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AC/DC Product
Ultra Low Standby Power Product
Primary Side Regulation Product
OB2520 Series
OB253X Series
OB221X Series
QR Mode PWM Controller Product
Small & Medium Power PWM Product
Medium Power PWM Controller
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
Primary Side Regulation Product
Primary Side Regulation Controller
Product Number CV CC Drive Device Max Oper. Frequency Standby Power Max Vdd Freq. Shuffling Inductance Compensation Cable Compen-sation Package
 OB2520 5% 6% BJT 100kHz <30mW 28V Y Y Y SOT23-6
 OB2520D 5% 6% BJT 100kHz <150mW 28V Y Y Y SOT23-6
 OB2520M 5% 6% MOSFET 100kHz <200mW 28V Y Y Y SOT23-6
 OB2532 5% 5% MOSFET 55kHz <200mW 28V Y Y Y SOT23-6
 OB2531 5% 5% MOSFET 90kHz <200mW 28V Y Y Y SOT23-6
Primary Side Regulation Power Switch
Product Number CV CC RDS(on) Max Oper. Frequency Standby Power Max Vdd Freq. Shuffling Inductance Compensation Cable Compen-sation OLP/ SCP Package
 OB2535/E 5% 10% 12Ω 55kHz <200mW 28V Y Y A Y SOP8
 OB2536/E 5% 10% 12Ω 55kHz <200mW 28V Y Y A Y DIP8
 OB2538/E 5% 10% 55kHz <200mW 28V Y Y A Y DIP8
 OB2539 5% 10% 90kHz <200mW 28V Y Y A Y DIP8
 OB2211 20% 25% 12Ω 50kHz <300mW 30V Y -- A -- SOP8
 OB2211H 20% 20% 12Ω 50kHz <300mW 30V Y -- A -- SOP8
 OB2212 20% 20% 12Ω 50kHz <300mW 30V Y -- A -- DIP8
 OB2216 20% 20% 50kHz <300mW 30V Y -- A -- DIP8
L:Latch; A:Auto-recovery
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