High-Voltage, High-Current Darlington Transistor Array - ULN2004A

ULN2004A (ACTIVE)

High-Voltage, High-Current Darlington Transistor Array

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Description

The ULN2002A, ULN2003A, ULN2003AI, ULN2004A, ULQ2003A, and ULQ2004A are high-voltage high-current Darlington transistor arrays. Each consists of seven npn Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of a single Darlington pair is 500 mA. The Darlington pairs can be paralleled for higher current capability. Applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers. For 100-V (otherwise interchangeable) versions of the ULN2003A and ULN2004A, see the SN75468 and SN75469, respectively.

The ULN2002A is designed specifically for use with 14-V to 25-V PMOS devices. Each input of this device has a Zener diode and resistor in series to control the input current to a safe limit. The ULN2003A and ULQ2003A have a 2.7-kΩ series base resistor for each Darlington pair for operation directly with TTL or 5-V CMOS devices. The ULN2004A and ULQ2004A have a 10.5-kΩ series base resistor to allow operation directly from CMOS devices that use supply voltages of 6 V to 15 V. The required input current of the ULN/ULQ2004A is below that of the ULN/ULQ2003A, and the required voltage is less than that required by the ULN2002A.

Features

  • 500-mA-Rated Collector Current (Single Output)
  • High-Voltage Outputs: 50 V
  • Output Clamp Diodes
  • Inputs Compatible With Various Types of Logic
  • Relay-Driver Applications

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Parametrics Compare all products in Peripheral Driver and Actuator

 
Drivers Per Package
Switching Voltage (Max) (V)
Peak Output Current (mA)
Delay Time (Typ) (ns)
Output Voltage (Max) (V)
Input Compatibility
Vol@Lowest Spec Current (Typ) (mV)
Iout/ch (Max) (mA)
Iout_off (Typ) (uA)
Rating
Pin/Package
Approx. Price (US$)
ULN2004A ULN2003A ULN2003LV ULN2003V12 ULN2803A ULQ2004A ULQ2004A-Q1
7     7     7     7     8     7     7    
50     50     8     16     50     50     50    
500     500     1000     1000     500     500     500    
250     250     80     80     130     1000     1000    
50     50     8     16     50     50     50    
CMOS     CMOS
TTL    
CMOS     CMOS       CMOS     CMOS    
900     900     260     600     900     900     900    
500     500     140     140     500     500     500    
50     50     0.17     0.5     50     50     50    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Automotive    
16PDIP
16SO
16SOIC    
16PDIP
16SO
16SOIC
16TSSOP    
16SOIC
16TSSOP    
16SOIC
16TSSOP    
18PDIP
18SOIC    
16PDIP
16SOIC    
16SOIC    
0.22 | 1ku     0.21 | 1ku     0.21 | 100u     0.16 | 1ku     0.50 | 1ku     0.24 | 1ku     0.24 | 1ku    
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