TC7660SEOA - Microchip

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TC7660SEOA
Manufacturer

Microchip
ChipWorker Part#

CW14894057
Category

DC to DC Converter
Package

SOIC-8
Description

MICROCHIP TC7660SEOA DC-DC Adjustable Charge Pump Voltage Converter, 1.5V to 12V in, -12V to -1.5V/20mA out, SOIC-8
Documentation

Datasheet

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TC7660SEOA Specifications

Attribute	Attribute Value

Part Number	TC7660SEOA
Manufacturer	Microchip
ChipWorker Part#	CW14894057
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	45 kHz
Number of Outputs	1 Output
Input Voltage (DC)	1.50V (min)
Output Voltage	-12.0 V
Output Current	20 mA
Supply Current	0.16 mA
Number of Positions	8 Position
Power Dissipation	0.47 W
Output Power	470 mW
Switching Frequency	10kHz ~ 45kHz
Input Voltage (Max)	12 V
Input Voltage (Min)	1.5 V
Output Current (Max)	20 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	470 mW
Input Voltage	1.5V ~ 12V
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Size-Length	5 mm
Size-Width	3.99 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99
HK STC License	NLR

Product Description

The TC7660SEOA is a super charge pump DC-to-DC Voltage Converter for RS-232 negative power supply. The TC7660S device is a pin-compatible replacement for the industry standard 7660 charge pump voltage converter. It converts a +1.5 to +12V input to a corresponding -1.5 to -12V output using only two low-cost capacitors, eliminating inductors and their associated cost, size and electromagnetic interference (EMI). Added features include an extended supply range to 12V and a frequency boost pin for higher operating frequency, allowing the use of smaller external capacitors. The on-board oscillator operates at a nominal frequency of 10kHz. Frequency is increased to 45kHz when pin 1 is connected to V+. Operation below 10kHz (for lower supply current applications) is possible by connecting an external capacitor from OSC to ground (with pin 1 open).
Oscillator boost from 10 to 45kHz
Converts +5V logic supply to ±5V system
Efficient voltage conversion of 99.9%
Excellent power efficiency of 98%
Low power supply of 80µA at 5VIN
Improved ESD protection-up to 10kV
No external diode required for high voltage operation
ESD sensitive device, take proper precaution while handling the device.

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