MAX685 Dual-Output Positive and Negative / DC-DC Converter

Maxim

Description

19-1353; Rev 0; 4/98 KIT ATION EVALU E L B AVAILA Dual-Output (Positive and Negative), DC-DC Converter for CCD and LCD General .
Features o Dual Output Using a Single Inductor o Low-Noise Output, 30mVp-p Ripple o Output Voltages up to 24V and down to -9V (up to 45V and down to -.

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Datasheet Specifications

Part number: MAX685
Manufacturer: Maxim
File Size: 312.28 KB
Datasheet: MAX685_MaximIntegratedProducts.pdf
Description: Dual-Output Positive and Negative / DC-DC Converter

Features

* o Dual Output Using a Single Inductor o Low-Noise Output, 30mVp-p Ripple o Output Voltages up to 24V and down to -9V (up to 45V and down to -16V with added components) o Internal Switches in a Small Package o 220kHz/400kHz Fixed-Frequency PWM Operation o Frequency Can Be Synchronized to External Clo

Applications

* Camcorders Digital Cameras Notebooks LCDs CCD Imaging Devices INPUT 2.7V TO 5.5V Typical Operating Circuit VP LXN Pin Configuration TOP VIEW LXP 1 I. C. 2 VP 3 POK 4 SEQ 5 SHDN 6 SYNC 7 VDD 8 16 LXN 15 I. C. 14 PGND OPTIONAL POS 12 FBP 11 REF 10 FBN 9 GND POWER-OK INDICATOR NEG ON OFF VDD FBP SHD

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MAX685 Dual-Output Positive and Negative DC-DC Converter Maxim

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