CM3706 데이터 시트보기 (PDF) - Champion Microelectronic

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CM3706

1.5MHz, 600mA Synchronous Step-Down Regulator

Champion Microelectronic 

CM3706

1.5MHz, 600mA Synchronous

Step-Down Regulator

Output Voltage vs Temperature

1.23

1.22

1.21 Vin=5V

1.2

Vout=1.2V

ILoad=600mA

1.19

1.18

1.17

-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90

TEMPERATURE (℃)

Pulse Skipping Mode Operation

Discontinuous Operation

SW

1V/DIV

ILo a d

20mA/DIV

Vin=3.6V

1us

Vout=1.8V

Ilo a d =1 0 .2 9 m A

Load step

Vout

2 0 m V/D IV

SW

1 V/ D IV

ILoa d

2 0 m A/ D IV

Vin =3 .6 V

Vo u t= 1 .8 V

Iloa d=22.24mA

0.2 u s

Load step

Vout

20mV/DIV

ILo a d

0.2A/DIV

Vin=5V

200us

Vout=2.5V

ILOAD=0mA TO 600mA

ILo a d

0.2A/DIV

Vin=5V

200us

Vout=2.5V

ILOAD=50mA TO 600mA

Start-Up from shutdown

Vo u t

0 .5 V/D IV

ILoa d

20 0mA/DIV

Vin=3.6 V

Vou t=1 .2 V

Iloa d =6 00 mA

0 .5 m s

Load step

Vout

20mV/DIV

ILo a d

0.2A/DIV

Vin=5V

500us

Vout=2.5V

ILOAD=100mA TO 600mA

2006/12/20Rev. 1.6

Champion Microelectronic Corporation

Page 7

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