LTM4612
典型性能特性
初创与24V
IN
至12V
OUT
at
I
OUT
= 5A ，T
A
= –55°C
短路与24V
IN
至12V
OUT
在我
OUT
= 0A
短路与24V
IN
至12V
OUT
在我
OUT
= 5A
I
IN
2A/DIV
V
OUT
5V/DIV
I
IN
0.2A/DIV
V
OUT
5V/DIV
V
OUT
5V/DIV
I
IN
1A/DIV
500s/DIV
4612 G10
50s/DIV
4612 G11
20s/DIV
4612 G12
软启动电容： 3.9nF
C
IN
= 3
×
10μF陶瓷电容器和
1
×
47μF电容OSCON
C
OUT
= 2
×
22μF陶瓷电容器和
2
×
47μF陶瓷电容器
C
OUT
= 2
×
22μF陶瓷电容器和
2
×
47μF陶瓷电容器
36
30
24
V
IN
(V)
18
12
6
V
IN
到V
OUT
降压比
见频率调整部分
对于运行超出该地区
输入纹波
输出纹波
工作区
与默认频率
50mV/DIV
10mV/DIV
0
3.3 4
6
8
10
V
OUT
(V)
12
14 15
4612 G13
1s/DIV
4612 G14
1s/DIV
V
IN
= 24V
V
OUT
= 12V AT 5A阻性负载
C
OUT
= 2
×
16V 22μF陶瓷及
2
×
16V 47μF陶瓷
4612 G15
V
IN
= 24V
V
OUT
= 12V AT 5A阻性负载
C
IN
= 3
×
50V 10μF陶瓷1
×
100μF BULK
4612fb
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