参数资料
型号: ISL8023IRTAJZ-T
厂商: Intersil
文件页数: 8/20页
文件大小: 0K
描述: IC VOLTAGE REGULATOR
标准包装: 6,000
系列: *
ISL8023, ISL8024
Typical Operating Performance
SYNC = VIN, L = 1.0μH, C1 = 22μF, C2 = 2 x 22μF, I OUT = 0A to 4A .
100
90
Unless otherwise noted, operating conditions are: T A = +25°C, V VIN = 5V, EN = VIN,
100
90
80
1.2V OUT
1.5V OUT
1.8V OUT
2.5V OUT
80
1.2V OUT
1.5V OUT
1.8V OUT
2.5V OUT
70
60
50
70
60
50
40
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
40
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
I OUT (A)
FIGURE 4. EFFICIENCY vs LOAD (1MHz 3.3 V IN PWM)
100
90
I OUT (A)
FIGURE 5. EFFICIENCY vs LOAD (1MHz 3.3 V IN PFM)
100
90
80
70
1.2V OUT
3.3V OUT
1.5V OUT
1.8V OUT
2.5V OUT
80 1.2V OUT
70
1.5V OUT
1.8V OUT
2.5V OUT
3.3V OUT
60
50
60
50
40
0.0
0.5
1.0
1.5
2.0
I OUT (A)
2.5
3.0
3.5
4.0
40
0.0
0.5
1.0
1.5
2.0
I OUT (A)
2.5
3.0
3.5
4.0
FIGURE 6. EFFICIENCY vs LOAD (1MHz 5V IN PWM)
1.08
0.90
0.72
1.244
1.238
1.232
FIGURE 7. EFFICIENCY vs LOAD (1MHz 5V IN PFM)
0.54
0.36
0.18
3.3V IN PWM MODE
5V IN PWM MODE
1.226
1.220
1.214
3.3V IN PFM MODE
5V IN PFM MODE
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
3.3V IN PWM MODE
1.208
0.0 0.5 1.0 1.5 2.0
5V IN PWM MODE
2.5 3.0 3.5
4.0
I OUT (A)
FIGURE 8. POWER DISSIPATION vs LOAD (1MHz, V OUT = 1.8V)
I OUT (A)
FIGURE 9. V OUT REGULATION vs LOAD (1MHz, V OUT = 1.2V)
8
FN7812.3
March 24, 2014
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