PWM DC/DC Voltage Regulator Controller The ISL62870HRUZ-T is a power management IC manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** INTERSIL
- **Part Number:** ISL62870HRUZ-T
- **Package:** 40-Lead QFN (6x6 mm)
- **Input Voltage Range:** 4.5V to 25V
- **Output Voltage Range:** Adjustable (supports VR11.1, VR12, and IMVP-6+ compliant CPUs)
- **Switching Frequency:** Adjustable (300kHz to 1MHz)
- **Number of Phases:** 1 to 4 phases (configurable)
- **Current Sensing:** Lossless inductor DCR sensing or precision resistor sensing
- **Efficiency:** High efficiency with adaptive body diode conduction time optimization
- **Operating Temperature Range:** -40°C to +105°C
- **Control Method:** Predictive current-mode control
### **Descriptions:**
The ISL62870HRUZ-T is a multi-phase PWM controller designed for high-performance voltage regulation in CPU and GPU power supplies. It supports Intel® VR11.1, VR12, and IMVP-6+ specifications, making it suitable for notebook and desktop applications. The controller features adaptive voltage positioning (AVP), dynamic phase shedding, and integrated MOSFET drivers for optimized power delivery.
### **Features:**
- Supports 1 to 4-phase operation with dynamic phase shedding
- Precision core voltage regulation (±0.5% over temperature)
- Adaptive Voltage Positioning (AVP) for improved transient response
- Lossless current sensing (inductor DCR) or precision resistor sensing
- Adjustable switching frequency (300kHz to 1MHz)
- Integrated MOSFET drivers with adaptive dead-time control
- Overcurrent, overvoltage, and undervoltage protection
- Power-good output and enable/disable control
- Pb-free and RoHS compliant
This information is strictly based on the manufacturer's datasheet and technical documentation.
