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ISL6232 View Datasheet(PDF) - Intersil

Part Name
Description
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ISL6232 Datasheet PDF : 25 Pages
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ISL6232
Typical Operating Performance Circuit in Figure 29, no load on LDO5, LDO3, OUT3 OUT5, and REF, VIN = 12V,
EN3 = EN5 = VCC, SHDN# = VIN, TA = 25°C, unless otherwise noted. (Continued)
100
90
80
12V-ULTRA SKIP
70
12V-SKIP
60
50
40
30
20
10
0
0.001
12V-PWM
0.010
0.100
1.000
3.3V OUTPUT LOAD (A)
FIGURE 7. OUTPUT RIPPLE OF 3.3V vs LOAD
(12V-PWM, SKIP, ULTRA SKIP)
10.000
100
90
80 7V-SKIP
70
12V-SKIP
25V-SKIP
60
50
7V-PWM
40
12V-PWM
25V-PWM
30
20
10
0
0.001
0.010
0.100
1.000
5V OUTPUT LOAD (A)
10.000
FIGURE 8. EFFICIENCY OF 5V OUTPUT vs LOAD
(7V, 12V, 25V-PWM, SKIP)
100
90
80
70
60
50
40
30
20
10
0
0.001
7V-Ultra SKIP
12V-Ultra SKIP
25V-Ultra SKIP
0.010
0.100
1.000
5V OUTPUT LOAD (A)
10.000
FIGURE 9. EFFICIENCY OF 5V OUTPUT vs LOAD
(7V, 12V, 25V-UPTRA SKIP)
350
300
250
200
7V-PWM
150
7V-ULTRA SKIP
100
7V-SKIP
50
0
0.001
0.010
0.100
1.000
5V OUTPUT LOAD (A)
10.000
FIGURE 10. FREQUENCY OF 5V OUTPUT vs LOAD
(7V-PWM, SKIP, ULTRA SKIP)
350
300
250
200
12V-PWM
150
12V-ULTRA SKIP
100
12V-SKIP
50
0
0.001
0.010
0.100
1.000
5V OUTPUT LOAD (A)
10.000
FIGURE 11. FREQUENCY OF 5V OUTPUT vs LOAD
(12V-PWM, SKIP, ULTRA SKIP)
7
350
300
250
200
25V-PWM
150
25V-ULTRA SKIP
100
25V-SKIP
50
0
0.001
0.010
0.100
1.000
5V OUTPUT LOAD (A)
10.000
FIGURE 12. FREQUENCY OF 5V OUTPUT vs LOAD
(25V-PWM, SKIP, ULTRA SKIP)
FN9116.0
April 18, 2005
 

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