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參數(shù)資料
| 型號： | LT3748IMS#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, PDSO12 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-16/12 |
| 文件頁數(shù)： | 1/30頁 |
| 文件大?。?/td> | 284K |
| 代理商： | LT3748IMS#TRPBF |
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LT3748
1
3748fa
FEATURES
APPLICATIONS
DESCRIPTION
100V Isolated
Flyback Controller
The LT3748 is a switching regulator controller specifically
designed for the isolated flyback topology and capable of
high power. It drives a low side external N-channel power
MOSFET from an internally regulated 7V supply. No third
winding or opto-isolator is required for regulation as the
part senses the isolated output voltage directly from the
primary-side flyback waveform.
The LT3748 utilizes boundary mode to provide a small
magnetic solution without compromising load regulation.
Operating frequency is set by load current and transformer
magnetizing inductance. The gate drive of the LT3748
combined with a suitable external MOSFET allow it to
deliver load power up to several tens of watts from input
voltages as high as 100V.
The LT3748 is available in a high voltage 16-lead MSOP
package with four leads removed.
25W, 12V Output, Isolated Telecom Supply
n 5V to 100V Input Voltage Range
n 1.9A Average Gate Drive Source and Sink Current
n Boundary Mode Operation
n No Transformer Third Winding or Opto-Isolator
Required for Regulation
n Primary-Side Winding Feedback Load Regulation
n VOUT Set with Two External Resistors
n INTVCC Pin for Control of Gate Driver Voltage
n Programmable Soft Start
n Programmable Undervoltage Lockout
n Available in MSOP Package
n Isolated Telecom Converters
n High Power Automotive Supplies
n Isolated Industrial Power Supplies
Output Load and Line Regulation
TYPICAL APPLICATION
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Protected by U.S. Patents, including 5438499 and 7471522.
EN/UVLO
TC
SS
RFB
RREF
VC
GND
INTVCC
LT3748
3748 TA01a
56.2k
2nF
VIN
36V TO 72V
VOUT
+
12V
2A
VOUT
–
VIN
4:1
412k
15.4k
10μF
3.8μH
60.8μH
100μF
GATE
SENSE
4700pF
4.7μF
6.04k
243k
0.033Ω
10k
LOAD CURRENT (A)
0
11.4
V
OUT
(V)
11.6
11.8
12.0
12.2
14.4
12.6
0.5
1.0
1.5
2.0
3748 TA01b
VIN = 72V
VIN = 48V
VIN = 36V
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT374B | 制造商:EDSYN 功能描述:TIP CONICAL 0.8X12.2MM |
| LT375 | 制造商:Edsyn 功能描述:.06'' x .57'' Spade Tip 制造商:EDSYN 功能描述:SOLDERING TIP; Features:For Lead-Free & High-Temperature Soldering; Series:Loner; Tip / Nozzle Length:0.48" |
| LT3750 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Capacitor Charger Controller |
| LT3750EMS | 制造商:Linear Technology 功能描述:SP-SWREG/Controller, Capacitor Charger Controller |
| LT3750EMS#PBF | 功能描述:IC CONVERTER 10-MSOP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:- 標準包裝:1,000 系列:- 類型:音頻視頻切換 應用:TV 開關 安裝類型:表面貼裝 封裝/外殼:36-USO 供應商設備封裝:- 包裝:帶卷 (TR) 其它名稱:AN15851ATR |
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