参数资料
型号: LT3757IDD#PBF
厂商: Linear Technology
文件页数: 36/36页
文件大小: 0K
描述: IC REG CTRLR BST FLYBK INV 10DFN
产品培训模块: LT3757 and LT3758 - Boost, Flyback, SEPIC and Inverting Controllers
标准包装: 121
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: -40°C ~ 125°C
封装/外壳: 10-WFDFN 裸露焊盘
包装: 管件
LT3757/LT3757A
TYPICAL APPLICATION
High Efficiency Inverting Power Supply
V IN
5V TO
15V
C IN
47μF
16V
X5R
41.2k
300kHz
R2
105k
R1
46.4k
0.1μF
V IN
SHDN /UVLO
LT3757
SYNC
RT
SS
V C GND
9.1k
10nF
L1
GATE
SENSE
FBX
INTV CC
C VCC
4.7μF
10V
X5R
?
C DC
47μF
25V, X5R
M1
Si7848BDP
0.006
1W
L2
D1
MBRD835L
84.5k
16k
V OUT
–5V
3A to 5A
C OUT
100μF
6.3V, X5R
× 2
100
90
80
70
60
50
40
30
20
10
0.001
Efficiency vs Output Current
V IN = 5V
V IN = 16V
0.01 0.1 1
10
L1, L2: COILTRONICS DRQ127-3R3 (*COUPLED INDUCTORS)
3757 TA09a
OUTPUT CURRENT (A)
3757 TA09b
RELATED PARTS
PART NUMBER
LT3758A
LT3759
LT3957A
LT3958
LT3573/LT3574/
LT3575
LT3511/LT3512
LT3798
LT3799/LT3799-1
DESCRIPTION
Boost, Flyback, SEPIC and Inverting Controller
Boost, SEPIC and Inverting Controller
Boost, Flyback, SEPIC and Inverting Controller
with 5A, 40V Switch
Boost, Flyback, SEPIC and Inverting Controller
with 3.3A, 84V Switch
40V Isolated Flyback Converters
100V Isolated Flyback Converters
Offline Isolated No Opto-Coupler Flyback
Controller with Active PFC
Offline Isolated Flyback LED Controllers with
Active PFC
COMMENTS
5.5V ≤ V IN ≤ 100V, Current Mode Control, 100kHz to 1MHz Programmable
Operation Frequency, 3mm × 3mm DFN-10 and MSOP-10E Packages
1.6V ≤ V IN ≤ 42V, Current Mode Control, 100kHz to 1MHz Programmable
Operation Frequency, MSOP-12E Packages
3V ≤ V IN ≤ 40V, Current Mode Control, 100kHz to 1MHz Programmable Operation
Frequency, 5mm × 6mm QFN Package
5V ≤ V IN ≤ 80V, Current Mode Control, 100kHz to 1MHz Programmable Operation
Frequency, 5mm × 6mm QFN Package
Monolithic No-Opto Flybacks with Integrated 1.25A/0.65A/2.5A Switch
Monolithic No-Opto Flybacks with Integrated 240mA/420mA Switch
V IN and V OUT Limited Only by External Components, MSOP-16 Package
V IN and V OUT Limited Only by External Components, MSOP-16 Package
3757afd
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX:(408)434-0507    www.linear.com ●
36 Linear Technology Corporation
LT 0712 REV D ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2008
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