Datasheet > BD9SD11NUX-C

BD9SD11NUX-C

更新时间： 2023-09-03 20:25:14

品牌	Logo	应用领域
罗姆 - ROHM		开关转换器
页数	文件大小	规格书
32页	1654K
描述
BD9SD11NUX-C是内置低导通电阻的功率MOSFET的同步整流降压型DC/DC转换器。最大可输出600mA的电流。具有2.2MHz高速开关频率，适用于小型电感。具有基于电流模式控制的高速瞬态响应性能。内置输出电压设定为1.15V的反馈电阻和相位补偿电路，可以用较少的外接零部件构建应用。

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数据手册

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BD9SD11NUX-C 数据手册

BD9SD11NUX-C

Pin Configuration

GND

VIN

EXP-PAD

VOUT

PGD

(TOP VIEW)

Pin Descriptions

Pin No.

Pin Name

Function

1, 2

Switch pin. These pins are connected to the drain of the High Side FET and the Low Side FET.

Pin for setting the soft start time. The rise time of the output voltage can be specified by

connecting a capacitor to this pin. See page 18 for how to calculate the capacitance.

VOUT

PGD

V_OUTfeedback pin. Connect to output voltage sense point.

Power Good pin, an open drain output. It is need to be pulled up to the power supply with a

resistor. See page 12 for setting the resistance.

Enable pin of the device. Turning this pin Low forces the device to enter the shutdown mode.

Turning this pin High makes the device to start up.

Power supply pin. Connecting a 10 µF (Typ) ceramic capacitor is recommended. The detail of a

selection is described in page 16.

VIN

GND

Ground pin.

A backside heat dissipation pad. Connecting to the internal PCB ground plane by using via

provides excellent heat dissipation characteristics.

EXP-PAD

www.rohm.com

TSZ22111 • 15 • 001

TSZ02201-0J2J0AA01520-1-2

2/29

25.Feb.2020 Rev.001

123 4 5 6 7...32

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