This is a low power step-up DC-DC converter designed for portable battery powered systems, capable of operating from a single battery cell down to 0.9 V.
The TK651xx series is a low‑power step‑up DC‑DC converter designed for battery‑powered systems. It operates from a single cell down to 0.9 V and provides regulated 2.7 V, 3.0 V or 3.3 V outputs. Features include a laser‑trimmed output, low quiescent current, undervoltage lockout, and a microprocessor reset output.
The document contains detailed electrical characteristics, absolute maximum ratings, test circuits, typical performance graphs, pulsed‑load application notes, and package dimensions. Ordering information and regional contact details are also provided.
| Supply Voltage (TK65127) | 0.90 V – 1.60 V |
|---|---|
| Supply Voltage (TK65130/33) | 0.90 V – 2.50 V |
| Output Voltage Options | 2.7 V, 3.0 V, 3.3 V |
| Quiescent Current (typical) | 12.5 µA |
| Efficiency (typical) | up to 95 % |
| Undervoltage Lockout Voltage | 0.45 V – 0.79 V |
| Package | 6‑pin SOT‑23L‑6 surface‑mount |
The converter can operate with an input as low as 0.90 V.
It provides regulated outputs of 2.7 V, 3.0 V, or 3.3 V.
The device is supplied in a 6‑pin SOT‑23L‑6 surface‑mount package.
Typical efficiency reaches about 95 % under normal conditions.