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TCM680, TCM680COATR, TCM680EDA

Table of contents:
Info of TCM680
Info of TCM680COATR
Info of TCM680EDA

TCM680, TCM680COATR, TCM680EDA Selling Leads, Datasheet

MFG:Microchip Technology Category:Integrated Circuits (ICs) Package Cooled:SOIC-8-TR D/C:N/A

TCM680, TCM680COATR, TCM680EDA Datasheet download

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Part Number: TCM680COATR

Category: Integrated Circuits (ICs)

MFG: Microchip Technology

Package Cooled: SOIC-8-TR

D/C: N/A

Description: IC CHARGE PUMP DUAL CONV 8SOIC

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TCM680 General Description

The TCM680 is a dual charge pump voltage converter that develops output voltages of +2V_IN and 2V_IN from a single input voltage of +2.0V to +5.5V. Common applications include ±10V from a single +5V logic supply, and ±6V from a +3V lithium battery.

The TCM680 is packaged in a space-saving 8-pin SOIC package and requires only four inexpensive external capacitors. The charge pumps are clocked by an on-board 8kHz oscillator. Low output source impedances (typically 150W) provides maximum output currents of 10mA for each output. Typical power conversion efficiency is 85%.

High efficiency, small installed size and low cost make the TCM680 suitable for a wide variety of applications that need both positive and negative power supplies derived from a single input voltage.

TCM680 Maximum Ratings

V_IN .................................................................... +6.0V
V⁺_OUT ..............................................................+12.0V
V _OUT .......................................................... 12.0V
V _OUT Short-Circuit Duration ................ Continuous
V⁺_OUTCurrent .................................................. 75mA
V_{IN dV/dT} .......................................................1V/msec
Power Dissipation (T_A 70°C)
Plastic DIP ......................................................730mW
Small Outline ..................................................470mW
Storage Temperature ................ 65°C to +150°C
Lead Temperature (Soldering, 10 sec) .........+300°C
*Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or other conditions above those indicated in the operation section of the specification is not implied. Exposure to the Absolute Maximum Ratings conditions for extended periods of time may affect device reliability.

TCM680 Features

·99% Voltage Conversion Efficiency
· 85% Power Conversion Efficiency
· Wide Voltage Range .........................+2.0V to +5.5V
· Only 4 External Capacitors Required
· Space Saving 8-Pin SOIC Design

TCM680 Typical Application

· ±10V From +5V Logic Supply
· ±6V From a 3V Lithium Cell
· Handheld Instruments
· Portable Cellular Phones
· LCD Display Bias Generator
· Panel Meters
· Operational Amplifier Power Supplies

TCM680 Connection Diagram

TCM680COATR Parameters

Technical/Catalog Information	TCM680COATR
Vendor	Microchip Technology
Category	Integrated Circuits (ICs)
Type	Switched Capacitor (Charge Pump), Doubler, Inverting
Number of Outputs	2
Voltage - Input	2 ~ 5.5 V
Voltage - Output	±4 ~ ±11 V
Current - Output	10mA
Power - Output	470mW
Package / Case	8-SOIC (3.9mm Width)
Packaging	Tape & Reel (TR)
Internal Switch(s)	Yes
Synchronous	No
Rds (On)	-
Operating Temperature	-40°C ~ 85°C
Frequency - Switching	21kHz
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TCM680COATR TCM680COATR

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