LS7232 Datasheet(PDF) - LSI Computer Systems
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LS7232 Datasheet (PDF) - LSI Computer Systems

LS7232 Datasheet PDF - LSI Computer Systems
Part # LS7232
Download  LS7232 Download

File Size   75.32 Kbytes
Page   8 Pages
Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems
Description TOUCH CONTROL LAMP DIMMER

LS7232 Datasheet (PDF)

Go To PDF Page Download Datasheet
LS7232 Datasheet PDF - LSI Computer Systems

Part # LS7232
Download  LS7232 Click to download

File Size   75.32 Kbytes
Page   8 Pages
Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems
Description TOUCH CONTROL LAMP DIMMER

LS7232 Datasheet (HTML) - LSI Computer Systems

LS7232 Datasheet HTML 1Page - LSI Computer Systems LS7232 Datasheet HTML 2Page - LSI Computer Systems LS7232 Datasheet HTML 3Page - LSI Computer Systems LS7232 Datasheet HTML 4Page - LSI Computer Systems LS7232 Datasheet HTML 5Page - LSI Computer Systems LS7232 Datasheet HTML 6Page - LSI Computer Systems LS7232 Datasheet HTML 7Page - LSI Computer Systems LS7232 Datasheet HTML 8Page - LSI Computer Systems

LS7232 Product details

DESCRIPTION:

LS7231 through LS7234 are a series of monolithic, MOS integrated circuits designed for the control of brightness of incandescent lamps. The outputs of these ICs control the brightness of a lamp by controlling the firing angle of a triac connected in series with the lamp. All internal timings are synchronized with the line frequency by means of a built-in phase-lock loop circuit. The output occurs once every half-cycle of the line frequency. Within the half cycle, the output can be positioned anywhere between 158˚conduction angle for maximum brightness and 41˚ conduction angle for minimum brightness in relation to the AC line frequency. The positioning of the output is controlled by applying a low level at the SENS input or a high level at the EXT input.



FEATURES:

• Phase-lock loop synchronization allows use in Wall Switch applications.

• Provides brightness control of incandescent lamps with touch plates or mechanical switches.

• Controls the "duty cycle" from 23% to 88%

   (conduction angles for AC half-cycles between 41˚ and 158˚, respectively.)

• Operates at 50Hz/60Hz line frequency.

• Extension input for remote activation.

• Input for slow dimming.

• +12V to +18V DC Power Supply voltage. (VSS - VDD)

• LS7231 to LS7234 (DIP) - See Figure 1

   LS7231-S to LS7234-S (SOIC)



APPLICATIONS:

1. Foot-Switch Dimmer for large floor lamps.

2. Hand-Switch Dimmer for end-table lamps.




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