LDO regulator in TSMC 22ULL to supply logic and sensitive domains from input voltage up to 3.63 V

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 optimizing area
  • 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;10 mA;200 mA;300 mA;500 mA;50 mA -
Quiescent current typical value
Iload=0mA - 51.77 uA -
Accuracy
PVT, including Line and Load Regulation (PVT) - - 2.167%
Efficiency
n.a - - n.a
PSRR
@ DC, Iload 1u -100mA - -80.08 dB -

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

  • Overall output voltage DC accuracy: ±3%
  • Typical PSRR at DC: -41 dB
  • Typical current consumption at no load: 50 µA
  • Total integrated noise from 20 Hz to 20 kHz: 85 µVRMS

Technical information

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