TCM812RERC, TCM812ZERCTR, TCM828 Selling Leads, Datasheet
MFG:MICROCHIP Package Cooled:SOT143 D/C:07+
TCM812RERC, TCM812ZERCTR, TCM828 Datasheet download
Part Number: TCM812RERC
MFG: MICROCHIP
Package Cooled: SOT143
D/C: 07+
TCM812RERC, TCM812ZERCTR, TCM828
- Table of contents:
Info of TCM812RERC
Info of TCM812ZERCTR
Info of TCM828
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About TCM812RERC
PDF/DataSheet Download
Datasheet: TCM812RERC
File Size: 265070 KB
Manufacturer: MICROCHIP [Microchip Technology]
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About TCM1030
PDF/DataSheet Download
Datasheet: TCM1030
File Size: 117401 KB
Manufacturer: TI [Texas Instruments]
Download : Click here to Download
About TCM828
PDF/DataSheet Download
Datasheet: TCM828
File Size: 76826 KB
Manufacturer: MICROCHIP [Microchip Technology]
Download : Click here to Download
TCM828 General Description
The TCM828/829 are CMOS "charge-pump" voltage converters in ultra-small 5-Pin SOT-23A packages. They invert and/or double an input voltage which can range from +1.5V to +5.5V. Conversion efficiency is typically >95%.
Switching frequency is 12kHz for the TCM828 and 35kHz for the TCM829.
External component requirement is only two capacitors (3.3F nominal) for standard voltage inverter applications.
With a few additional components a positive doubler can also be built. All other circuitry, including control, oscillator, power MOSFETs are integrated on-chip. Supply current is 50A (TCM828) and 115A (TCM829).
The TCM828 and TCM829 are available in a 5-Pin SOT-23A surface mount package.
TCM828 Maximum Ratings
Input Voltage (VIN to GND) ......................... +6.0V, 0.3V
Output Voltage (OUT to GND) .................... 6.0V, + 0.3V
Current at OUT Pin ..................................................50mA
Short-Circuit Duration OUT to GND ................ Indefinite
Operating Temperature Range ............... 40°C to +85
Power Dissipation (TA 70)
5-Pin SOT-23A .......................................................240mW
Storage Temperature (Unbiased) ......... 65°C to +150
Lead Temperature (Soldering, 10 sec) ................. +300
*This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Output Voltage (OUT to GND) .................... 6.0V, + 0.3V
Current at OUT Pin ..................................................50mA
Short-Circuit Duration OUT to GND ................ Indefinite
Operating Temperature Range ............... 40°C to +85
Power Dissipation (TA 70)
5-Pin SOT-23A .......................................................240mW
Storage Temperature (Unbiased) ......... 65°C to +150
Lead Temperature (Soldering, 10 sec) ................. +300
*This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
TCM828 Features
` Charge Pump in 5-Pin SOT-23A Package
` >95% Voltage Conversion Efficiency
` Voltage Inversion and/or Doubling
` Low 50A (TCM828) Quiescent Current
` Operates from +1.5V to +5.5V
` Up to 25mA Output Current
` Only Two External Capacitors Required
TCM828 Typical Application
· LCD Panel Bias
· Cellular Phones
· Pagers
· PDAs, Portable Dataloggers
· Battery-Powered Devices
TCM828 Connection Diagram
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