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參數(shù)資料
| 型號： | LTC3901EGN |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | MOSFETs |
| 英文描述： | Secondary Side Synchronous Driver for Push-Pull and Full-Bridge Converters |
| 中文描述： | 2 A BUF OR INV BASED MOSFET DRIVER, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 229K |
| 代理商： | LTC3901EGN |
LTC3901
1
3901f
■
N-Channel Synchronous MOSFET Driver
■
Programmable Timeout
■
Reverse Inductor Current Sense
■
Gate Drive Transformer Synchronization
Sequence Monitor
■
Wide V
CC
Supply Range: 4.5V to 11V
■
15ns Rise/Fall Times at V
CC
= 5V, C
L
= 4700pF
■
Undervoltage Lockout
■
Small 16-Lead SSOP Package
APPLICATIU
Secondary Side
Synchronous Driver for Push-Pull
and Full-Bridge Converters
The LTC
3901 is a secondary side synchronous rectifier
driver designed to be used in isolated push-pull and full-
bridge converter power supplies. The chip drives two
external N-channel MOSFETs and accepts a transformer-
generated bipolar input to maintain sychronization with
the primary side controller.
The LTC3901 provides a full range of protection features
for the external MOSFETs. A programmable timeout func-
tion is included that disables both drivers when the syn-
chronization signal is missing or incorrect. Additionally,
the chip senses the output inductor current through the
drain-source resistance of the two MOSFETs, turning off
the MOSFETs if the inductor current reverses. The LTC3901
also shuts off the drivers if the supply is low or if the
synchronization sequence is incorrect.
Figure 1. Simplified Isolated Push-Pull Converter
LTC3723
PUSH-PULL
CONTROLLER
COMP V
FB
LT4430 OR LT1431
OPTOCOUPLER
DRIVER
DRVA
DRVB
SDRB
SDRA
ISOLATION
BARRIER
T1
L1
CSE+
ME
CSE–
CSF+
MF
CSF–
V
CC
GND
PV
CC
PGND
LTC3901
OUT
T2
MA
MB
ME
MF
COMP
V
OUT
12V
C
OUT
V
IN
36V TO 72V
3901 F01
+
FB
SYNC
TIMER
■
48V Input Isolated DC/DC Converters
■
Isolated Telecom Power Supplies
■
Distributed Power Step-Down Converters
■
Industrial Control System Power Supplies
■
Automotive and Heavy Equipment
DESCRIPTIOU
FEATURES
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3901EGN#PBF | 功能描述:IC DRIVER RECT SYNC CONV 16SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動器 - 外部開關 系列:- 標準包裝:5 系列:- 配置:低端 輸入類型:非反相 延遲時間:600ns 電流 - 峰:12A 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導啟動）:- 電源電壓:14.2 V ~ 15.8 V 工作溫度:-20°C ~ 60°C 安裝類型:通孔 封裝/外殼:21-SIP 模塊 供應商設備封裝:模塊 包裝:散裝 配用:BG2A-NF-ND - KIT DEV BOARD FOR IGBT 其它名稱:835-1063 |
| LTC3901EGN#TR | 功能描述:IC DRIVER RECT SYNC CONV 16SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動器 - 外部開關 系列:- 標準包裝:5 系列:- 配置:低端 輸入類型:非反相 延遲時間:600ns 電流 - 峰:12A 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導啟動）:- 電源電壓:14.2 V ~ 15.8 V 工作溫度:-20°C ~ 60°C 安裝類型:通孔 封裝/外殼:21-SIP 模塊 供應商設備封裝:模塊 包裝:散裝 配用:BG2A-NF-ND - KIT DEV BOARD FOR IGBT 其它名稱:835-1063 |
| LTC3901EGN#TRPBF | 功能描述:IC DRIVER RECT SYNC CONV 16SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動器 - 外部開關 系列:- 標準包裝:5 系列:- 配置:低端 輸入類型:非反相 延遲時間:600ns 電流 - 峰:12A 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大（自引導啟動）:- 電源電壓:14.2 V ~ 15.8 V 工作溫度:-20°C ~ 60°C 安裝類型:通孔 封裝/外殼:21-SIP 模塊 供應商設備封裝:模塊 包裝:散裝 配用:BG2A-NF-ND - KIT DEV BOARD FOR IGBT 其它名稱:835-1063 |
| LTC3-N21R2-A2IHD3-NA | 制造商:PEPPERL+FUCHS 功能描述:Guided Sensor |
| LTC-3PN | 功能描述:電子電池 3.5V 350MAH W/4LDS RoHS:否 制造商:Cymbet 電池大小:9 mm x 9 mm 輸出電壓:3.3 V 容量:50 uAh 化學性質(zhì): 端接類型:SMD/SMT 可再充電/不可再充電:Rechargeable |
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