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LM2852XMXAX-1.8 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza LM2852XMXAX-1.8
Descripción Electrónicos  2A 500/1500kHz Synchronous SIMPLE SWITCHER짰 Buck Regulator
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2852XMXAX-1.8 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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LM2852
2A 500/1500kHz Synchronous SIMPLE SWITCHER® Buck
Regulator
General Description
The LM2852 SIMPLE SWITCHER® synchronous buck regu-
lator is a high frequency step-down switching voltage regu-
lator capable of driving up to a 2A load with excellent line and
load regulation. The LM2852 can accept an input voltage
between 2.85V and 5.5V and deliver an output voltage that is
factory programmable from 0.8V to 3.3V in 100mV incre-
ments. The LM2852 is available with a choice of two switch-
ing frequencies - 500kHz (LM2852Y) or 1.5MHz (LM2852X).
It also features internal, type-three compensation to deliver a
low component count solution. The exposed-pad TSSOP-14
package enhances the thermal performance of the LM2852.
Features
n
Input voltage range of 2.85 to 5.5V
n
Factory EEPROM set output voltages from 0.8V to 3.3V
in 100mV increments
n
Maximum load current of 2A
n
Voltage Mode Control
n
Internal type-three compensation
n
Switching frequency of 500kHz or 1.5MHz
n
Low standby current of 10µA
n
Internal 60 m
Ω MOSFET switches
n
Standard voltage options 0.8/1.0/1.2/1.5/1.8/2.5/3.3 volts
Applications
n
Low voltage point of load regulation
n
Local solution for FPGA/DSP/ASIC core power
n
Broadband networking and communications
infrastructure
n
Portable computing
Typical Application Circuit
20127001
20127002
SIMPLE SWITCHER®
SIMPLE SWITCHERreg; is a registered trademark of National Semiconductor Corporation
October 2006
© 2006 National Semiconductor Corporation
DS201270
www.national.com


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