MAS3504D datasheet(20/40 Pages) MICRONAS

20 / 40 page

MAS 3504D

Micronas

DC/DC operation control

bit[19:17]

not used, set to 0

bit[16:14,9] output voltage / internal voltage monitor

(PUP signal becomes inactive when output

is below the monitoring voltage)

8000

DCCF

Setting

bit [16:14] and [9]

DC/DC-Converter

Output Voltage [V]

Internal Monitor

Voltage [V]

1 11

1 10

1 01

1 00

0 11

0 10

0 01

0 00

1 11

1 10

1 01

1 00

0 11

0 10

0 01

0 00

3.57

3.46

3.35

3.25

3.14

3.04

2.94

2.83

2.73

2.63

2.52

2.42

2.32

2.22

2.12

2.02

3.38

3.27

3.16

3.06

2.95

2.85

2.75

2.64

2.54

2.44

2.33

2.23

2.13

2.03

1.93

1.82

bit[13:10,8] DC/DC-converter switching frequency fSW [kHz]

Setting

bit [13:10]

Frequency/kHz

bit [8] = 0

Frequency/kHz

bit [8] = 1

10 11

10 10

10 01

10 00

01 11

01 10

01 01

01 00

00 11

00 10

00 01

00 00

156

160

163

167

171

175

179

184

188

194

199

204

210

216

223

230

128

245

253

263

272

283

295

307

320

335

351

368

387

409

433

460

bit[7:0]

not used, set to 0

Table 3–8: Detailed Register Usage, continued

Address

(hex)

Mode

Function

Default

(hex)

Name

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