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LM25010 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza LM25010
Descripción Electrónicos  LM25010/LM25010Q 42V, 1.0A Step-Down Switching Regulator
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

LM25010 Datasheet(HTML) 1 Page - Texas Instruments

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VIN
SW
BST
LM25010
VCC
SS
RON/SD
6V - 42V
Input
C1
RON
R2
R1
C2
VOUT
L1
C3
C4
D1
C6
RTN
ISEN
SGND
FB
SHUTDOWN
R3
LM25010
www.ti.com
SNVS419D – DECEMBER 2005 – REVISED FEBRUARY 2013
LM25010/LM25010Q 42V, 1.0A Step-Down Switching Regulator
Check for Samples: LM25010
1
FEATURES
PACKAGE
2
Wide 6V to 42V Input Voltage Range
WSON-10 (4 mm x 4 mm)
Valley Current Limiting At 1.25A
HTSSOP-14EP
Programmable Switching Frequency Up To 1
Both packages have exposed thermal pad for
MHz
improved heat dissipation
Integrated N-Channel Buck Switch
DESCRIPTION
Integrated High Voltage Bias Regulator
The LM25010 features all the functions needed to
No Loop Compensation Required
implement a low cost, efficient, buck regulator
Ultra-Fast Transient Response
capable of supplying in excess of 1A load current.
This high voltage regulator integrates an N-Channel
Nearly Constant Operating Frequency With
Buck Switch, and is available in thermally enhanced
Line and Load Variations
WSON-10
and
HTSSOP-14EP
packages.
The
Adjustable Output Voltage
constant on-time regulation scheme requires no loop
2.5V, ±2% Feedback Reference
compensation
resulting
in
fast
load
transient
response and simplified circuit implementation. The
Programmable Soft-Start
operating frequency remains constant with line and
Thermal shutdown
load
variations
due
to
the
inverse
relationship
LM25010Q is AEC-Q100 Grade 1 & 0 qualified
between the input voltage and the on-time. The valley
current limit detection is set at 1.25A. Additional
TYPICAL APPLICATIONS
features include: VCC under-voltage lock-out, thermal
shutdown, gate drive under-voltage lock-out, and
Non-Isolated Telecommunications Regulator
maximum duty cycle limiter.
Secondary Side Post Regulator
Automotive Electronics
BASIC STEP-DOWN REGULATOR
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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