参数资料
| 型号： | BD8622EFV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 8/18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) |
BD8622EFV
Technical Note
Soft start time set function
As for BD8622EFV, output can do soft start without overshoot by charging soft start capacity (CSS) connected between SS
and SGND terminal.
Also, soft start time (tss) can be set by setting soft start capacity (CSS) arbitrarily.
OSC oscillation frequency setting function
The output oscillation frequency can be set by connecting resistance between terminal RT (20 pins) and SGND
(range = 250kHz - 1MHz)
The relation between RT terminal resistance and the oscillation frequency follows Fig.4.
1000
10
10
100
1000
10000
RT terminal resistance [k ? ]
Fig.4 RT resistance-oscillation frequency
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
8/15
2009.05 - Rev.A
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