TPIC74100-Q1 is a switch-mode regulator from TI. The regulator outputs a regulated 5V output and can operate over a wide input voltage range of 1.5V to 40V. The maximum output current is 1A. The regulator also features undervoltage detection and reset functions, as well as a low-power mode.
The TPIC74100-Q1 buck/boost switch‑mode regulator provides a regulated 5 V output over a wide input range (1.5 V‑40 V) with up to 1 A load current. It includes programmable features such as slew‑rate control, undervoltage alarm, reset delay and a clock modulator to reduce EMI.
The device is supplied in a 20‑pin PowerPAD® R‑PDSO‑G package with thermal‑enhanced pads. Electrical characteristics include a typical switching frequency of 440 kHz, a maximum power dissipation of 3.9 W at 25 °C, and a reset threshold voltage of about 4.5 V. Detailed terminal functions, absolute‑maximum ratings and layout guidelines are provided.
| Typical switching frequency | 440 kHz |
|---|---|
| Input operating range | 1.5 V to 40 V |
| Maximum load current (normal mode) | 1 A |
| Reset threshold voltage (typical) | 4.51 V |
The device operates at a typical switching frequency of 440 kHz.
It accepts an unregulated input voltage from 1.5 V up to 40 V.
The regulator can deliver up to 1 A of load current in normal mode.