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BD91364BMUU

更新时间: 2024-11-05 11:08:19
品牌 Logo 应用领域
罗姆 - ROHM 开关转换器稳压器
页数 文件大小 规格书
30页 1221K
描述
罗姆的高效率降压开关稳压器BD91364BMUU是通过2.9V ~ 5.5V的电源线生成0.8V~3.3V等低电压的降压转换器。通过PFM/PWM自动切换,实现了全负载领域的高效化。采用恒定时间控制方式,实现了负载突变时的高速瞬态响应。

BD91364BMUU 数据手册

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Datasheet  
2.9V to 5.5V Input, 5A Integrated MOSFET  
Single Synchronous Buck DC/DC Converter  
BD91364BMUU  
General Description  
Key Specifications  
ROHM’s  
high  
efficiency  
switching  
regulator,  
Input Voltage Range:  
2.9V to 5.5V  
0.8V to PVCC×0.8V  
5.0A(Max)  
BD91364BMUU, is a step-down converter designed to  
produce a low voltage output of 0.8V to 3.3V from a 2.9V  
to 5.5V power supply line. It offers high efficiency in all  
load ranges by automatic PFM/PWM adjustment. It  
employs an On-time control system to provide faster  
transient response to sudden change in load.  
Output Voltage Range:  
Output Current:  
Switching Frequency:  
High Side FET ON Resistance:  
Low Side FET ON Resistance:  
Standby Current:  
1.7MHz(Typ)  
27m(Typ)  
27m(Typ)  
0μA (Typ)  
Operating Temperature Range: -40°C to +105°C  
Features  
Package  
W(Typ) x D(Typ) x H(Max)  
4.00mm x 4.00mm x 0.50mm  
Fast transient response with On-time control  
system.  
VQFN20U4040M  
High efficiency for all load range with synchronous  
rectifier (Nch/Nch FET) and adaptive PFM/PWM  
system.  
Adjustable Soft-start function.  
Thermal and UVLO protection.  
Short-circuit current protection with timer latch.  
Shutdown function.  
Applications  
Power supply for LSI including SoC, DSP,  
Micro computer and ASIC  
Laptop PC / Tablet PC / Server  
LCD TV, Storage Devices (HDD / SSD)  
Printer  
Entertainment device  
Secondary power supply  
VQFN20U4040M  
Typical Application Circuit  
VIN  
PGD  
BST  
PVCC  
AVCC  
EN  
PGD  
CIN  
22µF  
CBST  
L
BD91364BMUU  
VOUT  
SW  
FB  
0.47µH  
SS  
CO  
22µF  
CSS  
GND  
RS  
Figure 1. Typical Application Circuit  
Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays  
.www.rohm.com  
© 2015 ROHM Co., Ltd. All rights reserved.  
TSZ22111 • 14 • 001  
TSZ02201-0J2J0AJ00930-1-2  
27.Jul.2015 Rev.001  
1/27  

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