ISL6144 데이터 시트보기 (PDF) - Intersil

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ISL6144

High Voltage ORing MOSFET Controller

Intersil 

ISL6144

Typical Performance Curves and Waveforms (Continued)

6.000

5.875

5.750

5.625

75V

48V

10V AND 12V

5.500

5.375

5.250

-40

-20

0 20 40 60 80

TEMPERATURE (°C)

FIGURE 8. HVREF VOLTAGE

100 120

HVREF(VZ)

1V/DIV

10V/DIV

VG

VIN

10V/DIV

IIN

10A/DIV

FIGURE 9. FIRST SUPPLY START-UP

rDS(ON) = 19mΩ, QTOT = 70nC,

EXTERNAL CGS = 33nF, VTH(HS) = 55mV

IIN2

VOUT

5A/DIV

VIN2

10V/DIV

VGS2

10V/DIV

5V/DIV

rDS(ON) = 19mΩ, QTOT = 70nC,

EXTERNAL CGS = 33nF, VTH(HS) = 55mV

IIN2

VOUT

VIN2

VGS2

5A/DIV

10V/DIV

10V/DIV

5V/DIV

FIGURE 10. HIGH SPEED TURN-OFF, VIN = 48V, COMMON

LOAD IS SMPS (CLOAD = 100µF) WITH

EQUIVALENT 4A LOAD

FIGURE 11. HIGH SPEED TURN-OFF, VIN = 48V, COMMON

LOAD IS SMPS (CLOAD = 100µF) WITH

EQUIVALENT 1.3A LOAD

11

FN9131.5

October 8, 2010

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