KF52B 查看數據表（PDF） - STMicroelectronics

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KF52B

Very low drop voltage regulators with inhibit

STMicroelectronics 

KFxxB

Electrical characteristics

Table 7.

Symbol

Electrical characteristics for KF33 (refer to the test circuits, TJ = 25 °C, CI = 0.1 µF,

CO = 2.2 µF unless otherwise specified.)

Parameter

Test conditions

Min. Typ. Max. Unit

VO Output voltage

VI Operating input voltage

IO Output current limit

ΔVO Line regulation

ΔVO Load regulation

Id Quiescent current

IO = 50 mA, VI = 5.3 V

3.234 3.3 3.366

V

IO = 50 mA, VI = 5.3 V, Ta = -25 to 85°C 3.168

3.432

IO = 500 mA

20

V

1

A

VI = 4.3 to 20 V, IO = 5 mA

VI = 4.6 V, IO = 5 to 500 mA

VI = 4.3 to 20V, IO = 0mA

ON MODE

VI = 4.6 to 20V, IO=500mA

VI = 6 V

OFF MODE

f = 120 Hz

2

12 mV

2

50 mV

0.5

1

mA

12

50 100 µA

80

SVR Supply voltage rejection IO = 5 mA, VI = 5.3 ± 1 V f = 1 kHz

75

dB

f = 10 kHz

60

eN Output noise voltage

B = 10 Hz to 100 KHz

50

µV

Vd Dropout voltage

VIL Control input logic low

VIH Control input logic high

II Control input current

CO

Output bypass

capacitance

IO = 200 mA

IO = 500 mA

Ta = -40 to 125°C

Ta = -40 to 125°C

VI = 6 V, VC = 6 V

ESR = 0.1 to 10 Ω, IO = 0 to 500 mA

0.2 0.35

V

0.4 0.7

0.8

V

2

V

10

µA

2

10

µF

9/22

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