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AC/DC Product
Ultra Low Standby Power Product
Primary Side Regulation Product
QR Mode PWM Controller Product
Small & Medium Power PWM Product
OB235X Series
OB2361
OB2262/OB2263
Medium Power PWM Controller
OB2268/OB2269
OB2278/OB2279
OB2287/OB2288
OB2298
PFC Controller
TM PFC+QR Combo Controller
 
Lighting and Backlight Driver IC Product
LED Lighting Driver
LED Backlight Driver
CCFL Backlight Driver
 
MCU Products
Standard Package Series
Low-Pin-Count Package
PWM Controller IC Product
PWM Controller IC
Product Number Topo-logy Oper. Freq. Max Vdd Freq. Shuffling Standby Power VDD OVP Power on Soft-start OLP/ SCP OTP Brown-out PFC Control Package
 OB5269 Flyback 65kHz 26V Y <100mW L Y A L -- -- SOP8
 OB5269B Flyback 65kHz 26V Y <50mW L Y A -- Y -- SOP8
 OB2273 Flyback 65kHz 28V Y <100mW L Y A L -- -- SOT23-6
 OB2273A Flyback 65kHz 28V Y <100mW A Y A A -- -- SOT23-6
 OB2273B Flyback 65kHz 28V Y <100mW A Y A -- Y -- SOT23-6
 OB2273F Flyback External 28V -- <100mW A Y A -- -- -- SOT23-6
 OB2273N Flyback External 28V Y <100mW A Y A -- -- -- SOT23-6
 OB2361 Flyback Varible 28V Y <0.3W A Y A -- -- -- SOT23-6
 OB2361P Flyback Varible 28V Y <100mW A Y A -- -- -- SOT23-6
 OB2262 Flyback External 30V -- <0.3W A Y A -- -- -- SOT23-6
 OB2263 Flyback External 30V Y <0.3W A Y A -- -- -- SOT23-6
 OB2268 Flyback External 25V -- <0.3W A -- A A -- -- SOP8/DIP8
 OB2269 Flyback External 25V Y <0.3W A -- A A -- -- SOP8/DIP8
 OB2278 Flyback External 28V -- <0.3W L Y A/L A/L -- -- SOP8/DIP8
 OB2279 Flyback External 28V -- <0.3W L Y A/L A/L -- -- SOP8/DIP8
 OB2287 Flyback External 28V Y <0.3W L Y A A/L Y -- SOP8/DIP8
 OB2288 Forward External 28V Y <0.3W L Y A A/L Y -- SOP8/DIP8
 OB2298 Flyback 65kHz 28V Y <0.3W L Y A A/L Y Y SOP8/DIP8
PWM Power Switch
Product Number HV Startup Oper. Freq. RDS(on) Freq. Shuffling Standby Power Power on Soft-start Max Vdd OTP VDD OVP OLP/SCP Package
 OB5222 HV 65kHz Y <30mW Y 26V Y L A DIP8
 OB5225 HV 65kHz Y <30mW Y 26V Y L A DIP8
 OB2353/L -- 50kHz 12Ω Y <0.3W Y 28V/23V Y A A SOP8
 OB2354/L -- 50kHz 12Ω Y <0.3W Y 28V/23V Y A A DIP8
 OB2356/L -- 100kHz 12Ω Y <0.3W Y 28V/23V Y A A SOP8
 OB2357/L -- 100kHz 12Ω Y <0.3W Y 28V/23V Y A A DIP8
 OB2358/L -- 50kHz Y <0.3W Y 28V/23V Y A A DIP8
L:Latch; A:Auto-recovery
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