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BD3541NUV

Description
Nch FET Ultra LDOs for Desktop PCs Chipsets with Power Good
CategoryPower/power management    The power supply circuit   
File Size656KB,17 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Environmental Compliance
Download Datasheet Parametric Compare View All

BD3541NUV Overview

Nch FET Ultra LDOs for Desktop PCs Chipsets with Power Good

BD3541NUV Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerROHM Semiconductor
Parts packaging codeSON
package instruction3.0 X 3.0 MM, 1.0 MM HEIGHT, ROHS COMPLIANT, VSON-10
Contacts10
Reach Compliance Codecompli
ECCN codeEAR99
Maximum drop-back voltage 10.3 V
JESD-30 codeS-PDSO-N10
JESD-609 codee2
length3 mm
Number of functions1
Number of terminals10
Working temperatureTJ-Max100 °C
Operating temperatureTJ-Mi-10 °C
Maximum output current 11 A
Maximum output voltage 12.7 V
Minimum output voltage 10.65 V
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1 mm
surface mountYES
Terminal surfaceTin/Copper (Sn/Cu)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
Hi-performance Regulator IC Series for PCs
Nch FET Ultra LDOs
for Desktop PCs Chipsets with Power Good
BD3540NUV, BD3541NUV
No.09030EBT04
●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 (R
ON
=200mΩ½
400mΩ) level. By lowering the dropout voltage in this way, the regulator realizes high current output (Iomax=0.5A½1.0A)
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
BD3540NUV
VSON010V3030
1.0A
BD3541NUV
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/16
2009.04 - Rev.B

BD3541NUV Related Products

BD3541NUV BD3540NUV BD3540NUV_09
Description Nch FET Ultra LDOs for Desktop PCs Chipsets with Power Good Nch FET Ultra LDOs for Desktop PCs Chipsets with Power Good Nch FET Ultra LDOs for Desktop PCs Chipsets with Power Good
Is it lead-free? Lead free Lead free -
Is it Rohs certified? conform to conform to -
Maker ROHM Semiconductor ROHM Semiconductor -
Parts packaging code SON SON -
package instruction 3.0 X 3.0 MM, 1.0 MM HEIGHT, ROHS COMPLIANT, VSON-10 3.0 X 3.0 MM, 1.0 MM HEIGHT, ROHS COMPLIANT, VSON-10 -
Contacts 10 10 -
Reach Compliance Code compli compli -
ECCN code EAR99 EAR99 -
Maximum drop-back voltage 1 0.3 V 0.3 V -
JESD-30 code S-PDSO-N10 S-PDSO-N10 -
JESD-609 code e2 e2 -
length 3 mm 3 mm -
Number of functions 1 1 -
Number of terminals 10 10 -
Working temperatureTJ-Max 100 °C 100 °C -
Operating temperatureTJ-Mi -10 °C -10 °C -
Maximum output current 1 1 A 0.5 A -
Maximum output voltage 1 2.7 V 2.7 V -
Minimum output voltage 1 0.65 V 0.65 V -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code HVSON HVSON -
Package shape SQUARE SQUARE -
Package form SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE -
Peak Reflow Temperature (Celsius) 260 260 -
Certification status Not Qualified Not Qualified -
Regulator type ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR -
Maximum seat height 1 mm 1 mm -
surface mount YES YES -
Terminal surface Tin/Copper (Sn/Cu) Tin/Copper (Sn/Cu) -
Terminal form NO LEAD NO LEAD -
Terminal pitch 0.5 mm 0.5 mm -
Terminal location DUAL DUAL -
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED -
width 3 mm 3 mm -
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