ISL6244 Просмотр технического описания (PDF) - Intersil

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ISL6244

Multi-Phase PWM Controller

Intersil 

Typical Operating Performance

ISL6244

1.650

Vo+ (AMD SPEC)

1.600

1.550

1.500

Vo- (AMD SPEC)

1.450

TARGET

VBAT 8.4V

1.400

0

20

40

60

OUTPUT CURRENT (A)

FIGURE 7. ISL6244 DROOP: VBAT = 8.4V

100

90

80

70

60

Vbat = 8.4

Vbat = 10.8

Vbat = 14.4

Vbat = 19

Vbat = 21

50

0

10

20

30

40

50

60

OUTPUT CURRENT (A)

FIGURE 9. ISL6244 EFFICIENCY vs LOAD

FIGURE 8. FOUR PHASE CURRENT BALANCE @ 52A

1.650

Vo+ (AMD SPEC)

1.600

1.550

1.500

Vo- (AMD SPEC)

1.450

TARGET

VBAT 21V

1.400

0

20

40

60

OUTPUT CURRENT (A)

FIGURE 10. ISL6244 DROOP: VBAT = 21V

6

FN9106.3

December 28, 2004

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