RT9238 Просмотр технического описания (PDF) - Richtek Technology

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RT9238

VRM8.5 PWM and Triple Linear Power System Controller

Richtek Technology 

Preliminary

Typical Operating Charateristics

RT9238

Frequency vs. VCC

IOCSET1 vs. VCC

205

205

TA = 25°C

TA = 25°C

203

203

201

201

199

199

197

197

195

10

1.00

0.60

11

12

13

14

VCC (Volt)

VOUT1 Line Regulation

TA = 25°C

195

10

1

0.6

11

12

13

14

VCC (Volt)

VOUT2,3,4 Line Regulation

TA = 25°C

0.20

0.2

-0.20

-0.2

-0.60

-0.6

-1.00

10

11

12

13

14

VCC (Volt)

Frequency vs. Temperature

205

VCC = 12V

203

201

199

197

195

-40 -20

0 20 40 60 80 100 120

Temperature (°C)

-1

10

300

275

11

12

13

14

VCC(Volt)

IOCSET1 vs. Temperature

VCC = 12V

250

225

200

175

150

-40 -20

0 20 40 60 80 100 120

Temperature (°C)

DS9238-01 July 2001

www.richtek-ic.com.tw

7

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