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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BD9SD11NUX-C 数据手册

Datasheet

2.7 V to 5.5 V Input, 600 mA

Single Synchronous Buck DC/DC Converter

for Automotive

BD9SD11NUX-C

General Description

Key Specifications

BD9SD11NUX-C is a synchronous buck DC/DC

Converter with built-in low On Resistance power

MOSFETs. It is capable of providing current up to 600

mA. Small inductor is applicable due to high switching

frequency of 2.2 MHz. It is a current mode control

DC/DC Converter and features high-speed transient

response. It has an integrated feedback resistor that

sets the output voltage to 1.15 V and a built-in phase

compensation circuit. Applications can be created with

a few external components.



Input Voltage:

2.7 V to 5.5 V

1.15 V (Typ)

600 mA (Max)

2.2 MHz (Typ)

270 mΩ (Typ)

180 mΩ (Typ)

0 μA (Typ)

Output Voltage:

Output Current:

Switching Frequency:

High Side FET ON Resistance:

Low Side FET ON Resistance:

Shutdown Circuit Current:

Operating Temperature:

-40 °C to +125 °C

Package

VSON008X2020

W (Typ) x D (Typ) x H (Max)

2.00 mm x 2.00 mm x 0.60 mm

Features



AEC-Q100 Qualified ^{(Note 1)}

Single Synchronous Buck DC/DC Converter

Adjustable Soft Start Function

Power Good Output

Input Under Voltage Lockout Protection (UVLO)

Short Circuit Protection (SCP)

Output Over Voltage Protection (OVP)

Over Current Protection (OCP)

Thermal Shutdown Protection (TSD)

(Note 1) Grade 1

Applications



Automotive Equipment

Other Electronic Equipment

Typical Application Circuit

V_IN

VIN

PGD

C_IN1

V_EN

V_OUT

L₁

C_OUT1

GND

VOUT

Figure 1. Application Circuit

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0J2J0AA01520-1-2

25.Feb.2020 Rev.001

1/29

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