参数资料
型号: ISL8033IRZ
厂商: Intersil
文件页数: 11/18页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A DL 24QFN
标准包装: 75
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 6 V
输入电压: 2.85 V ~ 6 V
PWM 型: 电流模式
频率 - 开关: 1.1MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘
包装: 管件
供应商设备封装: 24-QFN(4x4)
ISL8033, ISL8033A
Typical Operating Performance ISL8033
Unless otherwise noted, operating conditions are: T A = +25°C, V IN = 5V, EN = V IN , L1 = L2 = 1.5 μ H, C1 = C2 = C4 = 2x22μF, V OUT1 = 1.2V, V OUT2 = 1.8V,
I OUT1 = I OUT2 = 0A to 3A. (Continued)
EN2 2V/DI V
EN1 2V/DI V
V OUT2 1V/DIV
V OUT1 0.5V/DIV
IL2 1A/DIV
IL1 0.5A/DIV
PG 2V/DIV
PG 5V/DIV
FIGURE 21. SOFT-START AT FULL LOAD CHANNEL 2
EN2 2V/DI V
V OUT2 1V/DIV
IL2 0.5A/DIV
PG 5V/DIV
FIGURE 23. SOFT-DISCHARGE SHUTDOWN CHANNEL 2
LX2 2V/DIV
SYNCH 5V/DIV
V OUT2 RIPPLE 20mV/DIV
IL2 0.2A/DIV
FIGURE 25. CHANNEL 2 STEADY STATE OPERATION AT NO LOAD
WITH FREQUENCY = 6MHz
11
FIGURE 22. SOFT-DISCHARGE SHUTDOWN CHANNEL 1
LX1 2V/DIV
SYNCH 5V/DIV
V OUT1 RIPPLE 20mV/DIV
IL1 0.2A/DIV
FIGURE 24. CHANNEL 1 STEADY STATE OPERATION AT NO LOAD
WITH FREQUENCY = 6MHz
LX1 2V/DIV
SYNCH 5V/DIV
V OUT1 RIPPLE 20mV/DIV
IL1 2A/DIV
FIGURE 26. CHANNEL 1 STEADY STATE OPERATION AT FULL LOAD
WITH FREQUENCY = 6MHz
FN6854.2
March 24, 2011
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