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SN6501DBVR PDF预览

SN6501DBVR

更新时间: 2024-11-14 11:44:27
品牌 Logo 应用领域
德州仪器 - TI 变压器电源变压器驱动器
页数 文件大小 规格书
26页 1176K
描述
Transformer Driver for Isolated Power Supplies

SN6501DBVR 数据手册

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SN6501  
www.ti.com  
SLLSEA0C FEBRUARY 2012REVISED MARCH 2012  
Transformer Driver for Isolated Power Supplies  
Check for Samples: SN6501  
1
FEATURES  
APPLICATIONS  
Push-Pull Driver for Small Transformers  
Single 3.3 V or 5 V Supply  
Isolated Interface Power Supply for CAN, RS-  
485, RS-422, RS-232, SPI, I2C, Low-Power LAN  
Industrial Automation  
Process Control  
High Primary-side Current Drive:  
5 V Supply: 350 mA (max)  
3.3 V Supply: 150 mA (max)  
Medical Equipment  
Low Ripple on Rectified Output Permits Small  
Output Capacitors  
Small 5-pin SOT23 Package  
DESCRIPTION  
The SN6501 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power  
supplies in isolated interface applications. It drives a low-profile, center-tapped transformer primary from a 3.3 V  
or 5 V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer  
turns ratio.  
The SN6501 consists of an oscillator followed by a gate drive circuit that provides the complementary output  
signals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make  
action between the two switches.  
The SN6501 is available in a small SOT23-5 package, and is specified for operation at temperatures from –40°C  
to 125°C.  
VIN = 3.3V  
10µF  
SN6501  
TPS76350  
MBR0520L  
VOUT  
1:2.2  
VOUT-REG = 5V  
4
5
3
2
1
1
2
3
5
4
GND  
D2  
IN  
OUT  
GND  
EN  
Vcc  
D1  
10µF 0.1µF  
10µF  
NC  
GND  
MBR0520L  
Figure 1. Typical Operating Circuit  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2012, Texas Instruments Incorporated  
 
 

SN6501DBVR 替代型号

型号 品牌 替代类型 描述 数据表
SN6501QDBVRQ1 TI

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