Datasheet > BD3540NUV_09

BD3540NUV_09

更新时间： 2022-12-14 14:51:19

品牌	Logo	应用领域
罗姆 - ROHM		PC
页数	文件大小	规格书
17页	635K
描述
Nch FET Ultra LDOs for Desktop PCs Chipsets with Power Good

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BD3540NUV_09 数据手册

Hi-performance Regulator IC Series for PCs

Nch FET Ultra LDOs

for Desktop PCs Chipsets with Power Good

No.09030EBT04

BD3540NUV, BD3541NUV

●Description

The BD3540NUV, BD3541NUV low-voltage output linear 1ch series chipset regulator IC operates from a very low input

supply, and offers ideal performance in low input voltage to low output voltage applications. It incorporates a built-in

N-MOSFET power transistor to minimize the input-to-output voltage differential to the ON resistance (RON=200mΩ～

400mΩ) level. By lowering the dropout voltage in this way, the regulator realizes high current output (Iomax=0.5A～1.0A)

with reduced conversion loss, and thereby obviates the switching regulator and its power transistor, choke coil, and rectifier

diode. Thus, the BD3540NUV, BD3541NUV are designed to enable significant package profile downsizing and cost

reduction. An external resistor allows the entire range of output voltage configurations between 0.65 and 2.7V, while the

NRCS (soft start) function enables a controlled output voltage ramp-up, which can be programmed to whatever power

supply sequence is required.

●Features

1) High-precision voltage regulator(0.65V±1%)

2) Built-in VCC undervoltage lockout circuit

3) NRCS (soft start) function reduces the magnitude of in-rush current

4) Internal Nch MOSFET driver offers low ON resistance

5) Built-in current limit circuit

6) Built-in thermal shutdown (TSD) circuit

7) Variable output

8) Small package VSON010V3030 : 3.0×3.0×1.0(mm)

9) Tracking function

●Applications

Notebook computers, Desktop computers, LCD-TV, DVD, Digital appliances

●Line-up

It is available to select power supply voltage and maximum output voltage.

Maximum Output Voltage

Package

Vcc=5V

0.5A

1.0A

BD3540NUV

BD3541NUV

VSON010V3030

www.rohm.com

2009.04 - Rev.B

1/16

12 3 4 5 6 7...17

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