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DS1052 Datasheet

  • DS1052

  • 5-Bit, Programmable, 100kHz Pulse-Width Modulator

  • 14頁

  • DALLAS   DALLAS

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DS1052
5-Bit, Programmable, 100kHz
Pulse-Width Modulator
www.maxim-ic.com
FEATURES
摟
摟
摟
摟
摟
摟
摟
Single 5-bit, programmable, pulse-width
modulator (PWM)
Adjustable Duty Cycle: 0% to 100%
2.7V to 5.5V Operation
Standard Frequency Value: 100kHz
2-Wire Addressable Interface
Packages: 8-Pin (150-mil) SOIC and 8-Pin
(118-mil)
mSOP
Operating Temperature: -40
o
C to +85
o
C
PIN ASSIGNMENT
SCL
SDA
A0
GND
1
2
3
4
8
7
6
5
V
CC
A1
A2
PWM
o
ORDERING INFORMATION
DS1052Z-100
DS1052U-100
100kHz
100kHz
8-Pin 150-mil SOIC
8-Pin 118-mil
mSOP
8-Pin 150-mil SOIC
8-Pin 118-mil
mSOP
PIN DESCRIPTION
V
CC
PWM
O
A0, A1, A2
SDA
SCL
GND
- 2.7V to 5.5V Power Supply
- PWM Ouput
- Device Address
- Serial Data I/O
- Serial Clock Input
- Ground
DESCRIPTION
The DS1052 is a programmable, 5-bit, pulse-width modulator featuring a 2-wire addressable controlled
interface. The DS1052 operates from power supplies ranging from 2.7V up to 5.5V. The PWM output
provides a signal that swings from 0V to V
CC
.
The DS1052-100 requires a typical operating current of 100碌A and a programmable shutdown supply
current of 1碌A.
One standard PWM output frequency is offered: 100kHz. The 2-wire addressable interface allows
operation of multiple devices on a single 2-wire bus and provides compatibility with other Dallas
Semiconductor 2-wire devices such as real-time clocks (RTCs), digital thermometers, and digital
potentiometers.
The device is ideal for low-cost LCD contrast and/or brightness control, power supply voltage
adjustment, and battery charging or current adjustment. The DS1052 is offered in standard integrated
circuit packaging, including the 8-pin (150-mil) SOIC and space-saving 8-pin (118-mil)
mSOP.
1 of 14
072601

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