APW7077 데이터 시트보기 (PDF) - Anpec Electronics

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APW7077

PWM Step-Up DC-DC Converter

Anpec Electronics 

APW7077/A

Typical Characteristics (Cont.)

Load Transient Waveform

Load Transient Waveform

VIN=3.3V, VOUT=12V, IOUT=5mA->50mA->5mA

L=10µH, COUT=4.7µF+0.1µF, Cff=560pF

CH1:VOUT, 100mV/DIV, Time=1ms/DIV

CH4:IOUT, 20mA/DIV

VIN=3.3V, VOUT=5V, IOUT=10mA->300mA->10mA

L=10µH, COUT=22µF+22µF+0.1µF, Cff=33pF

CH1:VOUT, 100mV/DIV, Time=1ms/DIV

CH4:IOUT, 200mA/DIV

EXT Driving Current vs. Supply Voltage

160

140

120

100

ISINK

(EXT=0.4V)

80

ISOURCE

60

(EXT=VDD-0.4V)

40

20

0

0

1

2

3

4

5

6

Supply Voltage (V)

EXT Rds,on vs. Supply Voltage

100

10

EXT to VDD

EXT to GND

1

0

1

2

3

4

5

6

Supply Voltage (V)

Copyright © ANPEC Electronics Corp.

9

Rev. A.4 - Sep, 2005

www.anpec.com.tw

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