Product Summary

The DM134 is a constant current driver specifically designed for LED display applications. The value of constant current can be varied using an external resistor. The DM134 includes a 16-bit shift register, latches, and constant current drivers on a single Silicon CMOS chip.

Parametrics

DM134 absolute maximum ratings: (1)Supply Voltage, VDD: 0 to 7.0V; (2)Input Voltage, VIN: -0.4 to VDD+0.4V; (3)Output Current, IOUT: 100mA ; (4)Output Voltage, VOUT: -0.3 to 17 V; (5)Clock Frequency, fCLK: 25 MHz; (6)GND Terminal Current, IGND: 1600mA; (7)Power Dissipation (On 4-layer PCB), PD: 2.5W; (8)Thermal Resistance (On 4-layer PCB), Rth(j-a): 50.0℃/W; (9)Operating Temperature, Topr: -40 to 85℃; (10)Storage Temperature, Tstg: -55 to 150℃.

Features

DM134 features: (1)5V CMOS Compatible Input; (2)Maximum Clock Frequency: 25MHz (Cascade Operation); (3)Maximum Output Voltage: 17V; (4)Package: DIP24, SOP24, SSOP24, QFN32; (5)ackage and Pin Layout: Pin layout and functionality are similar to those of the ST2221C(Each characteristic value is different); (6)Constant Current Matching: (Ta = 25℃, VDD = 5.0V); Chip-to-Chip: ±10.0%; Bit-to-Bit:±4.0% @ IOUT = 30 to 90mA; ±6.0% @ IOUT = 20 to 30mA.

Diagrams

DM134 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
DM134B
DM134B
Other

Data Sheet
Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
DM1301-7R
DM1301-7R

EURO-CASSETTE 50W 12V
Data Sheet
0-5: $369.52
DM134B
DM134B
Other

Data Sheet
Negotiable 
DM135B
DM135B
Other

Data Sheet
Negotiable 
DM1301-9R
DM1301-9R
Power-One
DC/DC Converters
Data Sheet
0-4: $371.74
4-5: $349.01
5-10: $327.50