ADP3161 datasheet(4/12 Pages) AD

Numer części	ADP3161

Szczegółowy opis	4-Bit Programmable 2-Phase Synchronous Buck Controller

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–4–

REV. 0

ADP3161

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

NC

VID3

VID2

VID1

VID0

ADP3161

4-BIT CODE

100

1 F

100nF

1.2V

12V

100nF

VFB

+

AD820

NC = NO CONNECT

TPC 1. Closed-Loop Output Voltage Accuracy Test Circuit

CT CAPACITOR – pF

10000

1000

100

0

100

200

300

400

500

TPC 2. Oscillator Frequency vs. Timing Capacitor

OUT

+

PWM2

PWM1

IL2

IOUT

IL1

5V OR 12V

IL2

IL1

5V

PWM1

PWM2

5V

OR

12V

ADP3161

2-PHASE

SYNCHRONOUS

BUCK

CONTROLLER

ADP3412

SYNCHRONOUS

DRIVER

ADP3412

SYNCHRONOUS

DRIVER

12V

TPC 5. 2-Phase CPU Supply System Level Block Diagram

–Typical Performance Characteristics

OSCILLATOR FREQUENCY – kHz

4.10

3.90

3.85

0

2000

1000

3.95

4.00

4.05

250

500

750

1250

1500

1750

TPC 3. Supply Current vs. Oscillator Frequency

OUTPUT ACCURACY – % OF NOMINAL

30

5

0

–0.5

0.5

0

25

10

TA = 25 C

VOUT = 1.6V

20

15

TPC 4. Output Accuracy Distribution

Podobny numer części - ADP3161

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	ADP3160	292Kb / 16P	5-Bit Programmable 2-Phase Synchronous Buck Controller REV. B
	ADP3160JR	292Kb / 16P	5-Bit Programmable 2-Phase Synchronous Buck Controller REV. B
	ADP3162	151Kb / 12P	5-Bit Programmable 2-Phase Synchronous Buck Controller REV. A
	ADP3162JR	151Kb / 12P	5-Bit Programmable 2-Phase Synchronous Buck Controller REV. A
	ADP3163	138Kb / 16P	5-Bit Programmable 2-/3-Phase Synchronous Buck Controller REV. 0

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Podobny opis - ADP3161

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	ADP3198	1Mb / 32P	8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller REV. A
	ADP3192A	1Mb / 32P	8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller REV. 0
	ADP3168	947Kb / 24P	6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller REV. B
	ADP3188	956Kb / 28P	6-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller REV. A
	ADP3191	842Kb / 28P	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller REV. 0
ON Semiconductor	ADP3196	364Kb / 18P	6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller January 2008 ??Rev. 1
Fairchild Semiconductor	FAN5031	424Kb / 3P	8-Bit Programmable, 2 to 4 Phase, Synchronous Buck Controller
Analog Devices	ADP3190	832Kb / 28P	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller REV. 0
	ADP3192	1Mb / 32P	8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller REV. 0
	ADP3194	649Kb / 32P	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller

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