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The JTM9805 is a monolithic high voltage switching regulator

时间:2015-10-05 13:07来源:未知 作者:oumao18 点击: 次
目录 1. 产品概述 2. 产品特点 3. 应用范围 4. 下载产品资料PDF文档 5. 产品封装图 6. 电路原理图 7. 功能概述 8 . 相关产品 一 , 产品概述( General Description) The JTM9805 is a monolithic high voltage switching r
目录
1.产品概述                       2.产品特点
3.应用范围                       4.下载产品资料PDF文档
5.产品封装图                     6.电路原理图                   
7.功能概述                        8.相关产品

一,产品概述(General Description)         
      The JTM9805 is a monolithic high voltage switching regulator with PFM that is
specifically designed to operate from a 24V~100V DC supply.
      The JTM9805 is a high efficiency LED driver switching regulator. The LED string
is driven at DC constant current rather than constant voltage, thus providing constant
current output and enhanced reliability

二.产品特点(Features)
1.)Wide 24V to 100V Input Voltage Range
2.)0.2V current sense voltage reference.
3.)Directly drive 3~8 series 1W LED.
4.)Excellent line and load regulation.
5.)High efficiency up to 96%.
6.)Minimum Drop out >6V.
7.)Internal optimize power HV-MOSFET.
8.)Built in thermal shutdown function.
9.)Built in UVLO function.
10.)Built in current limiting function.
11.)Built in LED open & short protection.
12.)Built in soft-start circuit.
13.)Available in SOIC-8 package.

三,应用范围 (Applications)
EBIKE LED Lighting
LED Lighting & LED LAMP
General purpose lighting

四.下载产品资料PDF文档

JTM9805

五,产品封装图 (Package)

Pin Number Pin Name Description
1 NC No Connected.
2 VDD The chip supply voltage.
3 CSP Current Sense Positive Terminal.
4 SW Output Switching Pin
5, 6 VIN Input high voltage Pin. (Operation voltage 24V~ 100V)
7, 8 CSN Current Sense Negative Terminal.
(责任编辑：oumao18)
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