IR3570B

Infineon Technologies IR3570B Product Info

16 April 2026 0

Dual output 4+1 and 3+2 phase PWM Controllers
Easiest layout and fewest pins in the industry
Fully supports AMD® SVI1 and SVI2 with dual OCP and Intel® VR12 and VR12.5
Complies with VR12.5 Rev 1.3 requirement for SVID register 15h to have <200 µSec filter
Overclocking and Gaming Mode
Switching frequency from 200kHz to 2MHz per phase
IR Efficiency Shaping Features including Dynamic Phase Control and Automatic Power State Switching
IR Adaptive Transient Algorithm (ATA) on both loops minimizes output bulk capacitors and system cost
Auto-Phase Detection with auto-compensation
Per-Loop Fault Protection: OVP, UVP, OCP, OTP, CFP
I2C/SMBus/PMBus system interface for telemetry of Temperature, Voltage, Current and Power for both loops
Multiple Time Programming (MTP) with integrated charge pump for easy custom configuration
Compatible with IR ATL and 3.3V tri-state Drivers
+3.3V supply voltage -40°C to 85°C ambient operation
Pb-Free, RoHS, 5x5mm, 40-pin, 0.4mm pitch QFN

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