参数资料
型号: ISL9506HRZ-T
厂商: Intersil
文件页数: 7/27页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 40-QFN
标准包装: 4,000
系列: Robust Ripple Regulator™ (R³)
PWM 型: 控制器
输出数: 1
频率 - 最大: 500kHz
电源电压: 4.75 V ~ 5.25 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -10°C ~ 100°C
封装/外壳: 40-VFQFN 裸露焊盘
包装: 带卷 (TR)
ISL9506
Typical Operating Performance 3-Phase, DCR Sense, HS one IRF7821, LS two IRF7832 per phase, 300kHz, 0.5μH
100
0.76
90
80
V IN = 12.6V
V IN = 8.0V
0.75
0.74
0.73
V IN = 8.0V
V IN = 12.6V
0.72
70
60
V IN = 19.0V
0.71
0.70
V IN = 19.0V
0.69
50
0.1
1.0
10.0
0.68
0
10
20
30
I OUT (A)
FIGURE 5. DIODE EMULATION MODE EFFICIENCY, 3 PHASE,
DCM OPERATION, LP = LOW, VSEL = 0.75V
100
I OUT (A)
FIGURE 6. DIODE EMULATION MODE DROOP IMPEDANCE, 3
PHASE, DCM OPERATION, LP = LOW, VSEL = 0.75V
100
90
80
V IN = 12.6V
V IN = 8.0V
V IN = 19.0V
90
80
V IN = 12.6V
V IN = 8.0V
V IN = 19.0V
70
60
70
60
50
1
10
100
50
0.1
1.0
10.0
I OUT (A)
FIGURE 7. NOMINAL MODE EFFICIENCY, 2 PHASE, CCM,
LP = HIGH, V SEL = 1.4375V
100
I OUT (A)
FIGURE 8. DIODE EMULATION MODE EFFICIENCY, 2 PHASE,
DCM OPERATION, LP = LOW, V SEL = 1.4375V
1.44
90
80
V IN = 12.6V
V IN = 8.0V
1.42
1.40
V IN = 8.0V
V IN = 12.6V
1.38
70
V IN = 19.0V
1.36
60
1.34
V IN = 19.0V
50
0.1
1.0
10.0
1.32
0
10
20
30
40
50
I OUT (A)
FIGURE 9. DIODE EMULATION MODE EFFICIENCY, 2 PHASE,
DCM OPERATION, LP = LOW, V SEL = 0.75V
7
I OUT (A)
FIGURE 10. NOMINAL MODE DROOP IMPEDANCE, 2 PHASE,
CCM, LP = HIGH, V SEL = 1.435V
FN6722.0
August 13, 2008
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