Motor de Búsqueda de Datasheet de Componentes Electrónicos
  Spanish  ▼
ALLDATASHEET.ES

X  

LM20123 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza LM20123
Descripción Electrónicos  LM20123/LM20123Q 3A, 1.5MHz PowerWise짰 Synchronous Buck Regulator
Download  29 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

LM20123 Datasheet(HTML) 1 Page - Texas Instruments

  LM20123_15 Datasheet HTML 1Page - Texas Instruments LM20123_15 Datasheet HTML 2Page - Texas Instruments LM20123_15 Datasheet HTML 3Page - Texas Instruments LM20123_15 Datasheet HTML 4Page - Texas Instruments LM20123_15 Datasheet HTML 5Page - Texas Instruments LM20123_15 Datasheet HTML 6Page - Texas Instruments LM20123_15 Datasheet HTML 7Page - Texas Instruments LM20123_15 Datasheet HTML 8Page - Texas Instruments LM20123_15 Datasheet HTML 9Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 1 / 29 page
background image
PVIN
SW
AGND
FB
PGOOD
EN
SS/TRK
AVIN
COMP
LM20123
L
RF
VCC
PGND
CIN
RC1
CC1
VIN
CSS
CVCC
COUT
VOUT
RFB2
RFB1
CF
(optional)
LM20123
www.ti.com
SNVS524E – OCTOBER 2007 – REVISED MARCH 2013
LM20123/LM20123Q 3A, 1.5MHz PowerWise® Synchronous Buck Regulator
Check for Samples: LM20123
1
FEATURES
DESCRIPTION
The LM20123 is a full featured 1.5 MHz synchronous
2
LM20123Q is AEC-Q100 Qualified and
buck regulator capable of delivering up to 3A of
Manufactured on an Automotive Grade Flow
continuous output current. The current mode control
Input Voltage Range 2.95V to 5.5V
loop can be compensated to be stable with virtually
Accurate Current Limit Minimizes Inductor
any type of output capacitor. For most cases,
compensating the device only requires two external
Size
components, providing maximum flexibility and ease
96% Efficiency with 1.5 MHz Switching
of use. The device is optimized to work over the input
Frequency
voltage range of 2.95V to 5.5V making it suited for a
32 m
Ω Integrated FET Switches
wide variety of low voltage systems.
Starts up into Pre-Biased Loads
The device features internal over voltage protection
Output Voltage Tracking
(OVP) and over current protection (OCP) circuits for
increased system reliability. A precision enable pin
Peak Current Mode Control
and integrated UVLO allows the turn on of the device
Adjustable Output Voltage Down to 0.8V
to be tightly controlled and sequenced. Start-up
Adjustable Soft-Start with External Capacitor
inrush currents are limited by both an internally fixed
and externally adjustable Soft-Start circuit. Fault
Precision Enable Pin with Hysteresis
detection and supply sequencing is possible with the
Integrated OVP, UVLO, Power Good and
integrated power good circuit.
Thermal Shutdown
The LM20123 is designed to work well in multi-rail
HTSSOP (16-Pins) Exposed Pad Package
power supply architectures. The output voltage of the
device can be configured to track a higher voltage rail
APPLICATIONS
using the SS/TRK pin. If the output of the LM20123 is
Simple to Design, High Efficiency Point of
pre-biased at startup it will not sink current to pull the
Load Regulation from a 5V or 3.3V Bus
output low until the internal soft-start ramp exceeds
the voltage at the feedback pin.
High Performance DSPs, FPGAs, ASICs and
Microprocessors
The LM20123 is offered in a 16-pin HTSSOP
package with an exposed pad that can be soldered to
Broadband, Networking and Optical
the PCB, eliminating the need for bulky heatsinks.
Communications Infrastructure
Typical Application Circuit
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 © 2007–2013, 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.


Número de pieza similar - LM20123_15

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
National Semiconductor ...
LM20123MH NSC-LM20123MH Datasheet
581Kb / 20P
   3A, 1.5MHz PowerWise짰 Synchronous Buck Regulator
LM20123MH NSC-LM20123MH Datasheet
581Kb / 20P
   3A, 1.5MHz PowerWise짰 Synchronous Buck Regulator
logo
Texas Instruments
LM20123MH TI-LM20123MH Datasheet
1Mb / 29P
[Old version datasheet]   LM20123/LM20123Q 3A, 1.5MHz PowerWise Synchronous Buck Regulator
logo
National Semiconductor ...
LM20123MHE NSC-LM20123MHE Datasheet
581Kb / 20P
   3A, 1.5MHz PowerWise짰 Synchronous Buck Regulator
LM20123MHE NSC-LM20123MHE Datasheet
581Kb / 20P
   3A, 1.5MHz PowerWise짰 Synchronous Buck Regulator
More results

Descripción similar - LM20123_15

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Texas Instruments
LM20123MH TI-LM20123MH Datasheet
1Mb / 29P
[Old version datasheet]   LM20123/LM20123Q 3A, 1.5MHz PowerWise Synchronous Buck Regulator
logo
National Semiconductor ...
LM20123 NSC-LM20123_08 Datasheet
581Kb / 20P
   3A, 1.5MHz PowerWise짰 Synchronous Buck Regulator
LM20123 NSC-LM20123 Datasheet
581Kb / 20P
   3A, 1.5MHz PowerWise짰 Synchronous Buck Regulator
LM20143 NSC-LM20143 Datasheet
703Kb / 20P
   3A, PowerWise짰 Adjustable Frequency Synchronous Buck Regulator
logo
Texas Instruments
LM20143 TI1-LM20143_14 Datasheet
1Mb / 30P
[Old version datasheet]   3A, PowerWise짰 Adjustable Frequency Synchronous Buck Regulator
logo
National Semiconductor ...
LM20133 NSC-LM20133_08 Datasheet
710Kb / 22P
   3A, PowerWise짰 Synchronous Buck Regulator with Input Synchronization
LM20133 NSC-LM20133 Datasheet
710Kb / 22P
   3A, PowerWise짰 Synchronous Buck Regulator with Input Synchronization
LM20323 NSC-LM20323 Datasheet
487Kb / 20P
   36V, 3A PowerWise짰 500 kHz Synchronous Buck Regulator
LM20333 NSC-LM20333 Datasheet
520Kb / 20P
   36V, 3A PowerWise짰 Synchronous Buck Regulator with Frequency Synchronization
logo
ACE Technology Co., LTD...
ACE723A ACE-ACE723A Datasheet
643Kb / 8P
   3A 1.5MHz 5.5V Synchronous Buck Converter
VER 1.3
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29


Datasheet Descarga

Go To PDF Page


Enlace URL




Política de Privacidad
ALLDATASHEET.ES
¿ALLDATASHEET es útil para Ud.?  [ DONATE ] 

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com