This is a datasheet, which mainly introduces the data information of TDA21302, including voltage control, current balance, load droop, fault detection, phase setting and converter startup, current sensing setting, DAC offset voltage and droop adjustment, protection and SS function, design procedure suggestion, design example, layout guide and outline dimensions.
The TDA21302 is a multi‑phase DC‑DC buck‑converter controller designed for GHz‑class CPU voltage regulation. It integrates all control functions needed for 2‑to‑4 interleaved buck stages, offering high output current, low ripple, and efficient thermal performance.
Key features include automatic phase selection, active droop compensation, programmable switching frequency (50 kHz‑400 kHz), over‑current protection, and a built‑in voltage‑identification DAC. Typical applications are Intel processor voltage regulators, low‑output‑voltage high‑current DC‑DC converters, and voltage‑regulator modules.
| VCC Supply Voltage | -0.3 V to 7 V |
|---|---|
| Maximum Junction Temperature | 125 °C |
| Storage Temperature Range | -65 °C to 150 °C |
| ESD Rating (Human Body Model) | 2 kV |
| Bias Supply Current (PWM pins) | 12 mA – 16 mA |
| Power‑On‑Reset Threshold | 4.2 V – 45 V |
Pin 1 is the OVP (Over‑Voltage Trip) output.
The VCC pin can be supplied with a voltage between –0.3 V and 7 V.
The device is rated for a maximum junction temperature of 125 °C.