KF00 datasheet(4/17 Pages) STMICROELECTRONICS

Part #	KF00

Description	VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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KF00

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ELECTRICAL CHARACTERISTICS FOR KF15 (refer to the test circuits, Tj = 25°C, CI =0.1 µF,

CO =2.2 µF unless otherwise specified.)

ELECTRICAL CHARACTERISTICS FOR KF25 (refer to the test circuits, Tj = 25°C, CI =0.1 µF,

CO =2.2 µF unless otherwise specified.)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VO

Output Voltage

IO =50 mA, VI = 3.5 V

1.47

1.5

1.53

V

IO =50 mA, VI =3.5 V, Ta = -25 to 85°C

1.44

1.56

VI

Operating Input Voltage

IO = 500 mA

2.5

20

V

IO

Output Current Limit

1

A

∆V

O

Line Regulation

VI = 2.5 to 20 V,

IO =5 mA

2

12

mV

∆V

O

Load Regulation

VI =2.8 V,

IO = 5 to 500 mA

2

50

mV

Id

Quiescent Current

VI = 2.5 to 20V, IO = 0mA

(ON MODE)

0.5

1

mA

VI = 2.8 to 20V, IO =500mA

12

VI =6 V

(OFF MODE)

50

100

µA

SVR

Supply Voltage Rejection

IO =5mA

VI =3.5 ± 1 V

f = 120 Hz

82

dB

f= 1KHz

77

f= 10 KHz

60

eN

Output Noise Voltage

B = 10 Hz to 100 KHz

50

µV

Vd

Dropout Voltage

IO = 200 mA

1

V

VIL

Control Input Logic Low

Ta = -40 to 125°C

0.8

V

VIH

Control Input Logic High

Ta = -40 to 125°C

2

V

II

Control Input Current

VI =6 V,

VC =6V

10

µA

CO

Output Bypass Capacitance ESR = 0.1 to 10

Ω

IO = 0 to 500 mA

2

10

µF

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VO

Output Voltage

IO =50 mA, VI = 4.5 V

2.45

2.5

2.55

V

IO =50 mA, VI =4.5 V, Ta = -25 to 85°C

2.4

2.6

VI

Operating Input Voltage

IO = 500 mA

20

V

IO

Output Current Limit

1

A

∆V

O

Line Regulation

VI = 3.5 to 20 V,

IO =5 mA

2

12

mV

∆V

O

Load Regulation

VI =3.8 V,

IO = 5 to 500 mA

2

50

mV

Id

Quiescent Current

VI = 3.5 to 20V, IO = 0mA

(ON MODE)

0.5

1

mA

VI = 3.8 to 20V, IO =500mA

12

VI =6 V

(OFF MODE)

50

100

µA

SVR

Supply Voltage Rejection

IO =5mA

VI =4.5 ± 1 V

f = 120 Hz

82

dB

f= 1KHz

77

f= 10 KHz

60

eN

Output Noise Voltage

B = 10 Hz to 100 KHz

50

µV

Vd

Dropout Voltage

IO = 200 mA

0.2

0.35

V

IO = 500 mA

0.4

0.7

VIL

Control Input Logic Low

Ta = -40 to 125°C

0.8

V

VIH

Control Input Logic High

Ta = -40 to 125°C

2

V

II

Control Input Current

VI =6 V,

VC =6V

10

µA

CO

Output Bypass Capacitance ESR = 0.1 to 10

Ω

IO = 0 to 500 mA

2

10

µF

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