ADP3152 datasheet(5/12 Pages) AD

部件名	ADP3152

功能描述	5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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OUTPUT CURRENT – Amps

100

65

1.4

2.8

14.0

4.2

5.6

7.0

9.8 11.2 12.6

8.4

95

85

80

75

70

90

VOUT = +2.0V

VOUT = +2.8V

VOUT = +3.5V

SEE FIGURE 2

Figure 4. Efficiency vs. Output Current

2

500ns/DIV

1

PRIMARY

N-DRIVE

DRIVER OUTPUT

SECONDARY

N-DRIVE

DRIVER OUTPUT

DRIVE 1 AND 2 = 5V/DIV

VOUT = +3.5V, IOUT = 10A

SEE FIGURE 2

Figure 7. Gate Switching Waveforms

OUTPUT CURRENT

1A TO 14A

OUTPUT VOLTAGE

20mV/DIV

Figure 10. Transient Response,

1A–14 A of Figure 2 Circuit

TIMING CAPACITOR – pF

50

100

800

200

300

400

500

600

700

450

400

0

200

150

100

50

350

250

300

Figure 5. Frequency vs. Timing

Capacitor

2

100ns/DIV

SEE FIGURE 2

Figure 8. Driver Transition Waveforms

3

4

10ms

REGULATOR

OUTPUT VOLTAGE

1V/DIV

VCC VOLTAGE

5V/DIV

Figure 11. Power-On Start-Up

Waveforms

OPERATING FREQUENCY – kHz

45

397

58

83

134

45

40

0

20

15

10

5

35

25

30

Qn + Qn = 100nC

Figure 6. Gate Charge Supply Cur-

rent vs. Operating Frequency

10 s/DIV

OUTPUT CURRENT

14A TO 1A

OUTPUT VOLTAGE

20mV/DIV

Figure 9. Transient Response, 14 A–1A

of Figure 2 Circuit

OUTPUT ACCURACY – %

15

0

25

20

10

5

TA = +25 C

SEE FIGURE 13

Figure 12. Output Accuracy

Distribution, VOUT = 2.8 V

Typical Performance Characteristics–ADP3152

–5–

REV. 0

类似零件编号 - ADP3152

制造商	部件名	数据表	功能描述
Analog Devices	ADP3153	164Kb / 12P	5-Bit Programmable Dual Power Supply Controller for Pentium II Processor REV. 0
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	ADP3154JRU	187Kb / 12P	5-Bit Programmable Dual Power Supply Controller for Pentium III Processors REV. A

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