US2651 Description
The UTC US2651 is a high performance, high precision and low cost PWM Power switch for non-isolated buck application. It bines a dedicated current mode PWM controller and error amplifier for low ponent count. UTC US2651 use UTC proprietary frequency shuffling technique for EMI performance.
US2651 Key Features
- Power on soft-start
- Load pensation
- Built-in error amplifier
- Oscillator of fixed frequency with frequency-reduction control
- Frequency shuffling for EMI improvement
- Built-in Leading Edge Blanking (LEB)
- Cycle-by-Cycle current limiting
- Over loading protection
- Output short-circuit protection
- VDD Under Voltage Lockout with hysteresis (UVLO)