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UC1856-SP Improved Current-Mode PWM Controller
SLUSBV6
- APRIL 2014
1 Features
- 1 Pin-for-Pin patible With the UC1846
- 65-ns Typical Delay From Shutdown to Outputs, and 50-ns Typical Delay From SYNC to Outputs
- Improved Current-Sense Amplifier With Reduced
Noise Sensitivity
- Differential Current Sense with 3-V mon-
Mode Range
- Trimmed-Oscillator Discharge Current for
Accurate Deadband Control
- Accurate 1-V Shutdown Threshold
- High-Current Dual Totem-Pole Outputs (1.5-A peak)
- TTL patible Oscillator SYNC Pin Thresholds
- 4-kV ESD Protection
2 Applications
- DC-DC Converters
-...
