ADP3160JR datasheet(5/16 Pages) AD

Part #	ADP3160JR

Description	5-Bit Programmable 2-Phase Synchronous Buck Controller

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REV. B

ADP3160/ADP3167

–5–

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

VCC

REF

GND

CT

COMP

PWM1

PWM2

PWRGD

CS–

CS+

FB

VID4

VID3

VID2

VID1

VID0

+

1 F

12V

100nF

100

100nF

ADP3160/ADP3167

5-BIT CODE

1.2V

VFB

AD820

20k

Figure 1. Closed-Loop Output Voltage Accuracy

Test Circuit

CT CAPACITOR – pF

10000

1000

100

0

100

200

300

400

500

Figure 2. Oscillator Frequency vs. Timing Capacitor

OSCILLATOR FREQUENCY – kHz

4.10

3.90

3.85

0

2000

1000

3.95

4.00

4.05

250

500

750

1250

1500

1750

Figure 3. Supply Current vs. Oscillator Frequency

OUTPUT ACCURACY – % of Nominal

16

4

0

–1

1

0

12

8

TA = 25 C

VOUT = 1.6V

Figure 4. Output Accuracy Distribution

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ADP3160JR Datasheet(PDF) 5 Page - Analog Devices

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