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位置:首页 > IC型号导航 > 首字符L型号页 > 首字符L的型号第185页 > LTC3728LCGNPBF > LTC3728LCGNPBF PDF资料 > LTC3728LCGNPBF PDF资料1第8页
LTC3728L/LTC3728LX
典型性能特性
软启动(图13 )
V
OUT
5V/DIV
V
RUN / SS
5V/DIV
I
L
2A/DIV
I
L
2A/DIV
V
IN
= 15V
V
OUT
= 5V
5ms/DIV
3728L G19
载荷步(图13 )
V
OUT
200mV/DIV
V
OUT
200mV/DIV
载荷步(图13 )
I
L
2A/DIV
V
IN
= 15V
20s/DIV
V
OUT
= 5V
V
PLLFLTR
= 0V
负载阶跃= 0A到3A
突发模式工作
3728L G20
V
IN
= 15V
20s/DIV
V
OUT
= 5V
V
PLLFLTR
= 0V
负载阶跃= 0A到3A
连续模式
3728L G21
输入源/电容
瞬时电流(图13 )
I
IN
2A/DIV
V
IN
200mV/DIV
V
SW1
10V/DIV
V
SW2
10V/DIV
V
IN
= 15V
1s/DIV
V
OUT1
= 5V, V
OUT2
= 3.3V
V
PLLFLTR
= 0V
I
OUT5
= I
OUT3.3
= 2A
3728L G22
突发模式操作(图13 )
V
OUT
20mV/DIV
V
OUT
20mV/DIV
恒定频率(突发禁止)
操作(图13)
I
L
0.5A/DIV
3728L G23
I
L
0.5A/DIV
V
IN
= 15V
V
OUT
= 5V
V
PLLFLTR
= 0V
V
FCB
=打开
I
OUT
= 20mA下
10s/DIV
V
IN
= 15V
V
OUT
= 5V
V
PLLFLTR
= 0V
V
FCB
= 5V
I
OUT
= 20mA下
2s/DIV
3728L G24
3728lxff
8

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