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BD9535MUV

Rohm
Part Number BD9535MUV
Manufacturer Rohm
Description Switching Regulator
Published Jul 30, 2007
Detailed Description High Performance Regulators for PCs Switching Regulator for DDR-SDRAM Cores BD9535MUV No.10030EBT34 ●Description BD953...
Datasheet PDF File BD9535MUV PDF File

BD9535MUV
BD9535MUV


Overview
High Performance Regulators for PCs Switching Regulator for DDR-SDRAM Cores BD9535MUV No.
10030EBT34 ●Description BD9535MUV is a 2ch switching regulator controller with high output current which can achieve low output voltage (0.
7V～ 2.
0V) from a wide input voltage range (4.
5V～25V).
High efficiency for the switching regulator can be realized by utilizing an external N-MOSFET power transistor.
A new technology called H3RegTM is a Rohm proprietary control method to realize ultra high transient response against load change.
SLLMTM (Simple Light Load Mode) technology is also integrated to improve efficiency in light load mode, providing high efficiency over a wide load range.
For the soft start/stop function, variable frequency function, short circuit protection function with timer latch, and tracking function are all built in.
This 2ch switching regulator is specially designed for Chipset and Front Side Bus.
●Features 1) 2ch H3REGTM Switching Regulator Controller 2) Light Load Mode and Continuous Mode Changeable 3) Thermal Shut Down (TSD), Under Voltage LockOut (UVLO), Over Current (detect the peak current) Protection (OCP), Over Voltage Protection (OVP), Short circuit protection with built-in timer-latch 4) Soft start function to minimize rush current during startup 5) Switching Frequency Variable (f=200KHz～600kHz) 6) VQFN032V5050 package 7) Built-in Power good circuit 8) Adjustable to chip set spec by tracking function ●Applications Laptop PC, Desktop PC, LCD-TV, Digital Components www.
rohm.
com © 2010 ROHM Co.
, Ltd.
All rights reserved.
1/21 2010.
07 - Rev.
B BD9535MUV ●Maximum Absolute Ratings (Ta=25℃) Parameter Input Voltage 1 Input Voltage 2 Input Voltage 3 BOOT Voltage BOOT-SW Voltage HG-SW Voltage LG Voltage Setting for Output Voltage Output voltage SS Voltage FS Voltage VREG voltage Current Limit setting Voltage Logic Input Voltage PGOOD Voltage CE Voltage Power dissipation Operating Temperature Range Storage Temperature Range Junction Temperature *1 Not t...


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