参数资料
| 型号： | SC632AULTRT |
| 厂商： | Semtech |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHED CAP 5V 8MLPD |
| 标准包装： | 1 |
| 类型： | 切换式电容器（充电泵） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 2.95 V ~ 5.5 V |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 275mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-UFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-MLPD（2x2） |
| 其它名称： | SC632AULDKR |
SC632A
Applications Information (continued)
PCB Layout Considerations
Poor layout can degrade the performance of the regula-
tor and can be a contributory factor in EMI problems,
ground bounce, thermal issues, and resistive voltage
losses. Poor regulation and instability can result.
The following design rules are recommended:
. Place the bucket capacitors as close to the device as
possible and on the same side of the board. Use short
wide copper areas between the capacitor pins and
the device pins.
2. Place the input and output decoupling capacitors
as close as possible to the device and connect these
capacitors’ ground pads together to the ground plane
using multiple vias through a short wide copper
area.
3. Connect pin directly to the copper area under the
thermal pad.
4. The thermal pad at the center of the device is not
electrically connected. Connect this pad to the
ground plane using multiple vias.
5. Use a ground plane to further reduce noise
interference on sensitive circuit nodes.
GND
SC632A
C2-
C 2
C 1
C1+
C1-
IN
GND
C2+
OUT
EN
C OUT
C IN
EN
2
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