The TPS40100 is a mid voltage, wide-input, synchronous step-down controller with features such as adjustable frequency, wide output voltage range, multiple startup sequencing options, and adaptive gate drive.
The TPS40100 is a mid‑voltage, wide‑input (4.5 V to 18 V) synchronous buck controller with advanced sequencing and output margining. It offers programmable frequency (100 kHz‑600 kHz), internal 5‑V regulator, adaptive gate drive, UVLO, thermal shutdown and power‑good indicator.
The document includes ordering information, absolute maximum ratings, detailed electrical characteristics, pin descriptions, functional block diagram, layout recommendations, and application notes for servers, networking equipment, set‑top boxes and other power‑supply modules.
| Input voltage range | 4.5 V to 18 V |
|---|---|
| Output voltage range | 0.7 V to 5.5 V |
| Adjustable switching frequency | 100 kHz to 600 kHz |
| Internal regulator | 5 V |
| Gate driver type | Internal drivers for N‑channel MOSFETs |
| Undervoltage lockout (UVLO) | Programmable with hysteresis |
The TPS40100 operates over an input voltage range of 4.5 V to 18 V.