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LM3100MH датащи(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
номер детали LM3100MH
подробное описание детали  SIMPLE SWITCHER짰 Synchronous 1MHz 1.5A Step-Down Voltage Regulator
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3100MH датащи(HTML) 1 Page - National Semiconductor (TI)

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LM3100
SIMPLE SWITCHER® Synchronous 1MHz 1.5A
Step-Down Voltage Regulator
General Description
The LM3100 Synchronously Rectified Buck Converter fea-
tures all functions needed to implement a highly efficient,
cost effective buck regulator capable of supplying 1.5A to
loads with voltages as low as 0.8V. Dual 40V N-Channel
synchronous MOSFET switches allow for low external com-
ponent thus reducing complexity and minimizing board
space. The LM3100 is designed to work exceptionally well
with ceramic and other very low ESR output capacitors. The
Constant ON-Time (COT) regulation scheme requires no
loop compensation, results in fast load transient response,
and simplifies circuit implementation. Through the use of a
unique design the regulator does not rely on output capacitor
ESR for stability, as do most other COT regulators. The
operating frequency remains nearly constant with line and
load variations due to the inverse relationship between the
input voltage and the on-time. The oprating frequency can
be externally programmed up to 1MHz. Protection features
include V
CC under-voltage lockout, thermal shutdown and
gate drive under-voltage lockout. The part is available in a
thermally enhanced eTSSOP-20 package
Features
n
Input voltage range 4.5V - 36V
n
1.5A output current
n
0.8V, ±1.5% reference
n
Integrated 40V, dual N-Channel buck synchronous
switches
n
Low component count and small solution size
n
No loop compensation required
n
Ultra-fast transient response
n
Stable with ceramic and other low ESR capacitors
n
Programmable switching frequency up to 1MHz
n
Max. duty cycle limited during start-up
n
Valley current limit
n
Precision Internal Reference for adjustable output
voltage down to 0.8V
n
Thermal shutdown
n
Thermally enhanced eTSSOP-20 package
Typical Applications
n
5VDC, 12VDC, 24VDC, 12VAC, and 24VAC systems
n
Embedded Systems
n
Industrial Controls
n
Automotive Telematics and Body Electronics
n
Point of Load Regulators
n
Storage Systems
n
Broadband Infrastructure
n
Direct Conversion from 2/3/4 Cell Lithium Batteries
Systems
Typical Application
20174702
SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation
February 2006
© 2006 National Semiconductor Corporation
DS201747
www.national.com


Аналогичный номер детали - LM3100MH

производительномер деталидатащиподробное описание детали
logo
National Semiconductor ...
LM3100MH NSC-LM3100MH Datasheet
3Mb / 18P
   SIMPLE SWITCHER짰 Synchronous 1MHz 1.5A Step-Down Voltage Regulator
logo
Texas Instruments
LM3100MH TI1-LM3100MH Datasheet
2Mb / 21P
[Old version datasheet]   SIMPLE SWITCHER짰 Synchronous 1MHz 1.5A Step-Down Voltage Regulator
LM3100MH/NOPB TI1-LM3100MH/NOPB Datasheet
2Mb / 21P
[Old version datasheet]   SIMPLE SWITCHER짰 Synchronous 1MHz 1.5A Step-Down Voltage Regulator
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National Semiconductor ...
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3Mb / 18P
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Texas Instruments
LM3100MHX TI1-LM3100MHX Datasheet
2Mb / 21P
[Old version datasheet]   SIMPLE SWITCHER짰 Synchronous 1MHz 1.5A Step-Down Voltage Regulator
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Аналогичное описание - LM3100MH

производительномер деталидатащиподробное описание детали
logo
National Semiconductor ...
LM3100 NSC-LM3100_07 Datasheet
3Mb / 18P
   SIMPLE SWITCHER짰 Synchronous 1MHz 1.5A Step-Down Voltage Regulator
logo
Texas Instruments
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Texas Instruments
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