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零件编号
产品描述 (功能)
LTC1517-3.3 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC1517-3.3
Micropower, Regulated 3.3V Charge Pump in a 5-Pin SOT-23 Package
Linear Technology
LTC1517-3.3 Datasheet PDF : 8 Pages
1
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4
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7
8
TYPICAL PERFORMANCE CHARACTERISTICS
LTC1517-3.3
Output Voltage vs Input Voltage
3.40
I
OUT
= 8mA
C
OUT
= 6.8
µ
F
3.35
T
A
= 70
°
C
3.30
T
A
= 0
°
C
T
A
= 25
°
C
3.25
3.20
2.0
2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G01
No Load Input Current vs
Input Voltage
10
I
OUT
= 0mA
8
T
A
= 70
°
C
6
T
A
= 0
°
C
T
A
= 25
°
C
4
2
2.0 2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G04
Typical Output Current
vs Temperature
50
V
OUT
= 3.3V
C1 = 0.1
µ
F
40
V
IN
= 2.7V
30
V
IN
= 2.5V
20
V
IN
= 2V
10
Efficiency vs Input Voltage
100
I
OUT
= 8mA
T
A
= 25
°
C
80
Output Ripple vs Input Voltage
200
I
OUT
= 8mA
C1 = 0.1
µ
F
C
IN
= 3.3
µ
F
150 T
A
= 25
°
C
C
OUT
= 3.3
µ
F
60
100
C
OUT
= 6.8
µ
F
40
50
C
OUT
= 10
µ
F
20
2.0
2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G02
0
2.0
2.5
3.0
3.5
4.0
4.5
INPUT VOLTAGE (V)
1517 G03
Typical Efficiency vs
Output Current
100
T
A
= 25
°
C
C1 = 0.1
µ
F
80
C
OUT
= 6.8
µ
F
V
IN
= 2V
V
IN
= 2.5V
60
40
Load Transient Response
I
OUT
0mA to 10mA
5mA/DIV
V
OUT
AC COUPLED
50mV/DIV
20
0
0.001
0.01 0.1
1
10 100
OUTPUT CURRENT (mA)
1517 TA02
V
IN
= 2.5V
C
OUT
= 6.8
µ
F
500
µ
s/ DIV
1517 G06
V
OUT
Short-Circuit Current
vs Input Voltage
200
T
A
= 25
°
C
C1 = 0.1
µ
F
160
120
80
40
0
–50 –25 0
25 50
TEMPERATURE (
°
C)
75 100
1517 G09
0
2.0 2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G10
3
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