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DM133, DM134, DM134B

Table of contents:
Info of DM133
Info of DM134
Info of DM134B

DM133, DM134, DM134B Selling Leads, Datasheet

MFG:SITI Package Cooled:SSOP-28 D/C:03+

DM133, DM134, DM134B Datasheet download

Five Points

Part Number: DM133

MFG: SITI

Package Cooled: SSOP-28

D/C: 03+

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DM134B General 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 devices include a 16-bit shift register, latches, and constant current drivers on a single Silicon CMOS chip.

DM134B Maximum Ratings

CHARACTERISTIC	SYMBOL	RATING	UNIT
Supply Voltage	V_DD	0 ~ 7.0	V
Input Voltage	V_IN	-0.4 ~ VDD+0.4	V
Output Current	I_OUT	90 ( DM134B )	mA
Output Current	I_OUT	60 ( DM135B )	mA
Output Voltage	V_OUT	-0.3 ~ 17	V
Clock Frequency	f_CLK	25	MHz
GND Terminal Current	I_GND	1440 ( DM134B )	mA
GND Terminal Current	I_GND	960 ( DM135B )	mA
Power Dissipation (On 4-layer PCB)	P_D	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)	R_th(j-a)	50.0 (DIP-24)	/W
		79.2 (SOP-24)
		90.2 (SSOP-24)
		40.6 (QFN-32)
Operating Temperature	T_opr	-40 ~ 85
Storage Temperature	T_stg	-55 ~ 150

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.)
*Constant Current Matching: (Ta = 25,V_DD = 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

DM134B Connection Diagram

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