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FAN6861TY Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part # FAN6861TY
Description  Low-Cost, Highly Integrated, Green-Mode PWM Controller for Peak Power Management
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN6861TY Datasheet(HTML) 1 Page - Fairchild Semiconductor

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May 2009
© 2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6861 • Rev. 1.0.1
FAN6861
Low-Cost, Highly Integrated, Green-Mode PWM
Controller for Peak Power Management
Features
Low Startup Current: 15µA Maximum
Green-Mode and Burst-Mode Operation for Low
Standby Power Consumption
Internal Soft Start: 10ms
Frequency Hopping for EMI Reduction
Peak-Current Mode Control with Cycle-by-Cycle
Current Limiting
Constant Output Power Limit (Full AC Input Range)
Built-in Slope Compensation
Two-Level Over-Current Protection (OCP) with
Delayed Shutdown (780ms) for Peak Power
Management
Open-Loop / Over-Load Protection (OLP)
VDD Over-Voltage Protection (OVP)
Programmable Over-Temperature Protection (OTP)
Applications
Switched Mode Power Supply (SMPS) with Motor
Load; such as for printer, scanner, motor drivers,
etc.
AC/DC Adapters
Open-Frame SMPS
Description
Highly
integrated
PWM
controller,
FAN6861
is
optimized for applications with motor load; such as
printer and scanner, which inherently impose some kind
of overload condition on the power supply during
acceleration mode. The two-level OCP function allows
the SMPS to stably deliver peak power during the motor
acceleration mode without causing premature shutdown
and while protecting the SMPS from overload condition.
The green-mode and burst-mode functions with a low
operating current (2.2mA maximum in green mode)
maximize the light load efficiency so that the power
supply can meet most stringent standby power
regulations.
The frequency-hopping function helps reduce electro-
magnetic interference (EMI) of a power supply by
spreading the energy over a wider frequency range.
The constant power limit function; minimizes the
components stress in abnormal condition and helps
designer to optimize the power stage more easily.
Many protection functions such; as OCP, OLP, OVP
and OTP, are fully integrated into FAN6861, which
improves the SMPS reliability without increasing the
system cost.
Ordering Information
Part Number
Operating Temperature Range
Eco Status
Package
Packing Method
FAN6861TY
-40 to +105°C
Green
SSOT-6
Tape & Reel
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.


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