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Overview
| Topology | Buck Converter |
| Input voltage | 2.5-5.5 V |
| Output 1 | 3.3 V / 0.5 A |
| IC revision | 001 |
Description
The BD70522GUL is a Buck Converter featuring 180nA quiescent current and supports output current up to 500mA. The Constant ON-Time (COT) control with ULP (Ultra Low Power) mode provides superior transient response and extends battery life by providing excellent light load efficiency below 10μA load range. The output voltage can be selected from 9 pre-set voltages by VSEL pins. When the input voltage gets close to the output voltage, the IC enters 100%ON mode where the switching operation stops.
Features
- Nano Energy™
- 180nA (Typ) Quiescent Current
- Up to 90% Efficiency at 10μA Output Current
- Up to 500mA Output Current
- 9 Selectable Output Voltages (1.2V, 1.5V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V, 3.2V, 3.3V)
- Power Good Output
- 100%ON Mode for Low Input Voltage
- Discharge Function on VOUT.
Typical applications
- Portable devices / Wearables
- Smoke detectors / Thermostats
- Low-Iq sets without standby switcher / Energy harvesting
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | Pins | Type | Mount | L(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Pin Header - Single, 3, Straight | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | TypeStraight | MountTHT | Length7.62 mm | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |