Manufacturer: Renesas

Key Specifications

• Package: 5x6 QFN
• Output Current: 90A
• Input Voltage: 4.5V to 16V
• Switching Frequency: Up to 1.5MHz
• Interface: PWM, analog current sense
• Temperature Range: -40°C to +125°C
• Features: Integrated MOSFETs, current and temperature monitoring

The ISL99390FRZ-TR5935 from Renesas is a high-performance smart power stage (SPS) designed for multi-phase voltage regulator applications. It integrates high-side and low-side MOSFETs along with advanced current and temperature sensing circuitry in a compact 5x6 QFN package. This device is optimized for high-current, high-efficiency power delivery in server, datacenter, and networking equipment.

Key Features

• Continuous output current capability up to 90A
• Input voltage range from 4.5V to 16V
• Supports switching frequencies up to 1.5MHz
• Integrated current sense amplifier with analog output
• Temperature sense output for thermal monitoring
• Industry-standard PWM interface for easy controller compatibility
• Operating temperature range -40°C to +125°C
• Compact 5x6 QFN package for space-constrained designs

Applications

• Multi-phase VRM for CPUs, GPUs, and ASICs
• Server and datacenter power supplies
• Networking and telecommunications equipment
• High-current point-of-load (POL) converters

Selection Guidance

When selecting the ISL99390FRZ-TR5935, consider the required output current per phase, input voltage range, and switching frequency to match your controller design. The device is intended for use with Renesas digital or analog PWM controllers that support smart power stage interfaces. For detailed electrical specifications and application circuits, refer to the official datasheet. Some parameters such as exact thermal resistance and fault thresholds are to be verified from the latest documentation.