参数资料
型号: LTC3406BES5-1.2#TRPBF
厂商: Linear Technology
文件页数: 5/12页
文件大小: 0K
描述: IC REG BUCK SYNC 1.2V TSOT23-5
标准包装: 2,500
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.2V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1.5MHz
电流 - 输出: 600mA
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: SOT-23-5 细型,TSOT-23-5
包装: 带卷 (TR)
供应商设备封装: TSOT-23-5
LTC3406B-1.2
TYPICAL PERFOR A CE CHARACTERISTICS
(From Figure 1a Except for the Resistive Divider Resistor Values)
RUN
2V/DIV
V OUT
1V/DIV
I L
500mA/DIV
Start-Up from Shutdown
V OUT
100mV/DIV
AC COUPLED
I L
500mA/DIV
I LOAD
500mA/DIV
Load Step
V OUT
100mV/DIV
AC COUPLED
I L
500mA/DIV
I LOAD
500mA/DIV
Load Step
V IN = 3.6V
I LOAD = 600mA
50 μ s/DIV
3406B12 G14
25 μ s/DIV
V IN = 3.6V
I LOAD = 0mA TO 600mA
3406B12 G15
25 μ s/DIV
V IN = 3.6V
I LOAD = 50mA TO 600mA
3406B12 G16
V OUT
100mV/DIV
AC COUPLED
I L
500mA/DIV
I LOAD
500mA/DIV
Load Step
V OUT
100mV/DIV
AC COUPLED
I L
500mA/DIV
I LOAD
500mA/DIV
Load Step
25 μ s/DIV
V IN = 3.6V
I LOAD = 100mA TO 600mA
3406B12 G17
25 μ s/DIV
V IN = 3.6V
I LOAD = 200mA TO 600mA
3406B12 G18
PI FU CTIO S
RUN (Pin 1): Run Control Input. Forcing this pin above
1.5V enables the part. Forcing this pin below 0.3V shuts
down the device. In shutdown, all functions are disabled
drawing <1 μ A supply current. Do not leave RUN floating.
GND (Pin 2): Ground Pin.
V IN (Pin 4): Main Supply Pin. Must be closely decoupled
to GND, Pin 2, with a 2.2 μ F or greater ceramic capacitor.
V OUT (Pin 5): Output Voltage Feedback Pin. An internal
resistive divider divides the output voltage down for com-
parison to the internal reference voltage.
SW (Pin 3): Switch Node Connection to Inductor. This pin
connects to the drains of the internal main and synchro-
nous power MOSFET switches.
sn3406b12 3406b12fs
5
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