参数资料
| 型号： | BD6522F-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 25/31页 |
| 文件大小： | 0K |
| 描述： | IC PWR MANAGEMENT SWITCH SOP8 TR |
| 标准包装： | 2,500 |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 70 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 2.0A |
| 输入电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-SOP |
| 包装： | 带卷 (TR) |
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BD6520F
BD6522F
Datasheet
(10) GND wiring pattern
When using both small-signal and large-current GND traces, the two ground traces should be routed separately but
connected to a single ground at the reference point of the application board to avoid fluctuations in the small-signal
ground caused by large currents. Also ensure that the GND traces of external components do not cause variations on the
GND voltage. The power supply and ground lines must be as short and thick as possible to reduce line impedance.
(11) Capacitor between output and GND
If a large capacitor is connected between the output pin and GND pin, current from the charged capacitor can flow into
the output pin and may destroy the IC when the VCC or VIN pin is shorted to ground or pulled down to 0V. Use a
capacitor smaller than 10uF between output and GND.
(12) Thermal shutdown circuit (TSD)
The IC incorporates a built-in thermal shutdown circuit, which is designed to turn off the IC when the internal
temperature of the IC reaches a specified value. Do not continue to operate the IC after this function is activated. Do not
use the IC in conditions where this function will always be activated.
(13) Thermal consideration
Use a thermal design that allows for a sufficient margin by taking into account the permissible power dissipation (Pd) in
actual operating conditions. Consider Pc that does not exceed Pd in actual operating conditions (Pc ≥ Pd).
Package Power dissipation
Power dissipation
: Pd (W)=(Tjmax － Ta)/ θ ja
: Pc (W)=(Vcc － Vo)×Io+Vcc×Ib
Tjmax : Maximum junction temperature=150 ℃ , Ta : Peripheral temperature[ ℃ ] ,
θ ja : Thermal resistance of package-ambience[ ℃ /W], Pd : Package Power dissipation [W],
Pc : Power dissipation [W], Vcc : Input Voltage, Vo : Output Voltage, Io : Load, Ib : Bias Current
www.rohm.com
? 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
25/28
TSZ02201-0E3E0H300250-1-2
11.Mar.2013 Rev.001
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