参数资料
型号: ISL6228IRTZ-T
厂商: Intersil
文件页数: 14/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 28-TQFN
标准包装: 6,000
系列: Robust Ripple Regulator™ (R³)
PWM 型: 控制器
输出数: 2
频率 - 最大: 600kHz
电源电压: 3.3 V ~ 25 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 100°C
封装/外壳: 28-WFQFN 裸露焊盘
包装: 带卷 (TR)
ISL6228
Typical Performance
100
95
90
85
80
75
70
65
V IN = 8V
V IN = 12V
V IN = 19V
100
95
90
85
80
75
70
65
V IN = 8V
V IN = 12V
V IN = 19V
60
0
1
2
3
4
5
6
7
8
60
0
1
2
3
4
5
6
7
8
I OUT (A)
FIGURE 9. CHANNEL 1 EFFICIENCY AT V O = 1.5V
V O1
FB1
PGOOD1
PHASE1
FIGURE 11. START-UP, V IN = 12V, LOAD = 0.25 Ω , V O = 1.05V
V O1
I OUT (A)
FIGURE 10. CHANNEL 2 EFFICIENCY AT VO = 1.8V
V O1
FB1
PGOOD1
PHASE1
FIGURE 12. SHUT-DOWN, V IN = 12V, I O = 10A, V O = 1.05V
V O1
PHASE1
PHASE1
V O2
V O2
PHASE2
PHASE2
FIGURE 13. CCM STEADY-STATE OPERATION,V IN = 12V,
V O1 = 1.5V, I O1 = 3A, V O2 = 1.8A, I O2 = 4A
14
FIGURE 14. DCM STEADY-STATE OPERATION,V IN = 12V,
V O1 = 1.5V, I O1 = 1A, V O2 = 1.8V, I O2 = 1A
FN9095.2
May 7, 2008
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