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ISL62381 Datasheet(PDF) 9 Page - Intersil Corporation

Part # ISL62381
Description  High-Efficiency, Quad or Triple-Output System Power Supply Controller for Notebook Computers
PDF  23 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL62381 Datasheet(HTML) 9 Page - Intersil Corporation

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9
FN6665.4
August 7, 2008
28
32
FB2
SMPS2 feedback input used for output voltage programming and regulation.
Bottom
Pad
Bottom
Pad
GND
Analog ground of the IC. Unless otherwise stated, signals are reference to this GND.
Pin Descriptions (Continued)
PIN NUMBER
NAME
FUNCTION
28 LD
32 LD
Typical Performance
FIGURE 5. CHANNEL 1 EFFICIENCY AT VO =3.3V
FIGURE 6. CHANNEL 2 EFFICIENCY AT VO =5V
FIGURE 7. POWER-ON, VIN = 12V, LOAD = 5A, VO =3.3V
FIGURE 8. POWER-OFF, VIN = 12V, IO =5A, VO =3.3V
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0.5
1.5
2.5
3.5
4.5
5.5
6.5
7.5
8.5
IOUT (A)
VIN = 12V
VIN = 19V
VIN = 7V
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IOUT (A)
VIN = 12V
VIN = 19V
VIN = 7V
VO1
FB1
PGOOD1
PHASE1
VO1
FB1
PGOOD1
PHASE1
ISL62381, ISL62382, ISL62383



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