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LM2825 Fiches technique(PDF) 1 Page - Texas Instruments

No de pièce LM2825
Description  LM2825 Integrated Power Supply 1A DC-DC Converter
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

LM2825 Fiches technique(HTML) 1 Page - Texas Instruments

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LM2825
www.ti.com
SNVS127C – MAY 1997 – REVISED APRIL 2013
LM2825 Integrated Power Supply 1A DC-DC Converter
Check for Samples: LM2825
1
FEATURES
DESCRIPTION
The LM2825 is a complete 1A DC-DC Buck converter
Minimum Design Time Required
packaged in a 24-lead molded Dual-In-Line integrated
3.3V, 5V and 12V Fixed Output Versions
circuit package.
Two Adjustable Versions Allow 1.23V to 15V
Contained within the package are all the active and
Outputs
passive components for a high efficiency step-down
Wide Input Voltage Range, up to 40V
(buck) switching regulator. Available in fixed output
voltages of 3.3V, 5V and 12V, as well as two
Low-Power Standby Mode, IQ Typically 65 μA
adjustable versions, these devices can provide up to
High Efficiency, Typically 80%
1A of load current with fully ensured electrical
±4% Output Voltage Tolerance
specifications.
Excellent Line and Load Regulation
Self-contained, this converter is also fully protected
TTL Shutdown Capability/Programmable Soft-
from output fault conditions, such as excessive load
Start
current, short circuits, or excessive temperatures.
Thermal Shutdown and Current Limit
Protection
−40°C to +85°C Ambient Temperature Range
APPLICATIONS
Simple High-Efficiency Step-Down (Buck)
Regulator
On-Card Switching Regulators
Efficient Pre-Regulator for Linear Regulators
Standard Application
Distributed Power Systems
(Fixed output voltage versions)
DC/DC Module Replacement
HIGHLIGHTS
No External Components Required (Fixed
Output Voltage Versions)
Integrated Circuit Reliability
MTBF Over 20 Million Hours
Radiated EMI Meets Class B Stipulated by
Radiated EMI
CISPR 22
Radiated
emission
of
electromagnetic
fields
is
High Power Density, 35 W/in3
measured at 10m distance. The emission levels are
within the Class B limits stipulated by CISPR 22.
24-pin PDIP Package Profile (1.25 x 0.54 x 0.26
Inches)
30. . . .230 MHz
30 dB
μV/m
230. . . .1000 MHz
37 dB
μV/m
1. . . .10 GHz
46 dB
μV/m
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 1997–2013, 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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