The LTC1702 is a dual switching regulator controller opti- mized for high efficiency with low input voltages.
The LTC1702 is a dual, step‑down switching regulator controller optimized for low input voltages and high efficiency. It integrates two independent controllers that each drive a pair of external N‑channel MOSFETs in a synchronous buck configuration, operating at a constant 550 kHz frequency.
The document provides absolute maximum ratings, electrical characteristics, typical performance curves, pin descriptions, test circuits and application notes such as 2‑step conversion and 2‑phase operation, helping designers implement the device in microprocessor power supplies and other high‑current low‑voltage applications.
| Supply Voltage VCC | 3 V to 7 V |
|---|---|
| Output Current per Channel | 1 A to 25 A |
| Reference Trim Accuracy | 0.5 % |
| Shutdown Quiescent Current | <100 mA |
The LTC1702 contains two independent switching regulator controllers.
VCC can be supplied up to 7 V.
The quiescent current drops below 100 mA when the device is shut down.