STMicroelectronics LDQ40 250mA Low-Dropout (LDO) Voltage Regulator
STMicroelectronics LDQ40 250mA Low-Dropout (LDO) Voltage Regulator is a high-accuracy voltage regulator that provides 250mA of current. It is available in a SOT23 5L, DFN 2x2 6L package to maximize space saving. The device is stabilized with a small ceramic capacitor on the output. The low drop, low quiescent current, and short-circuit protection make the LDQ40 suitable for low-power battery-operated applications.
An enable logic control function puts the STMicroelectronics LDQ40 in shutdown mode, allowing a total current consumption lower than 0.3µA. Thermal protection is also included.
Features
- AEC-Q100 grade 1 qualified
- Operating temperature range of -40°C < TJ < 150°C
- Input voltage from 3.3V to 40V
- Dropout voltage (500mV typ. at 250mA load)
- Low ground current (2μA typ. at no load)
- Output voltage of 1.8V, 2.5V, 3.3V, and 5.0V and ADJ from 1.2V to 12V
- Output voltage tolerance of ±1.5% overtemperature, ±0.5% at 25°C
- 250mA guaranteed output current
- Power Good for fixed versions
- Logic-controlled electronic shutdown
- Internal current limit
- Short-circuit protection
- Thermal shutdown
- Output active discharge function
- Package options
- SOT23-5L, DFN 2x2 6L for industrial applications
- DFN 2mm x 2mm 6L wettable flanks for automotive grade
Applications
- EV power train
- Always-on battery-connected application
- Infotainment and instrument clusters
- ADAS
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Publicado: 2023-11-14
| Actualizado: 2025-04-04