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NCP1729SN35T1 Datasheet(PDF) 1 Page - ON Semiconductor

Part # NCP1729SN35T1
Description  Switched Capacitor Voltage Inverter
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1729SN35T1 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2004
June, 2004 − Rev. 3
1
Publication Order Number:
NCP1729/D
NCP1729
Switched Capacitor
Voltage Inverter
The NCP1729 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 122
mA, and a power saving shutdown
input is provided to further reduce the current to a mere 0.4
mA. The
device contains a 35 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 3.3
mF capacitors for a complete inverter making it an ideal
solution for numerous battery powered and board level applications.
The NCP1729 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 122 mA
• Power Saving Shutdown Input for a Reduced Current of 0.4 mA
• Operation at 35 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
6
4
2
3
1
Figure 1. Typical Application
−Vout
Vin
5
This device contains 77 active transistors.
PIN CONNECTIONS
1
3
GND
Vout
2
C−
4
C+
6
(Top View)
Device
Package
Shipping†
ORDERING INFORMATION
NCP1729SN35T1
TSOP−6
3000 /
Tape & Reel
5
SHDN
TSOP−6
(SOT23−6)
SN SUFFIX
CASE 318G
MARKING
DIAGRAM
EADYW
EAD
= Device Code
Y
= Year
W
= Work Week
1
6
Vin
†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.
NCP1729SN35T1G
TSOP−6
(Pb−Free)
3000 /
Tape & Reel
1
http://onsemi.com


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