MAX1720 Datasheet, PDF (1/18 Pages) ON Semiconductor – Switched Capacitor Voltage Inverter with Shutdown

MAX1720
Switched Capacitor Voltage
Inverter with Shutdown
The MAX1720 is a CMOS charge pump voltage inverter that is
designed for operation over an input voltage range of 1.15 V to 5.5 V
with an output current capability in excess of 50 mA. The operating
current consumption is only 67 mA, and a power saving shutdown
input is provided to further reduce the current to a mere 0.4 mA. The
device contains a 12 kHz oscillator that drives four low resistance
MOSFET switches, yielding a low output resistance of 26 W and a
voltage conversion efficiency of 99%. This device requires only two
external 10 mF capacitors for a complete inverter making it an ideal
solution for numerous battery powered and board level applications.
The MAX1720 is available in the space saving TSOP−6 package.
Features
• Operating Voltage Range of 1.15 V to 5.5 V
• Output Current Capability in Excess of 50 mA
• Low Current Consumption of 67 mA
• Power Saving Shutdown Input for a Reduced Current of 0.4 mA
• Operation at 12 kHz
• Low Output Resistance of 26 W
• Space Saving TSOP−6 Package
• Pb−Free Package is Available
Typical Applications
• LCD Panel Bias
• Cellular Telephones
• Pagers
• Personal Digital Assistants
• Electronic Games
• Digital Cameras
• Camcorders
• Hand Held Instruments
−V_out
1
6
V_in
2
5
3
4
This device contains 77 active transistors.
Figure 1. Typical Application
© Semiconductor Components Industries, LLC, 2005
1
December, 2005 − Rev. 3
http://onsemi.com
6
1
TSOP−6
SN SUFFIX
CASE 318G
MARKING DIAGRAM
EACAYW G
G
1
EAC = Device Code
A = Assembly Location
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
V_out 1
6 C+
V_in 2
5 SHDN
C− 3
4 GND
(Top View)
ORDERING INFORMATION
Device
Package
Shipping^†
MAX1720EUT TSOP−6 3000 Tape & Reel
MAX1720EUTG TSOP−6 3000 Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Publication Order Number:
MAX1720/D