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Электронный компонент: G5113

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Ver 0.1 Preliminary
Nov 29, 2001
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G5113
Global Mixed-mode Technology Inc.
Micro-power Step-Up DC/DC Converters in SOT23-5
Features
Configurable Output Voltage Up to 35V
20A Quiescent Current
<1A Shutdown Current
<1A Shutdown Pin Current
Supply Rage from 2.5V to 7V
Low V
DSSAT
: 200mV (I
SW
=200mA)
Tiny SOT23-5 Package
Applications
STN/TFT LCD Bias
Personal Digital Assistants (PDAs)
Handheld Computers
Digital Still Cameras
Cellular Phones
WebPad
White LED Driver
Local 3V to 5V Conversion

General Description
The G5113 boost converter is designed for small/
medium size LCD panel of high bias voltage.
Due to a typical 20A quiescent current and 2.5V~7V
supply voltage range, it is suitable for battery powered
portable applications. Such as PDAs and Handheld
Computers. When the IC sets to shutdown mode, it
only consumes less than 1A.
Furthermore, the 250mA current limit, 400ns fixed
minimum off-time and tiny SOT23-5 package facilitates
the use of smaller inductor and other surface-mount
components to minimize the PCB size in those
space-conscious applications.
To control the IC, no other external current is needed
for the shutdown pin. It typically consumes less than
1A of full supply range.
Ordering Information
PART TEMP.
RANGE PIN-PACKAGE
G5113
-40C ~ +85C
SOT23-5




Pin Configuration
G963
VCC
SHDN
SOT23-5
G5113
5
4
1
SW
2
3
GND
FB
VCC
SW
SHDN
FB
GND
G5113
10pF
1F
4.7F
10H
130k
VCC
2.5V to 4.2V
2M
20V
10mA
G963
VCC
SHDN
SOT23-5
G5113
5
4
1
SW
2
3
GND
FB
G963
VCC
SHDN
SOT23-5
G5113
5
4
1
SW
2
3
GND
FB
VCC
SW
SHDN
FB
GND
G5113
10pF
1F
4.7F
10H
130k
VCC
2.5V to 4.2V
2M
20V
10mA