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ADM1041A Datasheet(PDF) 1 Page - Analog Devices

Part No. ADM1041A
Description  Secondary-Side Controller with Current Share and Housekeeping
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM1041A Datasheet(HTML) 1 Page - Analog Devices

 
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Secondary-Side Controller with
Current Share and Housekeeping
ADM1041A
Rev. 0
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
© 2005 Analog Devices, Inc. All rights reserved.
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
INTERFACE AND INTERNAL FEATURES
SMBus interface (I2C-compatible)
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
PWM
CONTROLLER
VDD
VDD
BIAS
MICRO-
CONTROLLER
VDD
VOUT
GND
OrFET
RLOAD
VDD
VS+
VS
VOUT
SHARE BUS
THERMISTOR
VDD
CS–/VLS
CCMP
VCMP
ICT
PULSE
MON2
CBD
PEN
GND
SCL
SHRO
SHRS
FG
FD
AC_OK
DC_OK
PSON
ADD0
SDA
ADM1041A
ISOLATION BARRIER
OTP
VDD
VDD
OPTIONAL
CS+
VS+
VS
SCMP
RS
Figure 1. Typical Application Circuit


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