Fujitsu MB39C026 매뉴얼 - 페이지 9

{카테고리_이름} Fujitsu MB39C026에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Fujitsu MB39C026 15 페이지.

페이지 인쇄

Fujitsu ASSP Product

Power Management

(3) DC/DC Line Regulation

CH1 Test Condition:

EN1=VIN; EN2=0V

VO1=1.2V; C1=C2=4.7uF

CH1 Line Regulation

1.3

1.28

1.26

1.24

1.22

1.2

1.18

1.16

1.14

1.12

1.1

3.2

3.7

(4) Switching Waveform

CH1 Test Condition:

EN1=EN2=VIN;

VO1=1.8V; IO1=250mA; C1=C2=4.7uF

VO2=3.3V; IO2=150mA; C4=C5=1uF

VLx

5V/div

ILx

100mA/div

VO1

20mV/div

VO2

20mV/div

MB39C026 Evaluation Board

IO1=0mA

IO1=300mA

IO1=600mA

4.2

4.7

5.2

VIN Input Voltage (V)

500ns/div

CH1 Test Condition:

EN1=VIN; EN2=0V

VO1=1.8V; C1=C2=4.7uF

CH1 Line Regulation

1.9

1.88

1.86

1.84

1.82

1.8

1.78

1.76

1.74

1.72

1.7

3.2

3.7

VIN Input Voltage (V)

CH1 Test Condition:

EN1=EN2=VIN;

VO1=1.8V; IO1=20mA; C1=C2=4.7uF

VO2=3.3V; IO2=150mA; C4=C5=1uF

VLx

5V/div

ILx

100mA/div

VO1

20mV/div

VO2

20mV/div

9/14

IO1=0mA

IO1=300mA

IO1=600mA

4.2

4.7

5.2

5us/div