参数资料
型号: LT3757MPMSE#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10
封装: 3 X 3 MM, LEAD FREE, PLASTIC, MSOP-10
文件页数: 26/36页
文件大小: 436K
代理商: LT3757MPMSE#PBF
LT3757
32
3757fc
Typical applicaTions
5V to 12V Input, ±12V/0.4A Output SEPIC Converter
Nonisolated Inverting SLIC Supply
SENSE
LT3757
VIN
5V TO 12V
CIN1
1F
16V, X5R
CIN2
47F
16V
CDC1
4.7F
16V, X5R
CDC2
4.7F
16V
X5R
COUT2
4.7F
16V, X5R
×3
VOUT1
12V
0.4A
VOUT2
–12V
0.4A
COUT2
4.7F
16V, X5R
×3
CVCC
4.7F
10V
X5R
0.02
M1
30.9k
400kHz
D1, D2: MBRS140T3
T1: COILTRONICS VP1-0076 (*PRIMARY = 4 WINDINGS IN PARALLEL)
M1: SILICONIX/VISHAY Si4840BDY
GATE
FBX
GND INTVCC
SHDN/UVLO
SYNC
RT
SS
VC
+
105k
46.4k
0.1F
100pF
22k
6.8nF
T1
1,2,3,4
D1
GND
1.05k
1%
158
1%
D2
5
6
3757 TA06
SENSE
LT3757
VIN
5V TO 16V
CIN
22F
25V, X5R
×2
C2
10F
50V
X5R
D1
DFLS160
CVCC
4.7F
10V, X5R
C3
22F
25V
X5R
C4
22F
25V
X5R
COUT
3.3F
100V
GND
C5
22F
25V
X5R
VOUT1
–24V
200mA
VOUT1
–72V
200mA
0.012
0.5W
M1
Si7850DP
63.4k
200kHz
GATE
FBX
GND INTVCC
SHDN/UVLO
SYNC
RT
SS
VC
R2
105k
R1
46.4k
0.1F
100pF
15.8k
464k
9.1k
10nF
T1
1,2,3
4
D2
DFLS160
5
D3
DFLS160
6
VP5-0155 (PRIMARY = 3 WINDINGS IN PARALLEL)
3757 TA07
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