Diodes' AP7343 is a low-dropout regulator featuring high-output voltage accuracy, low R_DS(ON), high-PSRR, low-output noise, and low quiescent current.

The AP7343 includes a voltage reference, error amplifier, current-limit circuit, and an enable input. Using the integrated resistor network, fixed output-voltage versions can be delivered.

With its low power consumption, and line and load transient response, the AP7343 is well suited for low-power, handheld communication equipment.

The AP7343 is packaged in the X2-DFN1010-4 package, enabling a small footprint and dense PCB layout.

Features

• Wide input voltage: 1.7 V to 5.25 V
  • Offers operation down to 1.7 V, supporting operation over the whole range of Li-on battery cells
• Wide output voltage: 0.9 V to 3.6 V
  • Wide output voltage, suitable for all applications
• High PSRR (75 dB @ 1 kHz) and low noise (60 µV_RMS @ 10 Hz – 100 kHz)
  • Suitable for noise-sensitive applications such as audio, video, and RF sub-systems
• 1.0% output accuracy at room temperature, 1.5% over -40°C to +85°C
  • Maintains accuracy under all conditions
• Miniaturized package, X2-DFN1010-4 (1.0 mm x 1.0 mm x 0.4 mm)
  • The small package dimensions and low height meets small footprint and low-profile requirements of the latest portable equipment
• Low quiescent current at 35 µA
  • Offers power saving in low-power and battery-operated products
• With OTP functional
  • Over-temperature protection