参数资料
型号: SC4626HSKTRT
厂商: Semtech
文件页数: 11/22页
文件大小: 0K
描述: IC REG BUCK SYNC 1.5V 1A SOT23-5
标准包装: 1
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.5V
输入电压: 2.9 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 2.5MHz
电流 - 输出: 1A
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: SC-74A,SOT-753
包装: 标准包装
供应商设备封装: SOT-23-5
其它名称: SC4626HSKDKR
SC4626
Typical Waveforms ( continued )
Circuit Conditions: V OUT =3.3V (SC4626Z); L= 2.2uH (TOKO: 1071AS-2R2M); C IN = C OUT = 10uF/6.3V (Murata: GRM21BR60J106K).
Start Up (Power up V =3.3V), OUT EN=VIN
) (V
=3.3V)
Start Up (Power up V =3.3V), OUT EN=VIN
) (V
=3.3V)
V IN
2V/div
V OUT
1V/div
Start Up (V OUT
IN
V IN
2V/div
V OUT
1V/div
Start Up (V OUT
IN
V IN =5.0V
R OUT =1k ?
200μs/div
V IN =5.0V
R OUT =3.3 ?
200μs/div
Up Upinto OUT
Start Start into Pre-Biased Output (V =3.3V)(Enable)
V IN
2V/div
V EN
2V/div
V OUT
1V/div
(V OUT Up IN
Start Up Up into Pre-Biased Output (Power =3.3V)(Power Up)
V IN
2V/div
V OUT
1V/div
V IN =5.0V
R OUT =1k ?
200μs/div
V IN =5.0V
R OUT =1k ?
200μs/div
V IN
5V/div
V EN
2V/div
V OUT
2V/div
(Disable)(V (V OUT
Shutdown-Disable OUT =3.3V)
V IN
5V/div
V EN
2V/div
V OUT
2V/div
(Disable)(V (V OUT
Shutdown-Disable OUT =3.3V)
V IN =5.0V
R OUT =33 ?
? 2009 Semtech Corp.
500μs/div
11
V IN =5.0V
R OUT =3.3 ?
100μs/div
www.semtech.com
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