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M66503ASP

Features: • Anode-common LED driving• Constant current output: Set to a value within a range between 0 and 30mA with an external resistor only.Simultaneous lighting available.• Pins (OEA, OEB) provided for forced ON/OFF of LED drive current.• Greater noise margin: Total-inp...

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SeekIC No. : 004406898 Detail

M66503ASP: Features: • Anode-common LED driving• Constant current output: Set to a value within a range between 0 and 30mA with an external resistor only.Simultaneous lighting available.• Pin...

M66503ASP Data Sheet

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Part Number:
M66503ASP
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Anode-common LED driving
• Constant current output: Set to a value within a range between 0 and 30mA with an external resistor only.
Simultaneous lighting available.
• Pins (OEA, OEB) provided for forced ON/OFF of LED drive current.
• Greater noise margin: Total-input Schmitt circuit is employed to deal with longer wire lengths.
• Input/output CMOS compatible
• Serial data output provided (SQ15)
• 5V single power supply
• Pin configuration for easier wiring on printed boa




Application

LED array drivers for display panel and printer. Other various
LED modules.




Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Ratings
Unit
Vcc Supply voltage  
0.3 ~ +7.0
V
VI Input voltage  
0.3 ~ Vcc + 0.3
V
Vo Output voltage  
0.3 ~ + 15.0
V
Io Output
current		 Q0~15  
30
mA
SQ15  
±10
Pd Power dissipation M66503ASP Measured being mounted Ta=25°C(Note 4)
1.74
W
M66503AGP Measured being mounted Ta=25°C(Note 5)
1.70
Tstg Storage Temperature  
-65to+150
Note 4. When 7a 25°C,derate by 13.9mW/°C
Note 5. When 7a 25°C,derate by 13.6mW/°C


Description

The M66503A is a constant current LED driver IC, whose output current is variable. The IC's functions include 16-bit
serial input/parallel output shift register with output latch.

The product uses Bi-CMOS process for highly accurate constant current driving, permitting high-efficiency LED driving
without using a resistor that limits LED current.

Settings for the LED drive current are made by an external resister,thereby ensuring a maximum output current of 30 mA,enough for anode-common LED driving.

Furthermore, the pin configuration of the IC permits easier wiring on a printed board.




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