UC28025
UC28025 is Economy High-Speed PWM Controller manufactured by Texas Instruments.
- Part of the UC28023 comparator family.
- Part of the UC28023 comparator family.
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UC28023, UC28025
SLUS557G
- MARCH 2003
- REVISED DECEMBER 2016
UC2802x Economy High-Speed PWM Controller
1 Features
- 1 Peak Current Mode, Average Current Mode, or Voltage Mode (With Feed Forward) Control Methods
- Practical Operation Up to 1 MHz
- 50-ns Propagation Delay to Output
- ±1.5-A Peak Totem Pole Outputs
- 9-V to 30-V Nominal Operational Voltage
- Wide Bandwidth Error Amplifier
- Fully Latched Logic With Double Pulse
Suppression
- Pulse-by-Pulse Current Limiting
- Programmable Maximum Duty Cycle Control
- Undervoltage Lockout With Hysteresis
- Trimmed 5.1-V Reference With UVLO
- Same Functionality as UC3823 and UC3825
2 Applications
- Off-Line and DC-DC Power Supplies
- Converters Using Voltage Mode, Peak Current
Mode, or Average Current Mode Control Methods
- Single-Ended or Two-Switch Topology Designs
3...
