UC2825A-EP - Texas Instruments

UC2825A-EP HIGH-SPEED PWM CONTROLLER

ORDERING INFORMATION The UC2825A-EP pulse width modulation (PWM) controller is an improved version of the standard UC2825. Performance enhancements have been made to several of the circuit blocks. Error amplifier gain bandwidth product is 12 MHz, while input offset voltage is 2 mV. Current-limit threshold is specified to a tolerance of 5%. Oscillator dischar.

Features

1
• Improved Version of the UC2825 PWM
• Compatible With Voltage-Mode or Current-Mode Control Methods
• Practical Operation at Switching Frequencies to 1 MHz
• 50-ns Propagation Delay to Output
• High-Current Dual Totem-Pole Outputs (2-A Peak)
• Trimmed Oscillator Discharge Current
• Low 100-mA Startup Current
• Pulse-by-Pulse Current-Limiting Comparator
• Latched Overcurrent Comparator With Full Cycle Restart SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
• Controlled Baseline
• One Assembly/Test Site
• One Fabrication Site
• Available in Military (
  –55°C/125°C) Temperature Range(1)
• .