KIA7809API 查看數據表（PDF） - KEC

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KIA7809API

BIPOLAR LINEAR INTEGRATED CIRCUIT

KEC 

KIA7805AF/API~KIA7824AF/API

APPLICATION CIRCUIT

(1) VOLTAGE BOOST REGULATOR

(a) Voltage boost by use of zener diode

VIN

KIA78xx

VZ

*I1

VOUT = VOUT(IC) + VZ

(b) Voltage boost by use of resistor

VIN

KIA78xx

IB

VOUT = VOUT(IC) (1+

R2

R1

) + R2·IB

(c) Adjustable output regulator

VIN

2008. 2. 18

KIA78xx

-

1

+

KIA4558P

2

VOUT = VOUT(IC) (1+

R2 )

R1

Revision No : 4

VOUT

*I1 >=

VOUT (IC)

R1

*I1 => 5mA

VOUT

VOUT

15/20

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