参数资料
型号: LT3757MPMSE#TRPBF
厂商: Linear Technology
文件页数: 32/36页
文件大小: 0K
描述: IC REG CTRLR PWM CM 10-MSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
电源电压: 2.9 V ~ 40 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -55°C ~ 125°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
包装: 带卷 (TR)
LT3757/LT3757A
TYPICAL APPLICATIONS
5V to 12V Input, ±12V/0.4A Output SEPIC Converter
V IN
5V TO 12V
+
C IN2
47μF
16V
30.9k
400kHz
C IN1
1μF
16V, X5R
0.1μF
105k
46.4k
100pF
V IN
SHDN /UVLO
LT3757
SYNC GATE
SENSE
RT FBX
SS
V C GND INTV CC
22k
6.8nF
C VCC
4.7μF
10V
X5R
?
T1
1,2,3,4
M1
0.02
C DC1
4.7μF
16V, X5R
C DC2
4.7μF
16V
X5R
?
D1
5
D2
6
3757 TA07
1.05k
1%
158
1%
C OUT2
4.7μF
16V, X5R
× 3
C OUT2
4.7μF
16V, X5R
× 3
V OUT1
12V
0.4A
GND
V OUT2
–12V
0.4A
D1, D2: MBRS140T3
T1: COILTRONICS VP1-0076 (*PRIMARY = 4 WINDINGS IN PARALLEL)
M1: SILICONIX/VISHAY Si4840BDY
Nonisolated Inverting SLIC Supply
VP5-0155 (PRIMARY = 3 WINDINGS IN PARALLEL)
T1
1,2,3
V IN
5V TO 16V
C IN
22μF
25V, X5R
× 2
R2
105k
R1
46.4k
V IN
SHDN /UVLO
LT3757
SYNC GATE
SENSE
RT FBX
SS
V C GND INTV CC
C2
10μF
50V
X5R
M1
Si7850DP
?
?
?
D1
DFLS160
4
D2
DFLS160
5
C3
22μF
25V
X5R
C4
22μF
25V
X5R
C OUT
3.3μF
100V
GND
V OUT1
–24V
200mA
63.4k
200kHz
0.1μF
100pF
9.1k
10nF
C VCC
4.7μF
10V, X5R
15.8k
0.012
0.5W
464k
?
D3
DFLS160
6
C5
22μF
25V
X5R
V OUT1
–72V
200mA
3757 TA08
3757afd
32
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