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UC3825B

ACTIVE

30V, 2A double ended 1MHz PWM controller with 16V/10V UVLO and 50% duty cycle, 0C to 70C

Product details

Topology Boost, Buck, Flyback, Forward, Full bridge, Half bridge, Push pull Control mode Current, Voltage Duty cycle (max) (%) 50 Switching frequency (max) (kHz) 1000 Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Leading edge blanking, Multi-topology, Programmable max duty cycle, Soft start, Synchronization pin UVLO thresholds on/off (V) 16/10 Operating temperature range (°C) 0 to 70 Rating Catalog Gate drive (typ) (A) 2 Vin (max) (V) 22
Topology Boost, Buck, Flyback, Forward, Full bridge, Half bridge, Push pull Control mode Current, Voltage Duty cycle (max) (%) 50 Switching frequency (max) (kHz) 1000 Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Leading edge blanking, Multi-topology, Programmable max duty cycle, Soft start, Synchronization pin UVLO thresholds on/off (V) 16/10 Operating temperature range (°C) 0 to 70 Rating Catalog Gate drive (typ) (A) 2 Vin (max) (V) 22
PDIP (N) 16 181.42 mm² 19.3 x 9.4 SOIC (DW) 16 106.09 mm² 10.3 x 10.3
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Technical documentation

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Type Title Date
* Data sheet High-Speed PWM Controller datasheet (Rev. F) PDF | HTML 14 Jul 2022
Application note U-110 1.5 Mhz Current Mode IC Controlled 50-Watt Power Supply 05 Sep 1999
Application note U-128 The UC3823A,B and UC3825A,B Enhanced Generation of PWM Controllers 05 Sep 1999

Design & development

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PDIP (N) 16 View options
SOIC (DW) 16 View options

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