参数资料
型号: LTC3411AIDD#TRPBF
厂商: Linear Technology
文件页数: 6/22页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1.25A 10DFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 2.5MHz
电流 - 输出: 1.25A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-DFN(3x3)
LTC3411A
TYPICAL PERFORMANCE CHARACTERISTICS
otherwise noted.
T A = 25°C, V IN = 3.6V f O = 1MHz, unless
SW
2V/DIV
V OUT
50mV/DIV
AC COUPLED
I L
200mA/DIV
Forced Continuous Mode
SHDN/R T
2V/DIV
V OUT
1V/DIV
I L
1A/DIV
Start-Up from Shutdown
SHDN/R T
2V/DIV
V OUT
1V/DIV
I L
1A/DIV
Start-Up from Shutdown
2μs/DIV
3411A G19
200μs/DIV
3411A G20
200μs/DIV
3411A G21
V OUT
1V/DIV
I L
500mA/DIV
V IN = 3.6V
V OUT = 1.8V
I LOAD = 80mA
Start-Up from Shutdown with
a Prebiased Output (Forced
Continuous Mode)
V OUT
100mV/DIV
AC COUPLED
I L
1A/DIV
I LOAD
1A/DIV
V IN = 3.6V
V OUT = 1.8V
I LOAD = 0A
Load Step
V OUT
100mV/DIV
AC COUPLED
I L
1A/DIV
I LOAD
1A/DIV
V IN = 3.6V
V OUT = 1.8V
I LOAD = 1.25A
Load Step
200μs/DIV
3411A G22
40μs/DIV
3411A G23
40μs/DIV
3411A G24
V IN = 3.6V
PREBIASED V OUT = 3V, V OUT = 1.8V
I LOAD = 0A
Load Step
V OUT
100mV/DIV
AC COUPLED
I L
1A/DIV
I LOAD
1A/DIV
V OUT
1V/DIV
I L
2A/DIV
V IN = 3.6V
V OUT = 1.8V
I LOAD = 0A to 1.25A
Burst Mode OPERATION
V OUT Short to Ground
V OUT
1V/DIV
I L
500mA/DIV
V IN = 3.6V
V OUT = 1.8V
I LOAD = 50mA to 1.25A
Burst Mode OPERATION
V OUT Short to V IN (Forced
Continuous Mode)
40μs/DIV
3411A G25
40μs/DIV
3411A G26
40μs/DIV
3411A G27
6
V IN = 3.6V
V OUT = 1.8V
I LOAD = 250mA to 1.25A
Burst Mode OPERATION
V IN = 3.6V
V OUT = 1.8V
I LOAD = 0A
For more information www.linear.com/LTC3411A
V IN = 3.6V
V OUT = 1.8V
I LOAD = 0A
3411afc
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