OB2276 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications.
Features:
◆ Power on Soft Start Reducing MOSFET Vds Stress
◆ Frequency shuffling for EMI
◆ Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design
◆ Audio Noise Free Operation
◆ Fixed 65KHZ Switching Frequency
◆ Comprehensive Protection Coverage
◇ 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
◇ Brownout Protection with auto-recovery
◇ Fixed VDD OVP with latch shut down
◇ Adjustable VDD OVP with latch shut down
◇ Over Temperature Protection with latch shut down
◇ Output Over Voltage Protection with latch shut down
◆ Available in SOP8 packages, RoHS compliant
Applications:
Offline AC/DC flyback converter for
◆ Battery Charger
◆ Power Adapter
◆ Set-Top Box Power Supplies
◆ Open-frame SMPS
Device | VDD OVP | OTP | Load OVP |
OB2276 | Latch | Latch | Latch |
OB2276A | Auto-recovery | Auto-recovery | Auto-recovery |
Typical Application:
德利佳电子经营泉芯系列品牌：QX2303 QX2304 QX5241 QX5243 QX5305 QX7135QX7136 QX9920 QX5252 QX5253 QX5278
经营芯龙系列品牌：XL1509XL1507 XL2596 XL2576 XL2576P XL1410 XL1583XL1513 XL1530 XL4012 XL4013 XL4015 XL4016 XL7005 XL7006 XL4001 XL4002XL4101 XL4102 XL4008 XL6002 XL2005 XL2010 XL6007 XL6008 XL6009 XL6012
XL6001 XL6003 XL6004 XL6005 XL6006 XL8001 XL8002 XL8003 XL8004 XL3002...
矽睿：LM2576S LM2596S LM2596S LM1084 LM1084 SWH629 SWF431
MC34063A MC34063B MC34063C MC34063C TD1529T TD1519A TD2778
SWH1801 SWN4054 SWN4054 SWK4056 SWF2302 SWF2305 SWF2306 SWF3400 SWK4410 SWK9926 LT4946C SWK4407 SWK4435 SWR444 SWR516 SWR8743 SWR403 SWR407 SWR409
晶丰明源：BP3319,BP1601，BP1360，BP2309BP2808 BP2812 BP2818 BP2822 BP3102 BP3108 BP3309..
上海裕芯：YX805 YX861 YX862 YX818 YX606 YX818 YX8182 YX8019 YX603 YX605 YX601
南麟：LN2544 LN2542…
赛威：SF6771 SF1530L67 SF5928SDP SFL900SGT SF1565SGT SF5926SDP SF1563 SF1560 SF1565 SF5545B…
富满：FM6316 SC308 DTC26089017…
台湾远翔：FP6291，FP6293，FP5139，FP5138
南京芯力微：CE8303
南京拓微：TP4054,TP4055,TP4056,TP4057
南京微盟：ME2108,ME2109,ME2180,ME6206,ME6219,ME4056
无锡硅动力：SP5610，SP5615，SP5616，SP5618，SP5619...
鼎日MOS管：DUT15N10,DTU40N06,DTU40N10,DTS6400,DTC3058,
ME15N10,ME80N75T,ME45N10T,ME75N80C,ME70N03S,ME2306
SI2300,2301.2302,2303,2304,2305,2306,2307,2308,2309,
2312,2323,...AO3400,3401,3402,3403..
型号繁多，不能详录。欢迎来电咨询。
联系人：林伟宏 QQ2561588028 电话：0755-83227858