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PDF ADP1043 Data sheet ( Hoja de datos )
| Número de pieza | ADP1043 | |
| Descripción | Digital Controller | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Digital Controller
for Isolated Power Supply Applications
Preliminary Technical Data
ADP1043
FEATURES
Integrates all typical controller functions
Digital control loop
Remote and local voltage sense
Primary and secondary side current sense
PWM control
Synchronous rectifier control
www.DataSheet4UH.ocot-mswap sense and control
Current sharing
Integrated programmable loop filter
I2C interface
Extensive fault detection and protection
Extensive programming
Fast calibration
8 Kb EEPROM
Standalone or microcontroller control
APPLICATIONS
AC/DC power supplies
Isolated dc/dc power supplies
Redundant power supplies
Parallel power supplies
Server, storage, network, and communications infrastructure
PRODUCT OVERVIEW
The ADP1043 is a secondary side power supply controller IC
that is designed to provide all the functions that are typically
needed in an isolated ac/dc or dc/dc control application.
The ADP1043 is optimized for minimal component count,
maximum flexibility, and minimum design time. Features
include remote voltage sense, local voltage sense, primary and
secondary side current sense, PWM generation, and hot-swap
sense and control. The control loop is digital, with an integrated
programmable digital filter. Protection features include current
limiting, ac sense, UVLO, and OVP (overvoltage protection).
The built-in EEPROM provides extensive programming of the
integrated loop filter, PWM signal timing, inrush current, soft
start timing and sequencing. Reliability is improved through a
built-in checksum and redundancy of critical circuits.
A comprehensive GUI is provided for easy design of loop filter
characteristics and programming of the safety features. The
industry-standard I2C bus gives access to the many monitoring
and system test functions.
The ADP1043 is available in a 32-lead LFCSP package and
operates from a single 3.3 V supply.
PFC
AC
INPUT
LOAD
DRIVER
ADuM1400
DRIVER
DRIVER
SR1 SR2 ACSNS CS2+ CS2–
CS1
PGND VS1
GATE
VS2
VS3+
OUTA
OUTB
OUTC
OUTD
OUTAUX
ADP1043
RES ADD RTD VCORE FLAGIN PSON PGOOD2 PGOOD1 SDA SCL
VS3–
SHAREo
SHAREi
VDD DGND AGND
VDD
MICROCONTROLLER
Figure 1. Typical Application Circuit
Rev. PrA
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.
1 page  
Preliminary Technical Data
OUTLINE DIMENSIONS
ADP1043
www.DataSheet4U.com
PIN 1
INDICATOR
5.00
BSC SQ
TOP
VIEW
4.75
BSC SQ
12° MAX
0.80 MAX
0.65 TYP
0.60 MAX
0.50
BSC
0.50
0.40
0.30
0.60 MAX
25
24
32
1
PIN 1
INDICATOR
EXPOSED
PAD
(BOTTOM VIEW)
3.25
3.10 SQ
2.95
17 8
16 9
0.25 MIN
3.50 REF
1.00
0.85
0.80
SEATING
PLANE
0.30
0.23
0.18
0.05 MAX
0.02 NOM
0.20 REF
COPLANARITY
0.08
COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2
Figure 4. Mechanical Package Dimensions
Rev. PrA | Page 5 of 8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ADP1043.PDF ] | |
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