HT7333 LDO (HT7333-A, TO-92)
HT7333-A · TO-92 · 3.3 V · 250 mA · about 0.1 V dropout and only 4 µA quiescent current: made for battery gadgets that sleep most of the time
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Typical part: Holtek HT7333-A (TO-92)
Pins
- GND
- OUT
- IN
Ratings and limits
| Output | 3.3 V ± 2 % |
|---|---|
| Current | 250 mA |
| Dropout | ≈ 90 mV at 10 mA |
| Quiescent | 4 µA |
| Input | up to 12 V |
How to use it
Feed a sleeping ESP32 or sensor straight from a Li-ion cell: it keeps regulating down to about 3.4 V in and wastes almost nothing while the gadget sleeps.
Lessons and builds that use it
- ESP32 battery sensor node (build)