參數(shù)資料
型號: LT3470
廠商: Linear Integrated Systems
英文描述: Micropower Buck Regulator with Integrated Boost and Catch Diodes
中文描述: 微功耗降壓穩(wěn)壓器與集成升壓二極管和捕捉
文件頁數(shù): 4/16頁
文件大?。?/td> 205K
代理商: LT3470
4
LT3470
3470f
TYPICAL PERFOR U
V
IN
Quiescent Current
vs Temperature
BIAS Quiescent Current
(Bias > 3V) vs Temperature
SHDN Bias Current
vs Temperature
FB Bias Current (V
FB
= 1V)
vs Temperature
Top and Bottom Switch Current
Limits (V
FB
= 0V) vs Temperature
TEMPERATURE (
°
C)
–50
C
350
25
3470 G04
200
100
–25
0
50
50
0
400
300
250
150
75
100
125
TEMPERATURE (
°
C)
–50
–25
0
V
I
μ
A
20
50
0
50
75
3470 G05
10
40
30
25
100
125
BIAS < 3V
BIAS > 3V
TEMPERATURE (
°
C)
–50
B
μ
A
20
25
30
25
75
3470 G06
15
10
–25
0
50
100
125
5
0
TEMPERATURE (
°
C)
–50
0
S
μ
A
1
3
4
5
50
9
3470 G07
2
0
–25
75
100
25
125
6
7
8
V
SHDN
= 36V
V
SHDN
= 2.5V
TEMPERATURE (
°
C)
–50
–25
0
F
20
50
0
50
75
3470 G08
10
40
30
25
100
125
FB Bias Current (V
FB
= 0V)
vs Temperature
TEMPERATURE (
°
C)
–50
F
μ
A
80
100
120
25
75
3470 G09
60
40
–25
0
50
100
125
20
0
Switch V
CESAT
(I
SW
= 100mA)
vs Temperature
Boost Diode V
F
(I
F
= 50mA)
vs Temperature
TEMPERATURE (
°
C)
–50
S
C
200
250
300
25
75
3470 G10
150
100
–25
0
50
100
125
50
0
TEMPERATURE (
°
C)
–50
S
F
0.7
25
3470 G11
0.4
0.2
–25
0
50
0.1
0
0.8
0.6
0.5
0.3
75
100
125
Catch Diode V
F
(I
F
= 100mA)
vs Temperature
TEMPERATURE (
°
C)
–50
0.4
0.5
0.7
25
75
3470 G12
0.3
0.2
–25
0
50
100
125
0.1
0
0.6
S
F
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