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AP4305K

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER

BCD Semiconductor 

Data Sheet

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4305

Electrical Characteristics

(VCC=5V, TA=25oC, unless otherwise specified.)

Parameter

Symbol

Conditions

Min Typ Max Unit

TOTAL CURRENT CONSUMPTION

Total Supply Current

Not Including the Output Sinking

ICC

TA=25oC

Current

-40oC<TA<105oC

VOLTAGE CONTROL LOOP

0.5

1

mA

0.6

Transconduction Gain (VCTRL).

Sink Current Only

Voltage Control Loop Reference

Input Bias Current (VCTRL)

CURRENT CONTROL LOOP

Gmv

VREF

IIBV

TA=25oC

-40oC<TA< 105oC

TA=25oC

-40oC<TA< 105oC

TA=25oC

-40oC<TA< 105oC

1

3.5

2.5

mA/mV

1.204 1.21 1.216

V

1.186

1.234

50

nA

100

Transconduction Gain (ICTRL).

Sink Current Only

Gmi TA=25oC

1.5

7

mA/mV

Current Control Loop Reference

IOUT=2.5mA, TA=25oC

VSENSE

198

200

202

mV

IOUT=2.5mA, -40oC<TA< 105oC 192

208

TA=25oC

Current Out of Pin ICTRL at 200mV IIBI

-40oC<TA< 105oC

25

µA

50

OUTPUT STAGE

Low Output Voltage at 10mA

Sinking Current

VOL TA=25oC

200

mV

Output Short Circuit Current.

Output to VCC, Sink Current Only

TA=25oC

IOS

-40oC<TA< 105oC

27

50

mA

35

Apr. 2007 Rev. 1. 5

BCD Semiconductor Manufacturing Limited

5

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