MAX1729 ECB and LCD Display Bias Supply with Accurate Output Voltage and Temperature Compensation

Maxim

Description

19-1406; Rev 1; 1/99 KIT ATION EVALU SHEET A T A WS D FOLLO ECB and LCD Display Bias Supply with Accurate Output Voltage and Temperature Compensatio.
The MAX1729 micropower step-up/step-down DC-DC converter is ideally suited for electrically controlled birefringence (ECB) and liquid-crystal-display.

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Datasheet Specifications

Part number: MAX1729
Manufacturer: Maxim
File Size: 158.54 KB
Datasheet: MAX1729_MaximIntegratedProducts.pdf
Description: ECB and LCD Display Bias Supply with Accurate Output Voltage and Temperature Compensation

Features

* low quiescent current (67µA typical). A logic-controlled shutdown mode further reduces quiescent current to 0.4µA typical. The MAX1729 features an input that dynamically adjusts the output voltage to control display color or contrast. It offers two feedback modes: internal and external. Internal fee

Applications

* ECB Display Bias & Color Adjustment LCD Display Bias & Contrast Adjustment Cellular Phones Personal Digital Assistants VIN 2.7V to 5.5V Typical Operating Circuit IN GND LX PS Pin Configuration TOP VIEW IN 1 TC REF COMP FB 2 3 4 5 10 GND 9 LX PS OUT CTLIN DIGITAL PWM CONTROLLER ADC REF MAX1729

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MAX1729 ECB and LCD Display Bias Supply with Accurate Output Voltage and Temperature Compensation Maxim

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