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MAX1683

Maxim
Part Number MAX1683
Manufacturer Maxim
Description Switched-Capacitor Voltage Doublers
Published Jun 5, 2009
Detailed Description 19-1305; Rev 1; 8/98 Switched-Capacitor Voltage Doublers General Description The ultra-small MAX1682/MAX1683 monolithic...
Datasheet PDF File MAX1683 PDF File

MAX1683
MAX1683

Overview
19-1305; Rev 1; 8/98 Switched-Capacitor Voltage Doublers General Description The ultra-small MAX1682/MAX1683 monolithic, CMOS charge-pump voltage doublers accept input voltages ranging from +2.
0V to +5.
5V.
Their high voltage-conversion efficiency (over 98%) and low operating current (110µA for MAX1682) make these devices ideal for both battery-powered and board-level voltage-doubler applications.
Oscillator control circuitry and four power MOSFET switches are included on-chip.
The MAX1682 operates at 12kHz and the MAX1683 operates at 35kHz.
A typical application includes generating a 6V supply to power an LCD display in a hand-held PDA.
Both parts are available in a 5-pin SOT23 package and can deliver 30mA with a typical voltage drop of 600mV.
____________________________Features o 5-Pin SOT23 Package o +2.
0V to +5.
5V Input Voltage Range o 98% Voltage-Conversion Efficiency o 110µA Quiescent Current (MAX1682) o Requires Only Two Capacitors o Up to 45mA Output Current MAX1682/MAX1683 ________________________Applications Small LCD Panels Cell Phones Handy-Terminals PDAs PART MAX1682C/D Ordering Information TEMP.
RANGE 0°C to +70°C PINPACKAGE Dice* 5 SOT23-5 Dice* 5 SOT23-5 SOT TOP MARK — ACLL — ACCM MAX1682EUK-T -40°C to +85°C MAX1683C/D 0°C to +70°C MAX1683EUK-T -40°C to +85°C Typical Operating Circuit Note: These parts are available in tape-and-reel only.
Minimum order quantity is 2500 pieces.
*Dice are tested at TA = +25°C.
5 C1+ IN 4 VIN INPUT SUPPLY VOLTAGE Pin Configuration C1 MAX1682 MAX1683 3 C1- TOP VIEW GND 1 OUT 2 OUTPUT VOLTAGE 2 x VIN C2 C1- 3 4 IN 5 C1+ OUT 2 MAX1682 MAX1683 1 GND VOLTAGE DOUBLER SOT23-5 ________________________________________________________________ Maxim Integrated Products 1 For free samples & the latest literature: http://www.
maxim-ic.
com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext.
3468.
Switched-Capacitor Voltage Doublers MAX1682/MAX1683 ABSOLUTE MAXIMUM RATINGS IN to GND .
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