参数资料
型号: LTC3525DESC6-3.3
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.45 A SWITCHING REGULATOR, PDSO6
封装: PLASTIC, MO-203AB, SC-70, 6 PIN
文件页数: 6/12页
文件大小: 220K
代理商: LTC3525DESC6-3.3
LTC3525D-3.3
3
3525d33f
VIN (V)
0.5
1.0
I OUT
(mA)
300
250
200
150
100
50
0
2.5
3.5
3525 G01
1.5
2.0
3.0
4.0
4.5
LOAD (mA)
0.01
0.1
EFFICIENCY
(%)
100
90
80
70
60
50
40
30
20
POWER
LOSS
(mW)
100
10
1
0.1
0.01
1
10
1000
100
3525 G04
EFFICIENCY
POWER LOSS
VIN = 3V
VIN = 2.4V
VIN = 1.2V
3525 G07
LOAD (mA)
0
140 160
120
100
20
40
60
80
180
CHANGE
IN
V
OUT
(%)
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
COUT = 22F
COUT = 10F
VIN = 2.4V
3525 G06
LOAD (mA)
040
60
20
10
30
50
70
80
CHANGE
IN
V
OUT
(%)
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
COUT = 22F
COUT = 10F
VIN = 1.2V
3525 G02
250
200
150
100
50
0
LOAD
(mA)
VIN (V)
0.5
1.0
1.5
2.0
2.5
3.0
3525 G03
VIN (V)
1.0
2.5
3.5
1.5
2.0
3.0
4.0
4.5
I IN
(
A)
50
45
40
35
30
25
20
15
10
5
0
Maximum Output Current vs VIN
(for VOUT to Drop 2.5%)
Maximum Startup Load vs VIN
(Resistive Load)
No-Load Input Current vs VIN
Load Regulation
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TA = 25°C unless otherwise noted.
Efciency and Power Loss vs
Load
3525 G13
TEMPERATURE (
°C)
–40–30–20–10 0
CHANGE
IN
V
OUT
(%)
80
40 50
20
10
30
70
60
0.4
0.3
0.2
0.1
–0.1
–0.2
–0.3
–0.4
0
1.0
2.5
3.5
1.5
2.0
3.0
4.0
4.5
3525 G14
120
100
80
60
40
20
0
SWITCHING
DELAY
(
s)
VIN (V)
3525 G12
LOAD (mA)
0.1
BURST
FREQUENCY
(kHz)
40
35
30
25
20
15
10
5
0
110
COUT = 10F
COUT = 22F
Light Load Burst Frequency
vs Load
VOUT Variation vs Temperature
(Normalized to 25°C)
Start-Up Delay Coming Out of
Shutdown
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