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Analog Devices - Secondary-Side Controller

Numéro de référence ADM1041
Description Secondary-Side Controller
Fabricant Analog Devices 
Logo Analog Devices 





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ADM1041 fiche technique
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PRODUCT FEATURES
Digital calibration via internal EEPROM
Supports SSI specification
Comprehensive fault detection
Reduced component count on secondary side
Standalone or microcontroller control
SECONDARY-SIDE FEATURES
Generates error signal for primary-side PWM
Output voltage adjustment and margining
Current sharing
Current limit adjustment
OrFET control
Programmable soft-start slew rate
Standalone or microcontroller operation
Differential load voltage sense
AC mains undervoltage detection (ac sense)
Overvoltage protection
RS
PWM
CONTROLLER
VDD
VDD
VDD
BIAS
VDD
THERMISTOR
OTP
Secondary-Side Controller with
Current Share and Housekeeping
ADM1041
INTERFACE AND INTERNAL FEATURES
SMBus interface (I2C compatible)
Low-drift precision 2.5 V reference
Voltage error amplifier
Differential current sense
Sense resistor or current transformer option
Overvoltage protection
Undervoltage protection
Overcurrent protection
Overtemperature protection
Start-up undervoltage blanking
Programmable digital debounce and delays
352-byte EEPROM available for field data
160-byte EEPROM for calibration
Ground continuity monitoring
APPLICATIONS
Network servers
Web servers
Power supply control
OrFET
VOUT
RLOAD
VDD
ADM1041
CBD
FG
CS–/VLS
CS+
VDD
VCMP
ICT
FD
SHRO
SHRS
VS+
VS
PULSE AC_OK
MON2 DC_OK
PEN
PSON
CCMP
SCMP
ADD0
SCL
GND
SDA
GND
SHARE BUS
VDD
VOUT
VS+
VS
MICRO-
CONTROLLER
OPTIONAL
ISOLATION BARRIER
Figure 1. Typical Application Circuit
Rev. A
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. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.

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