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ISL62391IRTZ Datasheet(PDF) 9 Page - Intersil Corporation

Part # ISL62391IRTZ
Description  High-Efficiency, Triple-Output System Power Supply Controller for Notebook Computers
PDF  20 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL62391IRTZ Datasheet(HTML) 9 Page - Intersil Corporation

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FN6666.4
December 22, 2008
Typical Performance Curves
FIGURE 5. CHANNEL 1 EFFICIENCY AT VO =3.3V, DEM
OPERATION. HIGH-SIDE 1xIRF7821,
rDS(ON) =9.1mΩ; LOW-SIDE 1xIRF7832,
rDS(ON) =4mΩ; L = 4.7µH, DCR = 14.3mΩ; CCM
FSW = 270kHz
FIGURE 6. CHANNEL 2 EFFICIENCY AT VO =5V, DEM
OPERATION. HIGH-SIDE 1xIRF7821,
rDS(ON) =9.1mΩ; LOW-SIDE 1xIRF7832,
rDS(ON) =4mΩ; L = 4.7µH, DCR = 14.3mΩ; CCM
FSW = 330kHz
FIGURE 7. POWER-ON, VIN = 12V, LOAD = 5A, VO =3.3V
FIGURE 8. POWER-OFF, VIN = 12V, IO =5A, VO =3.3V
FIGURE 9. ENABLE CONTROL, EN1 = HIGH, VIN = 12V,
VO = 3.3V, IO =5A
FIGURE 10. ENABLE CONTROL, EN1 = LOW, VIN = 12V,
VO = 3.3V, IO =5A
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0.10
1.00
10.00
IOUT (A)
VIN = 7V
VIN = 12V
VIN = 19V
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0.01
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1.00
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IOUT (A)
VIN = 7V
VIN = 12V
VIN = 19V
VO1
FB1
PGOOD
PHASE1
VO1
FB1
PGOOD
PHASE1
VO1
FB1
PGOOD
EN1
VO1
FB1
PGOOD
EN1
ISL62391, ISL62392



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