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BD9S109NUX-C (新产品) PDF预览

BD9S109NUX-C (新产品)

更新时间: 2024-11-05 11:14:35
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 2037K
描述
BD9S109NUX-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1A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。

BD9S109NUX-C (新产品) 数据手册

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Datasheet  
2.7 V to 5.5 V Input, 1 A  
Single Synchronous Buck DC/DC Converter  
for Automotive  
BD9S109NUX-C  
General Description  
Key Specifications  
BD9S109NUX-C is a synchronous buck DC/DC  
Converter with built-in low On Resistance power  
MOSFETs. It is capable of providing current up to 1 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 VIN  
Output Voltage Setting:  
Output Current:  
1 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  
VIN  
VIN  
PGD  
SW  
CIN1  
VOUT  
VEN  
EN  
SS  
L1  
COUT1  
R1  
R2  
GND  
FB  
Product structure : Silicon integrated circuit This product has no designed protection against radioactive rays  
www.rohm.com  
© 2022 ROHM Co., Ltd. All rights reserved.  
TSZ22111 • 14 • 001  
TSZ02201-0T4T0AA01680-1-2  
06.Apr.2022 Rev.001  
1/37  

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