STMicroelectronics LDQ40
LDQ40 - 250 mA low dropout LDO
The LDQ40 is a high accuracy voltage regulator, which provides 250 mA of current. It is available in an 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 LDQ40 in shutdown mode allowing a total current consumption lower than 0.3 µA. Thermal protection is also included.
Features
- AEC-Q100 grade 1 qualified
- Operating temperature range: -40 °C < TJ < 150 °C
- Input voltage from 3.3 V to 40 V
- Dropout voltage (500 mV typ. at 250 mA load)
- Low ground current (2 μA typ. at no load)
- Output voltage: 1.8 V, 2.5 V, 3.3 V, and 5.0 V and ADJ from 1.2 V to 12 V
- Output voltage tolerance: ±1.5% overtemperature, ±0.5% at 25 °C
- 250 mA 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 2x2 6L WF for automotive grade
Applications
- EV powertrain
- Always-on battery connected application
- Infotainment and instrument cluster
- ADAS
silica content library/npi/2024/stmicroelectronics-ldq40
STMicroelectronics LDQ40 low dropout LDO | Avnet Silica
