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MT7963 PDF Data sheet ( 特性 )

部品番号 MT7963
部品説明 Dual Winding PSR AC-DC LED Driver
メーカ Maxic Technology
ロゴ Maxic Technology ロゴ 



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MT7963 Datasheet, MT7963 PDF,ピン配置, 機能
Maximizing IC Performance
MT7963
High Accuracy, Dual Winding PSR AC-DC LED Driver
DESCRIPTION
MT7963 is a PWM controller for AC-DC LED
lighting. With primary side sensing and
regulation technology, no secondary side
feedback circuit is needed. Further, the loop
compensation components are also eliminated
while maintaining system stability. Integrated
with 650V power switch simplifies the system
design and improves the reliablity.
With Maxics proprietary current regulation
technique, the MT7963 achieves ±5% accuracy
of LED current along with excellent line
regulation and load regulation.
MT7963 provides plenty of protections, such as
such as over current protection(OCP), short
circuit protection (SCP)over voltage protection
(OVP) and over temperature protection(OTP),etc,
to ensure system reliability.
FEATURES
Build in 650V power MOSFET
No auxiliary winding needed
Supporting 85V to 265V AC line voltage
range
Primary side sensing and regulation, no
need of secondary side feedback
High precision constant LED current (+/-5%)
Cycle-by-cycle peak current control
LED short-circuit protection
VDD under voltage lock-out protection
Over temperature protection
Available in SOP8 package
APPLICATION
LED bulb, Spotlight
LED lighting application
General purpose constant current source
Typical Application Circuit
NP:NS
LED+
Vin_ac
CBUS
CVCC RCS
MT7963
3 VCC
1
CS
4 SW
2
GND
8
NC
NC 7
DRAIN 6
5
DRAIN
LED-
MT7963 Rev. 1.15
www.maxictech.com
Copyright © 2015 Maxic Technology Corporation
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