LT3748E 查看數據表（PDF） - Linear Technology
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产品描述 (功能)
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LT3748E Datasheet PDF : 34 Pages
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LT3748
Typical Application
5V, 2A Output from Automotive Input with Continuous Operation from 6V to 45V
VIN
12V TYP
10µF
86.6k
825k
215k
EN/UVLO VIN
T1 D1
2:1
18.2Ω
330pF
8.3µH
48.7k
RFB
100µF
10V
VOUT+
5V, 2A
D2
VOUT–
LT3748
RREF
TC
GATE
SS
SENSE
VC
GND INTVCC
6.04k
M1
D1: DIODES INC. SBR8U60P5
D2: DIODES INC. BZT52C5V6
M1: Si7738DP
T1: PULSE PA3177NL
0.016Ω
47nF 24.7k
2.2nF
4.7µF
3748 TA02
Related Parts
PART NUMBER
LT8300
LT8301
LT8302
LT8309
LT3573
LT3574/LT3575
LT3757/LT3758
LT3957/LT3958
LT1725
LT1737
LTC®3803/LTC3803-3
LTC3803-5
LTC3805/LTC3805-5
DESCRIPTION
100VIN Micropower Isolated Flyback Converter with
150V/260mA Switch
42VIN Micropower Isolated Flyback Converter with
65V/1.2A Switch
42VIN Micropower Isolated Flyback Converter with
65V/3.6A Switch
Secondary-Side Synchronous Rectifier Driver
40V Isolated Flyback Converter
40V Isolated Flyback Converters
40V/100V Flyback, Boost Controllers
40V/100V Flyback, Boost Converters
20V Isolated Flyback Controller
20V Isolated Flyback Controller
200kHz/300kHz Flyback DC/DC Controllers
Adjustable Frequency Flyback Controllers
COMMENTS
Low IQ Monolithic No-Opto Flybacks, 5-Lead TSOT-23
Low IQ Monolithic No-Opto Flybacks, 5-Lead TSOT-23
Low IQ Monolithic No-Opto Flybacks, 8-Lead SO-8E
4.5V ≤ VCC ≤ 40V, Fast Turn-On and Turn-Off, 5-Lead TSOT-23
Monolithic No-Opto Flyback with Integrated 1.25A, 60V Switch
Monolithic No-Opto Flybacks with Integrated 0.65A / 2.5A 60V Switch
Universal Controllers with Small Package and Powerful Gate Drive
Monolithic with Integrated 5A/3.3A Switch
Controller with Load Compensation Circuitry
No Opto-Isolator or Third Winding Required, Up to 50W Output
VIN and VOUT Limited Only by External Components
VIN and VOUT Limited Only by External Components
34 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950F3o5r -m7o4r1e7information www.linear.com/LT3748
(408) 432-1900 ●● FAX: ((440088))443344--00550077 ●● wwwwww.l.ilnineeaar.rc.coomm/LT3748
3748fb
LT 0215 REV B • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2010
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