参数资料
型号: SC194AMLTRT
厂商: Semtech
文件页数: 6/17页
文件大小: 0K
描述: IC REG BUCK ADJ 1A 10MLP
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: 可调
输入电压: 2.7 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
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: 10-VFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 10-MLP(3x3)
产品目录页面: 1357 (CN2011-ZH PDF)
其它名称: SC194AMLDKR
SC194A
POWER MANAGEMENT
Pin Descriptions
PRELIMINARY
Pin #
1
2
3
4
5
6
7
8
9
10
T
Pin Name
VIN
MODE
SYNC/PWM
EN
VOUT
VID0
VID1
GND
PGND
LX
THERMAL
PAD
Pin Function
Input power supply voltage
MODE select pin - MODE = V IN to select 100% duty cycle function, MODE = GND to disable
Oscillator synchronization input - Tie to V IN for forced PWM mode or GND to allow the part to enter PSAVE
mode at light loads. Apply an external clock signal for frequency synchronization.
Enable digital input - a high input enables the SC194A, a low disables and reduces quiescent current to
less than 1 μ A. In shutdown, LX becomes high impedance.
Regulated output voltage and feedback for SC194A
Logic level bit 0 used in conjunction with VID1 to set the output voltage. Connect high or low as required
to select the desired output voltage. If not connected, the output voltage will be indeterminate.
Logic level bit 1 used in conjunction with VID0 to set the output voltage. Connect high or low as required
to select the desired output voltage. If not connected, the output voltage will be indeterminate.
Ground
Power Ground
Inductor connection to the switching FETs
Pad for heatsinking purposes - not connected internally. Connects to ground plane using
multiple vias.
? 2006 Semtech Corp.
6
www.semtech.com
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