ISL6232 Datasheet, PDF (8/25 Pages) Intersil Corporation – High Efficiency System Power Supply Controller for Notebook Computers

ISL6232
Typical Operating Performance Circuit in Figure 29, no load on LDO5, LDO3, OUT3 OUT5, and REF, VIN = 12V,
EN3 = EN5 = VCC, SHDN# = VIN, T_A = 25°C, unless otherwise noted. (Continued)
5.20
60
5.15
12V-PWM
50 ^{12V-ULTRA SKIP}
40
12V-SKIP
5.10
30
12V-SKIP
12V-ULTRA SKIP
20
5.05
10
12V-PWM
5.00
0.001
0.010
0.100
1.000
5V OUTPUT LOAD (A)
10.000
FIGURE 13. OUTPUT VOLTAGE REGULATION OF 5V vs LOAD
(12V-PWM, SKIP, ULTRA SKIP)
0
0.001
0.010
0.100
1.000
5V OUTPUT LOAD (A)
FIGURE 14. OUTPUT RIPPLE OF 5V vs LOAD
(12V-PWM, SKIP, ULTRA SKIP)
10.000
50
45
40
35
30
25
20
6 8 10 12 14 16 18 20 22 24 26
INPUT VOLTAGE (V)
FIGURE 15. PWM NO-LOAD BATTERY CURRENT vs INPUT
VOLTAGE
700
600
500
400
300
200
100
6 8 10 12 14 16 18 20 22 24 26
INPUT VOLTAGE (V)
FIGURE 16. IDLE NO-LOAD BATTERY CURRENT vs INPUT
VOLTAGE
160
158
156
154
152
150
148
146
144
142
140
6 8 10 12 14 16 18 20 22 24 26
INPUT VOLTAGE (V)
FIGURE 17. STANDBY INPUT CURRENT vs INPUT VOLTAGE
8
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
6 8 10 12 14 16 18 20 22 24 26
INPUT VOLTAGE (V)
FIGURE 18. SHUTDOWN INPUT CURRENT vs INPUT
VOLTAGE
FN9116.1
April 20, 2009