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All IPs > Analog & Mixed Signal > Power Management > DCDC-ULP-T22-[1.8-5.5]-[0.6-3.3].01: Low-quiescent DC/DC buck converter

DCDC-ULP-T22-[1.8-5.5]-[0.6-3.3].01: Low-quiescent DC/DC buck converter

From Dolphin Semiconductor

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Description

Supply active and always-on domains from a single converter.

Features
  • Extend battery lifetime:​
  • - in active mode: high power efficiency​
  • - in deep sleep mode: low quiescent current​​
  • Low ripple compatible with noise sensitive blocs​​
  • Small, low-cost inductor: 1 to 2.2 µH​
  • Optional Vref output​
Foundries & Process Nodes
Foundry Process Nodes
TSMC 22nm FD-SOI
Tech Specs
Class Value
Categories Analog & Mixed Signal > Power Management
Analog & Mixed Signal > Voltage Regulator
Maturity MAT10 - Product Release
Input Voltage 1.8 - 5.5 V
Output Voltage 0.6 - 3.3 V
Output Current 100 mA;10 mA;200 mA;300 mA;30 mA;400 mA;500 mA;50 mA
Component Add-Ons OPM-G2-1.8-5.5-2.6.01_TSMC_22_ULL
Component Add-Ons OPM-G2-1.8-5.5-2.6.01_TSMC_22_ULL
Quiescent Current Condition Iload=0mA
Quiescent Current Typical Value On AVD: 250 nA TT, on AVDPWR: 100 nA TT
Accuracy Max Value -3% min to +3% max
Accuracy Condition PVT, including Line and Load Regulation
Efficiency Condition Maximum efficiency, VAV DPW R = 3.3 V, including typical parasitic described in Table 1.4, I200HDO PSU
Efficiency Max Value 85%
Block Name DCDC-ULP-T22-[1.8-5.5]-[0.6-3.3].01
Input voltage range 1.8 V - 5.5 V
Quiescent current (typical) 420 nA
Peak efficiency (3.3 V to 1.8 V) up to 90%
Efficiency at 10 µA load 73%
DC output voltage accuracy ±2.7%
Shutdown current 95 nA
Availability All Countries & Regions
Applications
  • Bluetooth
  • Cellular IoT
  • GNSS
  • Hearing aids
  • NB-IoT
  • Smart Headset
  • Smart Speaker
  • TWS Earpods
  • ULP MCU
  • Voice-controlled devices
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