参数资料
型号: LTC3563EDC#TRMPBF
厂商: Linear Technology
文件页数: 6/16页
文件大小: 0K
描述: IC REG BUCK SYNC 0.5A 6DFN
标准包装: 500
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.28V,1.87V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 2.25MHz
电流 - 输出: 500mA
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: 6-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 6-DFN-EP(2x2)
LTC3563
PI FU CTIO S
V OUT (Pin 1): Output Voltage Feedback. An internal resistive
divider divides the output voltage down for comparison
to the internal 0.6V reference voltage.
V IN (Pin 2): Power Supply Pin. Must be closely decoupled
to GND.
GND (Pin 3): Ground Pin.
SW (Pin 4): Switch Node Connection to Inductor. This pin
connects to the drains of the internal main and synchronous
power MOSFET switches.
V SEL (Pin 5): Output Voltage Selection Pin. This pin controls
the regulated output voltage. When tied to GND, V OUT is
1.28V. When ?oating or connecting this pin to V IN , V OUT
becomes 1.87V.
RUN (Pin 6): Converter Enable Pin. Forcing this pin above
1.5V enables this part, while forcing it below 0.3V causes
the device to shut down. In shutdown, all functions are
disabled drawing <1μA supply current. This pin must be
driven; do not ?oat.
Exposed Pad (Pin 7): GND. The Exposed Pad is ground. It
must be soldered to PCB ground to provide both electrical
contact and optimum thermal performance.
3563f
6
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