參數(shù)資料
型號(hào): 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): 5/16頁
文件大小: 205K
代理商: LT3470
5
LT3470
3470f
TYPICAL PERFOR U
Switch V
CESAT
BOOST Pin Current
Catch Diode Forward Voltage
Boost Diode Forward Voltage
Diode Leakage (V
R
= 36V)
vs Temperature
Minimum Input Voltage, V
OUT
= 3.3V
Minimum Input Voltage, V
OUT
= 5V
TEMPERATURE (
°
C)
–50
–25
0
S
μ
A
10
25
0
50
75
3470 G13
5
20
15
25
100
125
BOOST
CATCH
SWITCH CURRENT (mA)
0
400
500
700
300
3470 G14
300
200
100
200
400
100
0
600
S
C
SWITCH CURRENT (mA)
0
8
10
14
300
3470 G15
6
4
100
200
400
2
0
12
B
CATCH DIODE CURRENT (mA)
0
S
F
0.4
0.6
400
3470 G16
0.2
0
100
200
300
1.0
0.8
BOOST DIODE CURRENT (mA)
0
S
F
500
600
700
200
3470 G17
400
300
0
50
100
150
100
200
900
800
LOAD CURRENT (mA)
0
3.0
I
3.5
4.0
4.5
5.0
5.5
6.0
50
100
150
200
3470 G18
T
A
= 25
°
C
V
IN
TO START
V
IN
TO RUN
LOAD CURRENT (mA)
0
I
6
7
200
3470 G19
5
4
50
100
150
8
T
A
= 25
°
C
V
IN
TO START
V
IN
TO RUN
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