thermal limit
Only 2.2µF for stability
Available in ± 1% (AB) or 2% (C) selection at
25°C
Supply voltage rejection: 70db typ. for 5V
version
Temperature range: -40 to 125°C
Very low drop voltage regulators with inhibit
Rev. 12
low quiescent current make them particularly
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
In PPAK and SO-8 packages a Shutdown Logic
Control function is available TTL compatible. This
means that when the device is used as a local
regulator, it is possible to put a part of the board in
standby, decreasing the total power consumption.
It requires only a 2.2 µF capacitor for stability
allowing space and cost saving.
The very Low Drop voltage (0.4V) and the very
PPAK
TO-220
L4931 series
DPAK
TO-92
SO-8
www.st.com
1/40
40

Related parts for L4931ABDT120R

L4931ABDT120R Summary of contents

Page 1

Feature summary ■ Very low dropout voltage (0.4V) ■ Very low quiescent current ■ (Typ. 50 µA in off mode, 600µ mode) ■ Output current up to 250 mA ■ Logic-controlled electronic shutdown ■ Output voltages of 1.5; ...

Page 2

Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

L4931 series 1 Pin configuration Figure 1. Pin connections (top view) TO-220 PPAK SO-8 DPAK PIN OUT PIN 2 = GND PIN BOTTOM VIEW TO-92 Pin configuration 3/40 ...

Page 4

Maximum ratings 2 Maximum ratings Table 1. Absolute maximum ratings Symbol V DC Input voltage I I Output current O P Power dissipation D T Storage temperature range STG T Operating junction temperature range OP Note: Absolute Maximum Ratings are ...

Page 5

L4931 series 3 Application circuits Figure 2. Test circuits Application circuits 5/40 ...

Page 6

Electrical characteristics 4 Electrical characteristics Table 3. Electrical characteristics of L4931ABxx15 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit ...

Page 7

L4931 series Table 4. Electrical characteristics of L4931Cxx15 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 8

Electrical characteristics Table 5. Electrical characteristics of L4931ABxx25 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 9

L4931 series Table 6. Electrical characteristics of L4931Cxx25 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 10

Electrical characteristics Table 7. Electrical characteristics of L4931ABxx27 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 11

L4931 series Table 8. Electrical characteristics of L4931Cxx27 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 12

Electrical characteristics Table 9. Electrical characteristics of L4931ABxx30 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 13

L4931 series Table 10. Electrical characteristics of L4931Cxx30 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 14

Electrical characteristics Table 11. Electrical characteristics of L4931ABxx33 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 15

L4931 series Table 12. Electrical characteristics of L4931Cxx33 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 16

Electrical characteristics Table 13. Electrical characteristics of L4931ABxx35 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 17

L4931 series Table 14. Electrical characteristics of L4931Cxx35 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 18

Electrical characteristics Table 15. Electrical characteristics of L4931ABxx40 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 19

L4931 series Table 16. Electrical characteristics of L4931Cxx40 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 20

Electrical characteristics Table 17. Electrical characteristics of L4931ABxx47 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 21

L4931 series Table 18. Electrical characteristics of L4931Cxx47 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 22

Electrical characteristics Table 19. Electrical characteristics of L4931ABxx50 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 23

L4931 series Table 20. Electrical characteristics of L4931Cxx50 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 24

Electrical characteristics Table 21. Electrical characteristics of L4931ABxx80 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 25

L4931 series Table 22. Electrical characteristics of L4931Cxx80 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 26

Electrical characteristics Table 23. Electrical characteristics of L4931ABxx120 (refer to the test circuits, T µ 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V ...

Page 27

L4931 series Table 24. Electrical characteristics of L4931Cxx120 (refer to the test circuits 2.2 µF unless otherwise specified). O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit out ∆V Line ...

Page 28

Typical application 5 Typical application Figure 3. Supply current vs output current Figure 5. Supply current vs input voltage Figure 7. Short circuit current vs dropout voltage 28/40 Figure 4. Dropout voltage vs temperature Figure 6. Supply current vs temperature ...

Page 29

L4931 series 6 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on ...

Page 30

Package mechanical data DIM. MIN. A 4.40 C 1. 0.49 F 0.61 F1 1.14 F2 1.14 G 4.95 G1 2 13.0 L5 2.65 L6 15.25 L7 6.2 L9 3.5 DIA. 3.75 30/40 ...

Page 31

L4931 series DIM. MIN. A 4.32 b 0.36 D 4.45 E 3.30 e 2.41 e1 1.14 L 12.7 R 2.16 S1 0.92 W 0.41 α TO-92 MECHANICAL DATA mm. TYP MAX. 4.95 0.51 4.95 3.94 2.67 1.40 15.49 2.41 1.52 ...

Page 32

Package mechanical data DIM. MIN. A 2.2 A1 0.9 A2 0.03 B 0.4 B2 5.2 C 0. 4.9 G1 2. 32/40 PPAK ...

Page 33

L4931 series DIM. MIN. A 2.2 A1 0.9 A2 0.03 B 0.64 b4 5.2 C 0. 4 (L1 0 0° DPAK MECHANICAL ...

Page 34

Package mechanical data DIM. MIN. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4. 5.80 h 0.25 L 0.40 k ddd 34/40 SO-8 MECHANICAL DATA mm. TYP MAX. 1.75 0.25 1.65 0.51 0.25 ...

Page 35

L4931 series Tape & Reel DPAK-PPAK MECHANICAL DATA DIM. MIN 12 6.80 Bo 10.40 Ko 2.55 Po 3.9 P 7.9 mm. TYP MAX. 330 13.0 13.2 22.4 6.90 7.00 10.50 10.60 2.65 ...

Page 36

Package mechanical data DIM. MIN 12 8.1 Bo 5.5 Ko 2.1 Po 3.9 P 7.9 36/40 Tape & Reel SO-8 MECHANICAL DATA mm. TYP MAX. 330 13.2 22.4 8.5 5.9 2.3 4.1 ...

Page 37

L4931 series Tape & Reel for TO-92 MECHANICAL DATA DIM. MIN 12.5 P2 5.65 F1, F2 2.44 delta H W 17.5 W0 5 15. 3 ...

Page 38

Order code 7 Order code Table 25. Order code TO-220 SO-8 L4931CV15 L4931CD15-TR (1) L4931ABV15 L4931ABD15-TR L4931CV25 L4931CD25-TR L4931ABV25 L4931ABD25-TR L4931CV27 L4931CD27-TR L4931ABV27 L4931ABD27-TR L4931CV30 L4931CD30-TR L4931ABV30 L4931ABD30-TR L4931CV33 L4931CD33-TR L4931ABV33 L4931ABD33-TR L4931CV35 L4931CD35-TR L4931ABV35 L4931ABD35-TR L4931CV40 L4931CD40-TR L4931ABV40 L4931ABD40-TR ...

Page 39

L4931 series 8 Revision history Table 26. Revision history Date Revision 21-Jun-2004 11 14-Jun-2006 12 Document updating. Order Codes has been updated and new template. Revision history Changes 39/40 ...

Page 40

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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