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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： | 12/16页 |
| 文件大小： | 342K |
| 代理商： | LTC3526LEDC#TRM |
LTC3526L
5
3526lf
TEMPERATURE (
°C)
–50
0.50
V
IN
(V)
0.55
0.60
0.65
0.70
0.80
25
025
50
3526 G14
75
100
0.75
1mA LOAD
NO LOAD
VFB vs Temperature
Start-Up Voltage vs Temperature
Fixed Frequency Switching
Waveform and VOUT Ripple
Burst Mode Waveforms
VOUT and IIN During Soft-Start
Burst Mode Quiesent Current
vs VOUT
TEMPERATURE (
°C)
–60
–1.00
CHANGE
IN
V
FB
(%)
–0.75
–0.50
–0.25
0
–20
20
60
100
3526 G13
0.25
0.50
–40
0
40
80
NORMALIZED TO 25
°C
VOUT (V)
1.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
3.0
4.0
4.5
3526 G15
2.0
2.5
3.5
5.0
I Q
(
A)
SW PIN
2V/DIV
500ns/DIV
VIN = 1.2V
VOUT = 3.3V AT 100mA
COUT = 10F
3526 G16
VOUT
10mV/DIV
AC COUPLED
SW PIN
2V/DIV
INDUCTOR
CURRENT
0.2A/DIV
10
ms/DIV
VIN = 1.2V
VOUT = 3.3V
COUT = 10mF
3526 G17
VOUT
20mV/DIV
AC COUPLED
SHDN PIN
1V/DIV
INPUT
CURRENT
0.2A/DIV
200
s/DIV
VOUT = 3.3V
COUT = 10F
3526 G18
VOUT
1V/DIV
Load Step Response (from Burst
Mode Operation)
LOAD
CURRENT
50mA/DIV
100
s/DIV
VIN = 3.6V
VOUT = 5V
20mA TO 170mA STEP
COUT = 10F
3526 G19
VOUT
100mV/DIV
AC COUPLED
Load Step Response
(Fixed Frequency)
LOAD
CURRENT
50mA/DIV
100
s/DIV
VIN = 3.6V
VOUT = 5V
50mA TO 150mA STEP
COUT = 10F
3526 G20
VOUT
100mV/DIV
AC COUPLED
TYPICAL PERFOR A CE CHARACTERISTICS
UW
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