LD39100PUR

LD39100PUR is a 1A, low quiescent current, low-noise voltage regulator. The device is stable with ceramic capacitors on the input and output. The ultra-low dropout voltage, low quiescent current and low-noise features make it suitable for low power battery-powered applications. Power supply rejection is 70dB at low frequency and starts to roll off at 10KHz. Enable logic control function puts the LD39100 in shutdown mode, allowing a total current consumption lower than 1µA. The device also includes short-circuit constant current limiting and thermal protection. Typical applications include printers, game consoles, computer, consumer applications and automotive post regulation.

• Output voltage adjustable from 0.8V
• Input voltage from 1.5 to 5.5V
• Ultra-low dropout voltage (200mV typ at 1 A load)
• Very low quiescent current (20µA typ at no load, 200µA typ at 1 A load, 1µA max. in off mode)
• Very low-noise with no bypass capacitor (30µVRMS at VOUT = 0.8V)
• Output voltage tolerance of ±2.0% at 25°C
• Logic-controlled electronic shutdown
• Stable with ceramic capacitors COUT = 1µF
• Internal current and thermal limit
• Temperature range from -40°C to 125°C

Hinweise

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