ADP3166JRU-REEL 데이터 시트보기 (PDF) - Analog Devices

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ADP3166JRU-REEL

5-Bit Programmable 2-, 3-, 4-Phase Synchronous Buck Controller

Analog Devices 

ADP3166

1 VID4

VCC 28

2 VID3

PWM1 27

+

1␮F

5-BIT CODE

3 VID2

4 VID1

PWM2 26

PWM3 25

5 VID0

PWM4 24

6 CROWBAR SW1 23

7 FBRTN

SW2 22

8 FB

SW3 21

1k⍀

9 COMP

10 PWRGD

SW4 20

GND 19

1.25V

11 EN

12 DELAY

4.7nF 250k⍀ 13 RT

CSCOMP 18

CSSUM 17

CSREF 16

20k⍀

14 RAMPADJ

ILIMIT 15

250k⍀

12V

100nF

100nF

Test Circuit 1. Closed-Loop Output Voltage Accuracy

12V

39k⍀

1k⍀

+

1V –

ADP3166

VCC

28

CSCOMP

18

100nF

CSSUM

–

17

+

CSREF

16

GND

19

VOS =

CSCOMP – 1V

40

Test Circuit 2. Positioning Amplifier VOS Test Circuit

ADP3166

ADP3166

VCC

12V

28

10k⍀

FB

8

COMP

9

200k⍀

+

80mV –

+

1V –

200k⍀ CSCOMP

18

CSSUM

–

17

+

CSREF

16

GND

19

⌬VFB = FB – VVID

Test Circuit 3. Positioning Voltage Test Circuit

REV. 0

–5–

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