参数资料
型号: ISL6237IRZ
厂商: Intersil
文件页数: 10/35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: 60
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: 管件
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)
2.5
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
2.5
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
2.0
1.5
1.0
0.5
2.0
1.5
1.0
0.5
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 9. V OUT2 = 1.05V POWER DISSIPATION vs LOAD
(300kHz)
OUTPUT LOAD (A)
FIGURE 10. V OUT1 = 1.5V POWER DISSIPATION vs LOAD
(200kHz)
3.5
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
3.5
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
3.0
2.5
2.0
1.5
1.0
0.5
3.0
2.5
2.0
1.5
1.0
0.5
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 11. V OUT2 = 3.3V POWER DISSIPATION vs LOAD
(500kHz)
1.064
OUTPUT LOAD (A)
FIGURE 12. V OUT1 = 5V POWER DISSIPATION vs LOAD
(400kHz)
1.068
1.062
NO LOAD PWM
1.066
1.060
1.058
1.056
1.064
1.062
1.060
1.058
NO LOAD PWM
1.054
MID LOAD PWM
1.056
1.052
1.050
MAX LOAD PWM
1.054
1.052
1.050
MAX LOAD PWM
MID LOAD PWM
1.048
5
7
9
11
13
15
17
19
21
23
25
1.048
5
7
9
11 13 15 17 19
21
23
25
INPUT VOLTAGE (V)
FIGURE 13. V OUT2 = 1.05V OUTPUT VOLTAGE REGULATION
vs V IN (PWM MODE)
10
INPUT VOLTAGE (V)
FIGURE 14. V OUT2 = 1.05V OUTPUT VOLTAGE REGULATION
vs V IN (SKIP MODE)
FN6418.4
March 18, 2008
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