Datasheet > BD9S209NUX-C (新产品)

BD9S209NUX-C (新产品)

更新时间： 2023-09-03 20:24:52

品牌	Logo	应用领域
罗姆 - ROHM		开关 DC-DC转换器电感器
页数	文件大小	规格书
40页	2030K
描述
BD9S209NUX-C是一款内置低导通电阻功率MOSFET的同步整流降压型DC-DC转换器。该产品可输出最大2A的电流，其开关频率高达2.2MHz，因此允许使用小型电感器。该产品采用电流模式控制，具有高速瞬态响应性能。另外，还内置有相位补偿电路，仅用很少的外置元器件即可构建应用产品。

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Datasheet

2.7 V to 5.5 V Input, 2 A

Single Synchronous Buck DC/DC Converter

for Automotive

BD9S209NUX-C

General Description

Key Specifications

BD9S209NUX-C is a synchronous buck DC/DC

Converter with built-in low On Resistance power

MOSFETs. It is capable of providing current up to 2 A.

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 a built-in phase compensation circuit.

Applications can be created with a few external

components.

◼

Input Voltage:

2.7 V to 5.5 V

0.8 V to V_IN

Output Voltage Setting:

Output Current:

2 A (Max)

Switching Frequency:

High Side FET ON Resistance:

Low Side FET ON Resistance:

Shutdown Circuit Current:

Operating Temperature:

2.2 MHz (Typ)

150 mΩ (Typ)

95 mΩ (Typ)

0 μA (Typ)

-40 °C to +125 °C

Package

VSON008X2020

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

2.0 mm x 2.0 mm x 0.6 mm

Features

◼

AEC-Q100 Qualified^{(Note 1)}

Single Synchronous Buck DC/DC Converter

Adjustable Soft Start Function

Output Discharge 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_OUT

V_EN

L₁

C_OUT1

R₁

GND

R₂

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

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0T4T0AA01670-1-2

06.Apr.2022 Rev.001

1/37

12 3 4 5 6 7...40

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