KF35 STMicroelectronics, KF35 Datasheet

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KF35

Manufacturer Part Number
KF35
Description
VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
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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KF35 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

... ORDERING NUMBERS T ype KF12 (*) KF12BD KF15 (*) KF15BD KF25 KF25BD KF27 KF27BD KF30 KF30BD KF33 KF33BD KF35 (*) KF35BD KF40 KF40BD KF45 (*) KF45BD KF47 KF47BD KF50 KF50BD KF52 KF52BD KF55 (*) KF55BD KF60 KF60BD KF80 KF80BD KF85 KF85BD KF120 KF120BD (*) Available on request TEST CIRCUITS ...

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 ...

Page 5

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 ...

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... 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 V Line Regulation o V Load Regulation o I Quiescent Current d SVR Supply Voltage Rejection eN Output Noise Voltage ...

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 ...

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 ...

Page 11

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 ...

Page 12

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. ...

Page 16

... 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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