Low-leakage LDO in TSMC 22ULL to supply logic and analog domains (3.3V input supply)

Key Benefits

  • Low leakage current for best consumption in sleep mode
  • High PSRR to supply analog loads
  • Support input supply voltage up to 3.63V
  • Low quiescent

Key Features

PARAMETERS CONDITION
Minimum value
Typical value
Maximum value
Input Voltage
- 1.62 V 3.63 V
Output Voltage
- 1.8 V 2.5 V
Output current configuration
- - 100 mA -

Applications

  • Bluetooth
  • Cellular IoT
  • GNSS
  • Hearing aids
  • NB-IoT
  • Smart Headset
  • Smart Speaker
  • TWS Earpods
  • ULP MCU
  • Voice-controlled devices
  • Voice Assistant
  • WiFi

Key Performances

  • 3 % overall output voltage DC accuracy
  • -50 dB typical PSRR on DC
  • 75 uA typical current consumption at no load
  • 250 uVRMS total integrated noise from 20 Hz to 20 kHz

Technical information

  • Technology: TSMC 22 uLL
  • Add-ons:
    • -