参数资料
型号: ISL6237IRZ-T
厂商: Intersil
文件页数: 9/35页
文件大小: 0K
描述: IC MAIN PWR CTRLR QUAD 32-QFN
产品培训模块: Solutions for Industrial Control Applications
标准包装: 6,000
应用: 控制器,笔记本电脑电源系统
输入电压: 5.5 V ~ 25 V
输出数: 4
输出电压: 多重
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 带卷 (TR)
ISL6237
Typical Performance Curves
Circuit of Figures 62, 63 and 64, no load on LDO, OUT1, OUT2, and REF, V IN = 12V,
EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, V EN_LDO = 5V, T A = -40°C to +100°C, unless
otherwise noted. Typical values are at T A = +25°C. (Continued)
100
7 V IN SKIP MODE
7 V IN PWM MODE
7 V IN ULTRA SKIP MODE
12 V IN SKIP MODE
12 V IN PWM MODE
12 V IN ULTRA SKIP MODE
25 V IN SKIP MODE
25 V IN PWM MODE
25 V IN ULTRA SKIP MODE
100
7 V IN SKIP MODE
7 V IN PWM MODE
7 V IN ULTRA SKIP MODE
12 V IN SKIP MODE
12 V IN PWM MODE
12 V IN ULTRA SKIP MODE
25 V IN SKIP MODE
25 V IN PWM MODE
25 V IN ULTRA SKIP MODE
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0.001
0.010
0.100
1.000
10.000
0
0.001
0.010
0.100
1.000
10.000
OUTPUT LOAD (A)
FIGURE 3. V OUT2 = 3.3V EFFICIENCY vs LOAD (500kHz)
OUTPUT LOAD (A)
FIGURE 4. VOUT1 = 5V EFFICIENCY vs LOAD (400kHz)
1.070
7 V IN SKIP MODE
7 V IN PWM MODE
7 V IN ULTRA SKIP MODE
12 V IN SKIP MODE
12 V IN PWM MODE
12 V IN ULTRA SKIP MODE
25 V IN SKIP MODE
25 V IN PWM MODE
25 V IN ULTRA SKIP MODE
1.540
7 V IN SKIP MODE
7 V IN PWM MODE
7 V IN ULTRA SKIP MODE
12 V IN SKIP MODE
12 V IN PWM MODE
12 V IN ULTRA SKIP MODE
25 V IN SKIP MODE
25 V IN PWM MODE
25 V IN ULTRA SKIP MODE
1.068
1.066
1.064
1.062
1.060
1.058
1.056
1.054
1.052
1.535
1.530
1.525
1.520
1.515
1.510
1.505
1.050
0.001
0.010
0.100
1.000
10.000
1.500
0.001
0.010
0.100
1.000
10.000
OUTPUT LOAD (A)
FIGURE 5. V OUT2 = 1.05V REGULATION vs LOAD (300kHz)
OUTPUT LOAD (A)
FIGURE 6. V OUT1 = 1.5V REGULATION vs LOAD (200kHz)
3.38
7 V IN SKIP MODE
7 V IN PWM MODE
7 V IN ULTRA SKIP MODE
12 V IN SKIP MODE
12 V IN PWM MODE
12 V IN ULTRA SKIP MODE
25 V IN SKIP MODE
25 V IN PWM MODE
25 V IN ULTRA SKIP MODE
5.16
7 V IN SKIP MODE
7 V IN PWM MODE
7 V IN ULTRA SKIP MODE
12 V IN SKIP MODE
12 V IN PWM MODE
12 V IN ULTRA SKIP MODE
25 V IN SKIP MODE
25 V IN PWM MODE
25 V IN ULTRA SKIP MODE
3.37
3.36
5.14
5.12
5.10
3.35
5.08
3.34
5.06
3.33
3.32
3.31
5.04
5.02
5.00
0.001
0.010
0.100
1.000
10.000
0.001
0.010
0.100
1.000
10.000
OUTPUT LOAD (A)
FIGURE 7. V OUT2 = 3.3V REGULATION vs LOAD (500kHz)
9
OUTPUT LOAD (A)
FIGURE 8. V OUT1 = 5V REGULATION vs LOAD (400kHz)
FN6418.4
March 18, 2008
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