参数资料
| 型号： | BD8622EFV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPP 3A W/FET HTSSOP-B20 |
| 标准包装： | 2,500 |
| 应用： | 转换器，平面电视 |
| 输入电压： | 2.7 V ~ 5.5 V |
| 输出数： | 1 |
| 工作温度： | -10°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-VSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-HTSSOP-B |
| 包装： | 带卷 (TR) |
System Power Supply for TV Series
Built-in 1ch FET Light Load Type
DC / DC converters
BD8622EFV
No.09034EAT04
● Description
BD8622EFV has realized the high performance and reliability required as a power supply for thin-screen TV.
Due to the high-speed load response, it is most suitable for TV-purpose processors with increasingly high performance, and
due to the wide phase margin it leaves a good margin for board pattern & constant setting and so facilitates its application
design.
As a high-reliability design, it has various built-in protection circuits (overcurrent protection, output voltage abnormal
protection, thermal protection, and off-latch function at the time of abnormality etc.), therefore as an advantage it does not
easily damage in every possible abnormal condition such as all-pin short circuit test etc. and hence most suitable for
thin-screen TV which requires the high reliability.
● Features
1)High efficiency in all load area
2)3.0A output current
3)PWM mode/PFM mode switch(automatic operation)
4)Low current mode/Rorripplmord switch with terminal MODE
5)Low RDS(ON) internal switches:75m ? (typ.)
6)±1% reference voltage accuracy
7)Programmable frequency : 250kHz-1MHz
(Can the adjustment by an external synchronization and the terminal RT resistance.)
8)Terminal RT OPEN/SHORT detecting function
9)Over current protection function
10) Output over voltage/low voltage protection function (over : FB > VREF +60mV , low : FB < VREF -60mV)
11) Timer off latch function in abnormal circumstances
12) Thermal shutdown function
13) Under voltage protection
14) Soft start/start delay circuit
15) Soft start time out function
16) Protecting BUS function with terminal PDET
17) HTSSOP-B20 package
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
1/15
2009.05 - Rev.A
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