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NCP81274 8/7/6/5/4/3/2/1 Phase Buck Controller with PWM_VID and I2C Interface The NCP81274 is a multiphase synchronous controller optimized for new generation computing and graphics processors. The device is capable of driving up to 8 phases and incorporates differential voltage and phase current sensing, adaptive voltage positioning and PWM_VID interface t.
• Compliant with NVIDIA® OVR4+ Specifications
• Supports Up to 8 Phases
• 4.5 V to 20 V Supply Voltage Range
• 250 kHz to 1.2 MHz Switching Frequency (8 Phase)
• Power Good Output
• Under Voltage Protection (UVP)
• Over Voltage Protection (OVP)
• Over Current Protection (OCP)
• Per Phase Over Current Protection
• Startup into Pre-Charged Loads while Avoiding False OVP
• Configurable Adaptive Voltage Positioning (AVP)
• High Performance Operational Error Amplifier
• True Differential Current Balancing Sense Amplifiers for Each
Phase
• Phase-to-Phase Dynamic Current Balancing
• Current Mode Dual.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | NCP81278 |
ON Semiconductor |
Compact 2-Phase Synchronous Buck Controller |
|
| 2 | NCP81228 |
ON Semiconductor |
8 + 2 Phase Output Controller |
|
| 3 | NCP81230H |
ON Semiconductor |
Precise Low Voltage Synchronous Buck Controller |
|
| 4 | NCP81232 |
ON Semiconductor |
Dual-Channel/Multi-Phase Controller |
|
| 5 | NCP81234 |
ON Semiconductor |
Dual-Channel/Two-Phase Controller |
|
| 6 | NCP81239 |
ON Semiconductor |
USB Power Delivery 4-Switch Buck Boost Controller |
|
| 7 | NCP81239A |
ON Semiconductor |
USB Power Delivery 4-Switch Buck Boost Controller |
|
| 8 | NCP81242 |
ON Semiconductor |
Single-Phase Voltage Regulator |
|
| 9 | NCP81243 |
ON Semiconductor |
Dual Output 3 & 2 Phase Controller |
|
| 10 | NCP81245 |
ON Semiconductor |
Three-Rail Output Controller |
|
| 11 | NCP81246 |
ON Semiconductor |
Three-Rail Controller |
|
| 12 | NCP81248 |
ON Semiconductor |
Three-Rail Controller |
|