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DS4301 데이터시트(PDF) 1 Page - Dallas Semiconductor

부품명 DS4301
상세설명  Nonvolatile, 32-Position Digital Potentiometer
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제조업체  DALLAS [Dallas Semiconductor]
홈페이지  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS4301 데이터시트(HTML) 1 Page - Dallas Semiconductor

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General Description
The DS4301 is a single 32-position linear digital poten-
tiometer with 200k
Ω end-to-end resistance. The wiper
setting is stored in EEPROM, so the DS4301 powers up
with the last stored setting. The position of the wiper is
controlled
through
a
simple
three-terminal
increment/decrement interface. The DS4301 is ideal for
white LED backlight brightness control. Its 8-pin µSOP
package, 2.4V to 5.5V supply range, and 200k
Ω end-
to-end resistance are especially suited for portable,
battery-powered applications such as cellular tele-
phones and PDAs.
Applications
White LED Backlight Brightness Control
Portable Battery-Powered Devices such as PDAs
and Cellular Phones
Any Application that Requires a Small, Low-Cost
NV Potentiometer
Features
♦ Single, 32-Position, 200kΩ Linear Nonvolatile (NV)
Potentiometer Ideal for Battery-Powered
Applications
♦ Three-Terminal Increment/Decrement Interface to
Adjust Wiper Position
♦ Wide Voltage Supply Range (2.4V to 5.5V)
♦ Command-Initiated NV Wiper Storage
♦ Operates Over the Industrial Temperature Range
(-40°C to +85°C)
♦ Available in 8-Pin µSOP
Nonvolatile, 32-Position Digital Potentiometer
______________________________________________ Maxim Integrated Products
1
1
2
3
4
8
7
6
5
VCC
CS
L
W
GND
H
U/D
INC
µSOP
TOP VIEW
DS4301
Pin Configuration
Ordering Information
VCC
VCC
VCC
VCC
VREF
VCC
ADJ
EXT
CS
FB
GND
PGND
W
H
L
WHITE LED
CURRENT
REGULATOR
RFB
WHITE
LEDs
10
µH
MBR0540
1
µF
1
µF
10
µF
GND
CS
INC
U/D
0.1
µF
CONTROL
INTERFACE
DS4301
Typical Operating Circuit
Rev 0; 8/03
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
DS4301U-200
-40°C to +85°C
8 µSOP (118 mil)


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