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TC7662AMJA Scheda tecnica(PDF) 1 Page - Microchip Technology

Il numero della parte TC7662AMJA
Spiegazioni elettronici  Charge Pump DC-to-DC Converter
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

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 2001-2012 Microchip Technology Inc.
DS21468B-page 1
TC7662A
Features
• Wide Operating Range
- 3V to 18V
• Increased Output Current (40mA)
• Pin Compatible with ICL7662/SI7661/TC7660/
LTC1044
• No External Diodes Required
• Low Output Impedance @ IL = 20mA
-40
 Typ.
• No Low-Voltage Terminal Required
• CMOS Construction
• Available in 8-Pin PDIP and 8-Pin CERDIP
Packages
Applications
• Laptop Computers
•Disk Drives
• Process Instrumentation
P-based Controllers
Device Selection Table
Package Type
General Description
The TC7662A is a pin-compatible upgrade to the
industry standard TC7660 charge pump voltage
converter. It converts a +3V to +18V input to a
corresponding -3V to -18V output using only two low-
cost
capacitors,
eliminating
inductors
and
their
associated cost, size and EMI. In addition to a wider
power supply input range (3V to 18V versus 1.5V to
10V for the TC7660), the TC7662A can source output
currents as high as 40mA. The on-board oscillator
operates at a nominal frequency of 12kHz. Operation
below 12kHz (for lower supply current applications) is
also possible by connecting an external capacitor from
OSC to ground.
The TC7662A directly is recommended for designs
requiring greater output current and/or lower input/
output voltage drop. It is available in 8-pin PDIP and
CERDIP packages in commercial and extended
temperature ranges.
Part
Number
Package
Operating
Temp.
Range
TC7662ACPA
8-Pin PDIP
0°C to +70°C
TC7662AEPA
8-Pin PDIP
-40°C to +85°C
TC7662AIJA
8-Pin CERDIP
-25°C to +85°C
TC7662AMJA
8-Pin CERDIP
-55°C to +125°C
1
2
3
4
8
7
6
5
TC7662A
NC
C+
GND
C–
VOUT
NC
OSC
VDD
8-Pin PDIP
8-Pin CERDIP
Charge Pump DC-to-DC Converter


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