UC2527A
Features
- 1 8-V to 35-V Operation
- 5.1-V Reference Trimmed to 1%
- 100-Hz to 500-k Hz Oscillator Range
- Separate Oscillator Sync Terminal
- Adjustable Dead-Time Control
- Internal Soft Start
- Pulse-by-Pulse Shutdown
- Input Undervoltage Lockout With Hysteresis
- Latching PWM to Prevent Multiple Pulses
- Dual Source and Sink Output Drivers
2 Applications
- Off-Line and DC/DC Power Supplies
- Converters Using Voltage Mode
- Single-Ended or Two-Switch Topology Designs
- Solar Inverters
- Welding Inverters
- Motor Control
- Battery Chargers
Block Diagram
OSC VREF OUT
16 4
+VIN 15 GROUND 12
SYNC 3 RT 6 CT 5
DISCHARGE 7
Reference Regulator
To Internal Circutry
UVLO Lockout
Flip Flop
PENSATION 9 INV INPUT 1 NI INPUT 2
SOFTSTART 8
Error Amp
3 kŸ SHUTDOWN 10
VREF
SR PWM Latch
50 µA
5...
