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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741页 > LT1962 > LT1962 PDF资料 > LT1962 PDF资料10第5页
LTC3025-1/LTC3025-2/
LTC3025-3/LTC3025-4
典型性能特性
V
IN
到V
OUT
输入输出电压差
VS我
OUT
120
100
漏失电压(MV )
80
60
40
20
0
T
A
= –40°C
V
BIAS
= 2.8V
V
IN
= 1.4V
T
A
= 125°C
T
A
= 25°C
I
BIAS
(A)
500
450
400
350
125°C
25°C
–40°C
I
BIAS
(A)
300
250
200
150
100
50
0
50 100 150 200 250 300 350 400 450 500
I
OUT
(MA )
30251234 G01
(T
A
= 25 ° C除非另有说明)
工作偏置电流
与输出电流
80
BIAS无负载工作电流
V
IN
= 1.5V
V
OUT
= 1.2V
70
60
50
40
30
20
10
125°C
–40°C
25°C
0
0.01
0.1
1
10
I
OUT
(MA )
100
1000
0
2.5
3
3.5
4.5
4
V
BIAS
(V)
5
5.5
30251234 G02
30251234 G03
V
IN
无负载工作电流
14
12
10
I
IN
(A)
8
6
4
2
0
0.5
1.5
2.5
3.5
4.5
5.5
V
BIAS
= 5V
V
OUT
= 0.8V
7
6
125°C
85°C
25°C
–40°C
I
IN
(A)
5
4
3
2
1
V
IN
关断电流
V
BIAS
= 5V
405
404
403
调整压(MV )
402
401
400
399
398
397
396
1.5
2.5
3.5
4.5
5.5
–40°C
调节电压与温度
V
BIAS
= 3.6V
V
IN
= 1.5V
I
OUT
= 10A
25°C
85°C
0
0.5
395
–50
–25
V
IN
(V)
30251234 G04
V
IN
(V)
30251234 G05
50
25
0
75
温度(℃)
100
125
30251234 G06
SHDN
阈值与温度
1000
900
800
SHDN
阈值(MV )
700
600
500
400
300
200
100
0
–50
–25
50
25
0
75
温度(℃)
100
125
V
BIAS
= 2.5V
V
BIAS
= 5V
电流限制(毫安)
1600
1400
1200
1000
800
600
400
200
0
限流VS V
IN
电压
V
IN
AC
100mV/DIV
突发模式DC / DC降压纹波
拒绝
V
OUT
AC
10mV/DIV
0
1
2
3
V
IN
(V)
4
5
6
V
IN
= 1.8V
V
OUT
= 1.5V
C
OUT
= 1F
I
OUT
= 50毫安
10s/DIV
30251234 G09
30251234 G07
30251234 G08
30251234ff
5

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