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ISL6236 Datasheet, PDF (12/35 Pages) Intersil Corporation – High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers
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ISL6236
Typical Performance Curves
Circuit of Figures 66, 67 and 68, no load on LDO, OUT1, OUT2, VREF3, and REF, VIN = 12V,
EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, VEN LDO = 5V, TA = -40°C to +100°C, unless
otherwise noted. Typical values are at TA = +25°C. (Continued)
300
50
45
250
40
200
PWM
150
100
ULTRA-SKIP
50
0
0.001
0.010
0.100
OUTPUT LOAD (A)
SKIP
1.000
10.000
35
30
25
20
15
10
5
0
0.001
PWM
ULTRA-SKIP
SKIP
0.010
0.100
1.000
OUTPUT LOAD (A)
10.000
FIGURE 21. VOUT2 = 1.05V FREQUENCY vs LOAD
FIGURE 22. VOUT2 = 1.05V RIPPLE vs LOAD
250
PWM
200
150
100
ULTRA-SKIP
50
0
0.001
SKIP
0.010
0.100
OUTPUT LOAD (A)
1.000
10.000
FIGURE 23. VOUT1 = 1.5V FREQUENCY vs LOAD
600
PWM
500
400
300
200
ULTRA-SKIP
100 SKIP
0
0.001
0.010
0.100
1.000
OUTPUT LOAD (A)
10.000
FIGURE 25. VOUT2 = 3.3V FREQUENCY vs LOAD
50
45
40
PWM
35
30
25
20 ULTRA-SKIP
SKIP
15
10
5
0
0.001
0.010
0.100
OUTPUT LOAD (A)
1.000
FIGURE 24. VOUT1 = 1.5V RIPPLE vs LOAD
10.000
14
PWM
12
10
8
ULTRA-SKIP
SKIP
6
4
2
0
0.001
0.010
0.100
1.000
OUTPUT LOAD (A)
FIGURE 26. VOUT2 = 3.3V RIPPLE vs LOAD
10.000
12
FN6373.6
April 29, 2010
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