KF50 STMicroelectronics, KF50 Datasheet

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KF50

Manufacturer Part Number
KF50
Description
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
The KF00 series are very Low Drop regulators
available in SO-8 package and in a wide range of
output voltages.
The very Low Drop voltage (0.4V) and the very
low quiescent current make them particularly
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
SCHEMATIC DIAGRAM
June 1998
VERY LOW DROPOUT VOLTAGE (0.4V)
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; 2.5; 2.7;
3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5;
12V
INTERNAL CURRENT AND THERMAL LIMIT
ONLY 2.2 F FOR STABILITY
AVAILABLE IN
SUPPLY VOLTAGE REJECTION: 70 db
(TYP.)
TEMPERATURE RANGE: -40 TO 125
2% ACCURACY AT 25
VOLTAGE REGULATORS WITH INHIBIT
o
C
o
C
A Shutdown Logic Control function is available
(pin 5, 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
allowing space and cost saving.
SO-8
VERY LOW DROP
F capacitor for stability
SERIES
DPAK
KF00
1
3
1/16

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KF50 Summary of contents

Page 1

VOLTAGE REGULATORS WITH INHIBIT VERY LOW DROPOUT VOLTAGE (0.4V) 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; 2.5; 2.7; ...

Page 2

KF00 ABSOLUTE MAXIMUM RATINGS Symb Input Voltage i I Output Current o P Power Dissipation Storage Temperature Range stg T Operating Junction Temperature Range o p THERMAL DATA Symb ol Parameter R Thermal Resistance ...

Page 3

... KF60 KF60BD KF80 KF80BD KF85 KF85BD KF120 KF120BD (*) Available on request TEST CIRCUITS SO-8 DPAK KF12BDT KF15BDT KF25BDT KF27BDT KF30BDT KF33BDT KF35BDT KF40BDT KF45BDT KF47BDT KF50BDT KF52BDT KF55BDT KF60BDT KF80BDT KF85BDT KF120BDT KF00 Ou tpu t Vo ltage 1.25 V 1.5 V 2 3 4 5.2 V 5.5 V ...

Page 4

KF00 ELECTRICAL CHARACTERISTICS FOR KF12 (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit ...

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ELECTRICAL CHARACTERISTICS FOR KF25 (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit out ...

Page 6

KF00 ELECTRICAL CHARACTERISTICS FOR KF30 (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit ...

Page 7

ELECTRICAL CHARACTERISTICS FOR KF35 (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit out ...

Page 8

KF00 ELECTRICAL CHARACTERISTICS FOR KF45 (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit ...

Page 9

... ELECTRICAL CHARACTERISTICS FOR KF50 (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit out V Line Regulation o V Load Regulation o I Quiescent Current d SVR Supply Voltage Rejection eN Output Noise Voltage ...

Page 10

KF00 ELECTRICAL CHARACTERISTICS FOR KF55 (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit ...

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ELECTRICAL CHARACTERISTICS FOR KF80B (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit out ...

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KF00 ELECTRICAL CHARACTERISTICS FOR KF120B (refer to the test circuits 0 2.2 F unless otherwise specified Symb ol Parameter V Output Voltage o V Operating Input Voltage i I Output Current Limit ...

Page 13

TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified V Dropout Voltage vs Output Current Supply Current vs Input Voltage Short Circuit Current vs Input Voltage = 3.3V) o(NOM) Dropout Voltage vs Temperature Supply Current vs Input Voltage Supply Voltage Rejection vs Input ...

Page 14

KF00 SO-8 MECHANICAL DATA DIM. MIN. TYP 0 0.65 b 0.35 b1 0. 4.8 E 5.8 e 1.27 e3 3.81 F 3 14/16 mm MAX. MIN. 1.75 0.25 ...

Page 15

TO-252 (DPAK) MECHANICAL DATA mm DIM. MIN. TYP. A 2.2 A1 0.9 A2 0.03 B 0.64 B2 5.2 C 0. 6.4 G 4.4 H 9.35 L2 0.8 L4 0.6 H DETAIL ”A” MAX. ...

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... STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics 1998 STMicroelectronics – ...

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