High-voltage-tolerant power supply in a Standard CMOS technology, 5V-to-3.3V and 5V-to-1.8V Dual Linear Voltage Regulator

Overview

Based on the 0.18 µM 3.3V/1.8V Logic process, this design of the Power Regulator provides both 3.3V and 1.8V power supplies which are regulated from a single 5V supply. The maximum output currents are 120 mA for 3.3V and 60 mA for 1.8V, respectively. This is a High Performance Voltage Regulator which has special features that enable it to produce regulated voltage using standard technology.

Features

  • High output voltage accuracy
  • Low quiescent current
  • Base Standard cells Libraries
  • Extremely tight load and line regulation
  • Very low temperature coefficient
  • Logic Enable/Disable Control for outputs
     Process:     TSMC, UMC, SMIC and
    TS 3.3 V /1.8 V Logic process
Input voltage 4.5 V ~ 5.5 V
Output voltage: 3.3 V +/-5%, 1.8 V +/-5%
Maximum output current: Iv18 max = 60 mA; Iv33 max = 120 mA
Standby current: q < 5µ A
Operating temperature: -40oC ~ +85oC

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