LF12 STMICROELECTRONICS [STMicroelectronics], LF12 Datasheet

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LF12

Manufacturer Part Number
LF12
Description
VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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DESCRIPTION
The LF00 series are very Low Drop regulators
available
ISOWATT220, DPAK and PPAK package and in
a wide range of output voltages.
The very Low Drop voltage (0.45V) and the very
low quiescent current make them particularly
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
SCHEMATIC DIAGRAM
July 1999
VERY LOW DROPOUT VOLTAGE (0.45V)
VERY LOW QUIESCENT CURRENT
(TYP. 50 A IN OFF MODE, 500 A IN ON
MODE)
OUTPUT CURRENT UP TO 500 mA
LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
OUTPUT VOLTAGES OF 1.25; 1.5; 1.8; 2.5;
2.7; 3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5;
9; 12V
INTERNAL CURRENT AND THERMAL LIMIT
ONLY 2.2 F FOR STABILITY
AVAILABLEIN
SELECTION AT 25
SUPPLY VOLTAGE REJECTION: 80 db (TYP.)
TEMPERATURE RANGE: -40 TO 125
in
1% (AB) OR
PENTAWATT,
o
C
VOLTAGE REGULATORS WITH INHIBIT
2% (C)
o
TO-220,
C
In the 5 pins configuration (PENTAWATT and
PPAK) a Shutdown Logic Control function is
available (pin 2, TTL compatible). This means
that when the device is used as a local regulator,
it is
standby, decreasing the total power consumption.
In the three terminal configuration the device has
the same electrical performance, but is fixed in
TO-220
possible to put a part of the board in
PPAK
VERY LOW DROP
ISOWATT220
PENTAWATT
LF00AB/C
SERIES
DPAK
1/32

Related parts for LF12

LF12 Summary of contents

Page 1

VOLTAGE REGULATORS WITH INHIBIT VERY LOW DROPOUT VOLTAGE (0.45V) VERY LOW QUIESCENT CURRENT (TYP OFF MODE, 500 MODE) OUTPUT CURRENT UP TO 500 mA LOGIC-CONTROLLED ELECTRONIC SHUTDOWN OUTPUT VOLTAGES OF 1.25; 1.5; 1.8; 2.5; ...

Page 2

LF00AB/C ABSOLUTE MAXIMUM RATINGS Symbol V DC Input Voltage i I Output Current o P Power Dissipation tot T Storage Temperature Range Operating Junction Temperature Range op (*) For 18 < V < 40 the regulator is ...

Page 3

... ORDERING NUMBERS Type PENTAWATT TO-220 LF12C (*) LF12CV5V LF12CV LF12AB (*) LF12ABV5V LF12ABV LF15C (*) LF15CV5V LF15CV LF15AB (*) LF15ABV5V LF15ABV LF18C LF18C5V LF18CV LF18AB LF18AB5V LF18ABV LF25C LF25CV5V LF25CV LF25AB LF25ABV5V LF25ABV LF27C LF27CV5V LF27CV LF27AB LF27ABV5V LF27ABV LF30C LF30CV5V LF30CV LF30AB LF30ABV5V LF30ABV ...

Page 4

... Dropout Voltage d V Control Input Logic Low il V Control Input Logic High ih I Control Input Current i C Output Bypass Capacitance O ELECTRICAL CHARACTERISTICS FOR LF12C (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i ...

Page 5

ELECTRICAL CHARACTERISTICS FOR LF15AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 6

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF18AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 7

ELECTRICAL CHARACTERISTICS FOR LF25AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 8

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF27AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 9

ELECTRICAL CHARACTERISTICS FOR LF30AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 10

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF33AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 11

ELECTRICAL CHARACTERISTICS FOR LF35AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 12

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF40AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 13

ELECTRICAL CHARACTERISTICS FOR LF45AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 14

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF47AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 15

ELECTRICAL CHARACTERISTICS FOR LF50AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 16

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF52AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 17

ELECTRICAL CHARACTERISTICS FOR LF55AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 18

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF60AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 19

ELECTRICAL CHARACTERISTICS FOR LF80AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 20

LF00AB/C ELECTRICAL CHARACTERISTICS FOR LF85AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ...

Page 21

ELECTRICAL CHARACTERISTICS FOR LF90AB (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit o ut ...

Page 22

... Dropout Voltage d V Control Input Logic Low il V Control Input Logic High ih Control Input Current Output Bypass Capacitance O ELECTRICAL CHARACTERISTICS FOR LF120C (refer to the test circuits 0 2.2 F unless otherwise specified Symbol Parameter V Output Voltage o V Operating Input Voltage i ...

Page 23

TYPICAL PERFORMANCE CHARACTERISTICS Dropout Voltage vs Output Current Supply Current vs Input Voltage Short Circuit Current vs Input Voltage Dropout Voltage vs Temperature Supply Current vs Input Voltage Supply Current vs Temperature LF00AB/C 23/32 ...

Page 24

LF00AB/C Logic Controlled Precision 3.3/5.0V Selectable Output Sequential Multi-Output Supply 24/32 ...

Page 25

Multiple Supply With ON/OFF Toggle Switch Basic Inhibit Functions LF00AB/C 25/32 ...

Page 26

LF00AB/C Delayed Turn-On Low Voltage Bulb Blinker 26/32 ...

Page 27

PENTAWATT (VERTICAL) MECHANICAL DATA mm DIM. MIN. TYP 2.4 D1 1.2 E 0. 3.2 3.4 G1 6.6 6 10.05 L 17.85 L1 15.75 L2 21.4 L3 22.5 L5 2.6 L6 ...

Page 28

LF00AB/C TO-220 MECHANICAL DATA DIM. MIN. TYP 2.4 D1 1.2 E 0.35 F 0.61 F2 1.15 G 4.95 5. 10.05 L2 16.2 L3 26.3 26.7 L5 2 Dia. 3.65 28/32 mm ...

Page 29

ISOWATT220 MECHANICAL DATA mm DIM. MIN. TYP. A 4.4 B 2.5 D 2.5 E 0.4 F 0.75 F1 1.15 F2 1.15 G 4. 28.6 L4 9 Ø ...

Page 30

LF00AB/C TO-252 (DPAK) MECHANICAL DATA DIM. MIN. TYP. A 2.2 A1 0.9 A2 0.03 B 0.64 B2 5.2 C 0. 6.4 G 4 0.6 DETAIL ”A” L2 30/32 mm MAX. MIN. ...

Page 31

PPAK MECHANICAL DATA mm DIM. MIN. TYP. A 2.2 A1 0.9 A2 0.03 B 0.4 B2 5.2 C 0. 6.4 G 4.9 G1 2.38 H 9.35 L2 0.8 L4 0.6 inch MAX. MIN. TYP. 2.4 ...

Page 32

LF00AB/C Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its ...

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