Purchase MAX1719, In-stock MAX1719 From SeekIC.
Part Number: MAX1719
Description: The ultra-small MAX1719/MAX1720/MAX1721 monolithic,CMOS charge-pump inverters accept input voltagesran...
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MAX1719
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DataSheet
General Description
MAX1719 General Description
The ultra-small MAX1719/MAX1720/MAX1721 monolithic,CMOS charge-pump inverters accept input voltagesranging from +1.5V to +5.5V. TheMAX1720 operates at12kHz, and the MAX1719/MAX1721 operate at 125kHz.High efficiency, small external components, and logic-controlled shutdown make these devices ideal for bothbattery-powered and board-level voltage conversionapplications.
Oscillator control circuitry and four power MOSFETswitches are included on-chip. A typical MAX1719/MAX1720/MAX1721 application is generating a -5V
supply from a +5V logic supply to power analog circuitry.All three parts come in a 6-pin SOT23 package and candeliver a continuous 25mA outputcurrent.
For pin-compatible SOT23 switched-capacitor voltageinverters without shutdown (5-pin SOT23), see theMAX828/MAX829 and MAX870/MAX871 data sheets. Forapplications requiring more power, the MAX860/MAX861deliver up to 50mA. For regulated outputs (up to -2 x VIN),refer to the MAX868. The MAX860/MAX861 and MAX868are available in space-saving µMAX packages.
MAX1719 Maximum Ratings
IN to GND..................................................................-0.3V to +6V
OUT to GND...............................................................-6V to +0.3V
C1+, SHDN,SHDN to GND..............................-0.3V to (VIN+ 0.3V)
C1- to GND................................................(VOUT- 0.3V) to +0.3V
OUT Output Current..........................................................100mA
OUT Short Circuit to GND...............................................Indefinite
Continuous Power Dissipation (TA= +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)................696mW
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX1719 Features
. 1nA Logic-Controlled Shutdown
. 6-Pin SOT23 Package
. 99.9% Voltage Conversion Efficiency
. 50µA Quiescent Current (MAX1720)
. +1.5V to +5.5V Input Voltage Range
. 25mA Output Current
. Requires Only Two 1µF Capacitors
(MAX1719/MAX1721)
. 6-Pin SOT23 Package
. 99.9% Voltage Conversion Efficiency
. 50µA Quiescent Current (MAX1720)
. +1.5V to +5.5V Input Voltage Range
. 25mA Output Current
. Requires Only Two 1µF Capacitors
(MAX1719/MAX1721)
MAX1719 Typical Application
Local Negative Supply from a Positive Supply
Small LCD Panels
GaAs PA Bias Supply
Handy-Terminals, PDAs
Battery-Operated Equipment
Small LCD Panels
GaAs PA Bias Supply
Handy-Terminals, PDAs
Battery-Operated Equipment
MAX1719 Connection Diagram
MAX1719
PDF/DataSheet Download
- Datasheet: MAX1719
- File Size: 570130 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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