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# Example questions:
➢ What is the typical collector-emitter saturation voltage (vce(sat)) for a single darlington transistor with a collector current of 400ma and an input base current of 350µa at a temperature of 25°c?
➢ What test conditions were used when generating the data presented in figure 11 (typical characteristics: collector-emitter saturation voltage vs. total collector current)? include details about temperature and input current.
➢ Referring to figure 12, describe the relationship between input current (ii) and supply voltage (vs) for a load resistance (rl) of 10 ohms at 25°c.
| Part No. | ULN2003AI |
| Manufacturer | TI |
| Size | 303 Kbytes |
| Pages | 14 pages |
| Description | HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON TRANSISTOR ARRAY |
# ULN2003AI Darlington Transistor Array
## Features
️· 500mA Rated Collector Current (Single Output)
️· High-Voltage Outputs (Up to 50V)
️· Output Clamp Diodes
️· Compatible with TTL and 5V CMOS Logic
️· Suitable for Relay Driver Applications
## Description
The ULN2003AI is a high-voltage, high-current Darlington transistor array consisting of seven NPN Darlington pairs. It features high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The Darlington pairs can be paralleled to increase current capability.
## Ordering Information
| Package | Quantity | Part Number |
|---|---|---|
| PDIP (N) | 425 | ULN2003AIN |
| SOIC (D) | 40 | ULN2003AID |
| SOIC (D) | 2500 | ULN2003AIDR |
| TSSOP (PW) | 2000 | ULN2003AIPWR |
## Electrical Characteristics
️· Collector-Emitter Voltage (VCC): 50V
️· Collector Current (Single Output): 500mA
️· Input Voltage (VI): 30V
️· Operating Temperature Range: -40°C to +105°C
## Logic Diagram
️· Consists of 7 Darlington pairs with input and output terminals.
## Absolute Maximum Ratings
️· Total Emitter-Terminal Current: 2.5A
## Applications
️· Relay Drivers
️· Lamp Drivers
️· Display Drivers (LED & Gas Discharge)
️· Line Drivers
️· Logic Buffers
# ULN2003AI Darlington Transistor Array
## Features
️· 500mA Rated Collector Current (Single Output)
️· High-Voltage Outputs (Up to 50V)
️· Output Clamp Diodes
️· Compatible with TTL and 5V CMOS Logic
️· Suitable for Relay Driver Applications
## Description
The ULN2003AI is a high-voltage, high-current Darlington transistor array consisting of seven NPN Darlington pairs. It features high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The Darlington pairs can be paralleled to increase current capability.
## Ordering Information
| Package | Quantity | Part Number |
|---|---|---|
| PDIP (N) | 425 | ULN2003AIN |
| SOIC (D) | 40 | ULN2003AID |
| SOIC (D) | 2500 | ULN2003AIDR |
| TSSOP (PW) | 2000 | ULN2003AIPWR |
| Part No. | ULN2003AI |
| Manufacturer | TI |
| Size | 303 Kbytes |
| Pages | 14 pages |
| Description | HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON TRANSISTOR ARRAY |
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