ME8107
V02
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Current Mode PWM Controller With Frequency Shuffling ME8107
General
Description Features
ME8107 integrates a PWM controller and high
voltage power MOSFET of 600V. ME8107 has the
features of very low standby power (<100mW) when
AC power above 220Vac. and cost effective offline
flyback converter applications in 18W range.
ME8107 offers complete protection coverage with
automatic self-recovery feature including
Cycle-by-Cycle current limiting (OCP), CS short
protection, over load protection (OLP), and VDD
under voltage lockout (UVLO) and latch feature
including over voltage (fixed or adjustable)
protection(OVP). Excellent EMI performance is
achieved with frequency shuffling technique together
with soft switching control at the totem pole gate
drive output. Tone energy at below 20KHz is
minimized in the design and audio noise is eliminated
during operation.
Typical Application
Offline AC/DC flyback converter for
z
Switching AC/DC Power battery charge
z
Digital cameras and camcorder adapter
z
Set-top
box
power
z
Auxiliary power supply for PC and server
z
Open-frame
SMPS
●
Power on Soft Start Reducing MOSFET V
DS
Stress
●
Frequency shuffling for EMI
●
Audio Noise Free Operation
●
Extended Burst Mode Control For Improved
Efficiency and Minimum Standby Power Design
●
Internal Synchronized Slope Compensation
●
Fixed 65KHz Switching Frequency
●
Good protection coverage with auto self-recovery
﹡
VDD Under Voltage Lockout with Hysteresis
(UVLO)
﹡
Cycle-by-cycle over current threshold setting for
constant output power limiting over universal
input voltage range
﹡
Overload Protection (OLP) with auto-recovery
﹡
VDD Over voltage Protection(OVP) with latch shut
down
﹡
Adjustable OVP through external Zener
﹡
CS floating protection with auto-recovery
﹡
CS short protection with auto-recovery
●
Available in DIP8 package
Selection Guide
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