LDO regulator in TSMC 22ULL to supply logic and analog domains (3.63 V input supply)

Key Benefits

  • Extended input voltage range: 1.62 to 3.63 V
  • Wide operating temperature range: -40 to 125 °C
  • Low leakage current suitable for sleep mode
  • High PSRR adequate for analog sensive blocs
  • Low quiescent current
  • Based on 2.5OD3.3 V devices
  • Programmable output voltage
  • Configurable output stage for optimized area adapted to load current
  • Output current and in-rush limiter
  • Embedded power pads with ESD protections
  • Embedded Voltage Reference
  • Active/Shutdown modes set through EN input
  • High-impedance mode set through HIZ input
  • Embedded regulation OK output
  • Local supply monitoring

Key Features

PARAMETERS CONDITION
Minimum value
Typical value
Maximum value
Input Voltage
- 1.62 V 3.63 V
Output Voltage
- 0.6 V 2.5 V
Output current configuration
- - 100 mA;200 mA;300 mA;500 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
  • 45 µA typical current consumption at no load
  • 250 µVRMS total integrated noise from 20 Hz to 20 kHz

Technical information

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