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TC2054

50mA CMOS LDO with Shutdown and Error Output

Status: In Production

Features:

  • Extremely Low Supply Current (55 µA typical)
  • Very Low Dropout Voltage (45 mV typical @ 50 mA)
  • High Output Voltage Accuracy (±0.4% typical)
  • Standard or Custom Output Voltages
  • Power-Saving Shutdown Mode
  • ERROR Output Can Be Used as a Low Battery Detector, or Processor Reset Generator
  • Fast Shutdown Response Time (60 µsec typical)
  • Over-Current Protection
  • Space-Saving 5-Pin SOT-23A Package
  • Pin Compatible Upgrades for Bipolar Regulato
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The TC2054, TC2055, and TC2186 are high accuracy (typically ±0.4%) CMOS upgrades for older (bipolar) low dropout regulators. Designed specifically for battery-operated systems, the devices’ total supply current is typically 55µA at full load ( 20 to 60 times lower than in bipolar regulators). The devices’ key features include ultra low noise operation, very low dropout voltage - typically 45mV (TC2054); 90mV (TC2055); and 140mV (TC2186) at full load - and fast response to step changes in load. An error output (ERROR) is asserted when the devices are out-of-regulation (due to a low input voltage or excessive output current). Supply current is reduced to 0.5µA (max) and both VOUT and ERROR are disabled when the shutdown input is low. The devices also incorporate over-current protection. The TC2054, TC2055, and TC2186 are stable with a low ESR output capacitor of only 1µF and have a maximum output current of 50mA, 100mA, and 150mA, respectively. This LDO Family also features a fast response time (60msec typically) when released from shutdown.

Additional Features
    • Extremely Low Supply Current (55 µA typical)
    • Very Low Dropout Voltage (45 mV typical @ 50 mA)
    • High Output Voltage Accuracy (±0.4% typical)
    • Standard or Custom Output Voltages
    • Power-Saving Shutdown Mode
    • ERROR Output Can Be Used as a Low Battery Detector, or Processor Reset Generator
    • Fast Shutdown Response Time (60 µsec typical)
    • Over-Current Protection
    • Space-Saving 5-Pin SOT-23A Package
    • Pin Compatible Upgrades for Bipolar Regulato
Parametrics
Name
Value
Product Type
Single LDOs
# of Out
1
IOUT #1
50
IOUT #2
n/a
IOUT #3
n/a
IOUT #4
n/a
IOUT (mA)
50
VIN Min (V)
2.7
VIN Max (V)
6
VOUT (V)
1.8 2.5 2.6 2.7 2.8 2.85 3.0 3.3 5.0
Voltage Drop Typ (mV)
45
IGND Typ (µA)
55
Tol Typ %
±0.4
PSRR 1 kHz (dB)
50
Soft Start Pin
Load Dump
Rev Bat
Reverse Current Protect

Documents

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Data Sheet

09/04/2009
420KB

Product Line Card

Development Environment

  • Demo & Evaluation Boards
  • Application Examples
Demo & Evaluation Boards
Voltage Supervisor SOT23-5/6 Evaluation Board
Voltage Supervisor SOT23-5/6 Evaluation Board ( VSUPEV2 )

This Blank PCB allows the system designer to quickly evaluate the operation of Microchip Technology’s Voltage Supervisors and Voltage Detectors in the SOT-23-5 (5-pin) and SOT-23-6 (6-pin) packages. This PCB supports many Microchip device families, including the Nonvolitile Digital Potentiometer and PIC10F2xx devices.

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
TC2054-1.8VCTTR
0.016000
0.049000
5
SOT-23
 
Matte Tin
e3
TC2054-2.7VCTTR
0.016000
0.049000
5
SOT-23
 
Matte Tin
e3
TC2054-2.85VCTTR
0.016000
0.049000
5
SOT-23
 
Matte Tin
e3
TC2054-2.8VCTTR
0.016000
0.049000
5
SOT-23
 
Matte Tin
e3
TC2054-3.0VCTTR
0.016000
0.049000
5
SOT-23
 
Matte Tin
e3
TC2054-3.3VCTTR
0.016000
0.049000
5
SOT-23
 
Matte Tin
e3
TC2054-5.0VCTTR
0.016000
0.049000
5
SOT-23
 
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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