NCP1403_05 Datasheet, PDF (1/18 Pages) ON Semiconductor – 15 V/50 mA PFM Step−Up DC−DC Converter

NCP1403
15 V/50 mA PFM Step−Up
DC−DC Converter
The NCP1403 is a monolithic PFM step−up DC−DC converter. This
device is designed to boost a single Lithium or two cell AA/AAA
battery voltage up to 15 V (with internal MOSFET) output for
handheld applications. A pullup Chip Enable feature is built with this
device to extend battery−operating life. Besides, the device can also be
incorporated in step−down, and voltage−inverting configurations.
This device is available in space−saving TSOP−5 package.
Features
• 82% Efficiency at V_OUT = 15 V, I_OUT = 50 mA, V_IN = 5.0 V
• 78% Efficiency at V_OUT = 15 V, I_OUT = 30 mA, V_IN = 3.6 V
• Low Operating Current of 19 mA (No Switching)
• Low Shutdown Current of 0.3 mA
• Low Startup Voltage of 1.3 V Typical at 0 mA
• Output Voltage up to 15 V with Built−in 16 V MOSFET Switch
• PFM Switching Frequency up to 300 kHz
• Chip Enable
• Low Profile and Minimum External Parts
• Micro Miniature TSOP−5 Package
• Pb−Free Package is Available
Typical Applications
• LCD Bias
• Personal Digital Assistants (PDA)
• Digital Still Camera
• Handheld Games
• Hand−held Instrument
http://onsemi.com
5
1
TSOP−5
SN SUFFIX
CASE 483
MARKING DIAGRAM AND
PIN CONNECTIONS
CE 1
5 LX
FB 2
VDD 3
4 GND
(Top View)
DCE =Specific Device Marking
A = Assembly Location
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
Package
Shipping^†
NCP1403SNT1
TSOP−5 3000/Tape & Reel
NCP1403SNT1G TSOP−5 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.
© Semiconductor Components Industries, LLC, 2005
1
December, 2005 − Rev. 6
Publication Order Number:
NCP1403/D