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DM134B

Features: *3.3V~5V CMOS Compatible Input *Maximum Clock Frequency: 25MHz (Cascade Operation) *Maximum Output Voltage: 17V *Package: DIP24, SOP24, SSOP24, QFN32 *Package and Pin Layout: Pin layout and functionality are similar to those of the ST2221C. (Each characteristic value is different.) *...

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SeekIC No. : 004326877 Detail

DM134B: Features: *3.3V~5V CMOS Compatible Input *Maximum Clock Frequency: 25MHz (Cascade Operation) *Maximum Output Voltage: 17V *Package: DIP24, SOP24, SSOP24, QFN32 *Package and Pin Layout: Pin layout ...

DM134B Data Sheet

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Part Number:
DM134B
Supply Ability:
5000

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

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Product Details

Description



Features:

*3.3V~5V CMOS Compatible Input
*Maximum Clock Frequency:  25MHz (Cascade Operation)
*Maximum Output Voltage:   17V
*Package:                              DIP24, SOP24, SSOP24, QFN32
*Package and Pin Layout:     Pin layout and functionality are similar to those of the ST2221C.
                                              (Each characteristic value is different.)
*Constant Current Matching: (Ta = 25,VDD = 5.0V) 
                                               Chip-to-Chip: ± 10.0% 
                                               Bit-to-Bit:  
                                               DM134B:± 4.0% @ IOUT = 30 ~ 90mA 
                                                             ± 6.0% @ IOUT = 20 ~ 30mA  
                                               DM135B:± 4.0% @ IOUT = 20 ~ 60mA 
                                                             ± 6.0% @ IOUT = 5 ~ 20mA


Pinout

Connection Diagram


Specifications

CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VDD 0 ~ 7.0 V
Input Voltage VIN -0.4 ~ VDD+0.4 V
Output Current IOUT 90 ( DM134B ) mA
60 ( DM135B )
Output Voltage VOUT -0.3 ~ 17 V
Clock Frequency fCLK 25 MHz
GND Terminal Current IGND 1440 ( DM134B ) mA
960 ( DM135B )
Power Dissipation
(On 4-layer PCB) 		PD 2.5 (DIP-24 : Ta=25) W
1.58 (SOP-24 : Ta=25)
1.39 (SSOP-24 : Ta=25)
3.08 (QFN-32 : Ta=25)
Thermal Resistance
(On 4-layer PCB) 		Rth(j-a) 50.0 (DIP-24) /W
79.2 (SOP-24)
90.2 (SSOP-24)
40.6 (QFN-32)
Operating Temperature Topr -40 ~ 85
Storage Temperature Tstg -55 ~ 150



Description

  The DM134B,DM135B are constant current drivers specifically designed for LED display applications. The value of constant current can be varied using an external resistor. The DM134B,DM135B include a 16-bit shift register, latches, and constant current drivers on a single Silicon CMOS chip.




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