参数资料
型号: ISL8024IRTAJZ-T7A
厂商: Intersil
文件页数: 11/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 16TQFN
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 5.5 V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 490kHz ~ 4.2MHz
电流 - 输出: 4A
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: 16-WFQFN 裸露焊盘
包装: 标准包装
供应商设备封装: 16-TQFN(3x3)
其它名称: ISL8024IRTAJZ-T7ADKR
ISL8023, ISL8024
Typical Operating Performance Unless otherwise noted, operating conditions are: T A = +25°C, V VIN = 5V, EN = VIN,
SYNC = VIN, L = 1.0μH, C1 = 22μF, C2 = 2 x 22μF, I OUT = 0A to 4A . (Continued)
EN 2V/DIV
V OUT 1V/DIV
I L 1A/DIV
PG 2V/DIV
FIGURE 22. SOFT-START AT NO LOAD (PFM)
EN 2V/DIV
EN 2V/DIV
V OUT 1V/DIV
I L 1A/DIV
PG 5V/DIV
FIGURE 23. SOFT-START WITH PRE-BIASED 1V
EN 2V/DIV
V OUT 1V/DIV
V OUT 1V/DIV
I L 2A/DIV
I L 1A/DIV
PG 5V/DIV
PG 5V/DIV
FIGURE 24. SOFT-START AT FULL LOAD
PHASE 5V/DIV
V OUT RIPPLE 20mV/DIV
I L 0.5A/DIV
SYNC 5V/DIV
FIGURE 26. STEADY STATE OPERATION AT NO LOAD WITH
FREQUENCY = 2MHz
FIGURE 25. SOFT-DISCHARGE SHUTDOWN
PHASE 5V/DIV
V OUT RIPPLE 20mV/DIV
I L 2A/DIV
SYNC 5V/DIV
FIGURE 27. STEADY STATE OPERATION AT FULL LOAD WITH
FREQUENCY = 2MHz
11
FN7812.3
March 24, 2014
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