LS7534, LS7534-S, LS7535 Selling Leads, Datasheet
MFG:LSI Package Cooled:DIP-8 D/C:07+
LS7534, LS7534-S, LS7535 Datasheet download
Part Number: LS7534
MFG: LSI
Package Cooled: DIP-8
D/C: 07+
LS7534, LS7534-S, LS7535
- Table of contents:
Info of LS7534
Info of LS7534-S
Info of LS7535
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About LS7534
PDF/DataSheet Download
Datasheet: LS7534
File Size: 71348 KB
Manufacturer: LSI [LSI Computer Systems]
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About LS7030
PDF/DataSheet Download
Datasheet: LS7030
File Size: 68055 KB
Manufacturer: LSI [LSI Computer Systems]
Download : Click here to Download
About LS7535
PDF/DataSheet Download
Datasheet: LS7535
File Size: 71348 KB
Manufacturer: LSI [LSI Computer Systems]
Download : Click here to Download
LS7534 General Description
·LS7534/LS7535 are monolithic, MOS integrated circuits that are designed for brightness control 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 159° 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 the proper logic levels at the UP and DOWN inputs.
·These functions may be implemented with very few interface components which is described in the application examples (See Fig. 5A and 5B). For touch plates, LS7534 is used (Fig. 5A). For mechanical switches, LS7535 is used (Fig. 5B).
·The output occurs once every half-cycle of the line frequency. Within the half-cycle, the output can be positioned anywhere between 159° 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 the proper logic levels at the UP and DOWN inputs.
·These functions may be implemented with very few interface components which is described in the application examples (See Fig. 5A and 5B). For touch plates, LS7534 is used (Fig. 5A). For mechanical switches, LS7535 is used (Fig. 5B).
LS7534 Maximum Ratings
|
RATING |
SYMBOL |
VALUE |
UNIT |
|
DC Supply Voltage |
VSS - VDD |
+20 |
V |
|
Any input voltage |
VIN |
VSS - 20 toVSS + 0.5 |
V |
|
Operating temperature |
TA |
0 to +80 |
|
|
Storage temperature |
TSTG |
-65 to +150 |
LS7534 Features
• Phase-lock loop synchronization allows use as a Wall Switch
• Brightness control of incandescent lamps with touch plates (LS7534) or mechanical switches (LS7535)
• Dual Controls eliminate confusion
• Soft turn-on /turn-off
• Controls the "Duty Cycle" from 23% to 88% (conduction angles for AC half-cycles between 41° and 159°, respectively)
• Operates at 50Hz/60Hz line frequency
• Input for slow dimming
• +12V to +18V DC supply voltage (VSS - VDD)
• LS7534/LS7535 (DIP); LS7534-S/LS7535-S SOIC - See Figure 1
• Brightness control of incandescent lamps with touch plates (LS7534) or mechanical switches (LS7535)
• Dual Controls eliminate confusion
• Soft turn-on /turn-off
• Controls the "Duty Cycle" from 23% to 88% (conduction angles for AC half-cycles between 41° and 159°, respectively)
• Operates at 50Hz/60Hz line frequency
• Input for slow dimming
• +12V to +18V DC supply voltage (VSS - VDD)
• LS7534/LS7535 (DIP); LS7534-S/LS7535-S SOIC - See Figure 1
LS7534 Connection Diagram
LS7535 General Description
·LS7534/LS7535 are monolithic, MOS integrated circuits that are designed for brightness control 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 159° 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 the proper logic levels at the UP and DOWN inputs.
·These functions may be implemented with very few interface components which is described in the application examples (See Fig. 5A and 5B). For touch plates, LS7534 is used (Fig. 5A). For mechanical switches, LS7535 is used (Fig. 5B).
·The output occurs once every half-cycle of the line frequency. Within the half-cycle, the output can be positioned anywhere between 159° 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 the proper logic levels at the UP and DOWN inputs.
·These functions may be implemented with very few interface components which is described in the application examples (See Fig. 5A and 5B). For touch plates, LS7534 is used (Fig. 5A). For mechanical switches, LS7535 is used (Fig. 5B).
LS7535 Maximum Ratings
|
RATING |
SYMBOL |
VALUE |
UNIT |
|
DC Supply Voltage |
VSS - VDD |
+20 |
V |
|
Any input voltage |
VIN |
VSS - 20 toVSS + 0.5 |
V |
|
Operating temperature |
TA |
0 to +80 |
|
|
Storage temperature |
TSTG |
-65 to +150 |
LS7535 Features
• Phase-lock loop synchronization allows use as a Wall Switch
• Brightness control of incandescent lamps with touch plates (LS7534) or mechanical switches (LS7535)
• Dual Controls eliminate confusion
• Soft turn-on /turn-off
• Controls the "Duty Cycle" from 23% to 88% (conduction angles for AC half-cycles between 41° and 159°, respectively)
• Operates at 50Hz/60Hz line frequency
• Input for slow dimming
• +12V to +18V DC supply voltage (VSS - VDD)
• LS7534/LS7535 (DIP); LS7534-S/LS7535-S SOIC - See Figure 1
• Brightness control of incandescent lamps with touch plates (LS7534) or mechanical switches (LS7535)
• Dual Controls eliminate confusion
• Soft turn-on /turn-off
• Controls the "Duty Cycle" from 23% to 88% (conduction angles for AC half-cycles between 41° and 159°, respectively)
• Operates at 50Hz/60Hz line frequency
• Input for slow dimming
• +12V to +18V DC supply voltage (VSS - VDD)
• LS7534/LS7535 (DIP); LS7534-S/LS7535-S SOIC - See Figure 1
LS7535 Connection Diagram
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