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参数资料
| 型号： | LTC3526LEDC#TRM |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6 |
| 文件页数： | 11/16页 |
| 文件大小： | 342K |
| 代理商： | LTC3526LEDC#TRM |
LTC3526L
4
3526lf
Start-Up Delay Time vs VIN
Burst Mode Threshold Current
vs VIN
Oscillator Frequency Change
vs VOUT
RDS(ON) vs VOUT
Oscillator Frequency Change
vs Temperature
RDS(ON) Change vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
UW
VIN (V)
1.0
0
DELAY
(
s)
10
30
40
50
100
70
2.0
3.0
3.5
3526 G07
20
80
90
60
1.5
2.5
4.0
4.5
VIN (V)
1
0
LOAD
CURRENT
(mA)
5
10
15
20
25
30
1.25
1.5
!# $ /&=
ENTER BURST
LEAVE BURST
VOUT = 1.8V
COUT = 10F
L = 4.7
H
Burst Mode Threshold Current
vs VIN
VIN (V)
1
LOAD
CURRENT
(mA)
15
20
25
3526 G08b
10
5
0
1.25
1.5
30
35
40
1.75
ENTER BURST
LEAVE BURST
VOUT = 2.5V
COUT = 10F
L = 4.7
H
Burst Mode Threshold Current
vs VIN
Burst Mode Threshold Current
vs VIN
VIN (V)
1.0
0
LOAD
CURRENT
(mA)
5
15
20
25
50
35
1.5
2.0
3526 G08c
10
40
45
30
2.5
3.0
ENTER BURST
LEAVE BURST
VOUT = 3.3V
COUT = 10F
L = 4.7
H
VIN (V)
1.0
LOAD
CURRENT
(mA)
40
50
60
2.5
3.5
!# $ /&@
30
20
1.5
2.0
3.0
4.0
4.5
10
0
ENTER BURST
LEAVE BURST
VOUT = 5V
COUT = 10F
L = 4.7
H
VOUT (V)
1.5
FREQUENCY
CHANGE
(%)
1
2
3
3.0
4.0
3526 G09
0
–1
2.0
2.5
3.5
4.5
5.0
–2
–3
NORMALIZED TO VOUT = 3.3V
VOUT (V)
1.5
R
DS(ON)
(
)
0.50
0.45
0.80
0.85
0.90
2.5
3.5
4.0
3526 G10
0.35
0.70
0.60
0.40
0.75
0.30
0.65
0.55
2.0
3.0
4.5
5.0
PMOS
NMOS
–50
–30
–10
10
30
50
70
90
TEMPERATURE (
°C)
FREQUECNY
CHANGE
(%)
4
6
8
!# $ /
0
–10
–8
–6
10
2
–2
–4
NORMALIZED TO 25
°C
–50
–30
–10
10
30
50
70
90
TEMPERATURE (
°C)
R
DS(ON)
CHANGE
(%)
1.0
1.1
1.2
!# $ /
0.8
0.7
1.3
0.9
NORMALIZED TO 25
°C
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