参数资料
型号: LTC4081EDD#PBF
厂商: Linear Technology
文件页数: 8/24页
文件大小: 0K
描述: IC USB POWER MANAGER 10-DFN
标准包装: 121
功能: 电源管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 3.75 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 管件
产品目录页面: 1341 (CN2011-ZH PDF)
LTC4081
TYPICAL PERFORMANCE CHARACTERISTICS
speci?ed)
Output Voltage Waveform
(T A = 25°C, V CC = 5V, V BAT = 3.8V, unless otherwise
Output Voltage Transient
V OUT
20mV/DIV
AC COUPLED
I LOAD
250mA/DIV
0mA
Output Voltage Transient
Step Response (PWM Mode)
V OUT
50mV/DIV
AC COUPLED
V MODE
5V/DIV
0V
when Switching Between Burst
and PWM Mode (I LOAD = 10mA)
V OUT
20mV/DIV
AC COUPLED
I LOAD
50mA/DIV
0mA
Step Response (Burst Mode
Operation)
50 μ s/DIV
4081 G25
50 μ s/DIV
4081 G27
50 μ s/DIV
4081 G26
V OUT
1V/DIV
0V
Buck V OUT Soft-Start
(I LOAD = 50mA)
V PROG
Charger V PROG Soft-Start
V EN _ BUCK
5V/DIV
0V
200mV/DIV
0V
200 μ s/DIV
4081 G28
50 μ s/DIV
4081 G29
4081f
8
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