Overview
The SN75468DR, manufactured by Texas Instruments, is a high-voltage, high-current Darlington transistor array. This component is designed for applications requiring robust switching capabilities, such as relay drivers, hammer drivers, lamp drivers, and display drivers. The SN75468DR is housed in a SOP-16 package, making it suitable for surface-mount technology (SMT) applications. Its market positioning targets industrial and commercial applications where reliable and efficient switching of inductive loads is essential. The unique selling point of the SN75468DR lies in its ability to handle high voltages and currents, making it a versatile choice for various demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| IC Type | Darlington Transistor Array | - | - |
| Package | SOP-16 | - | Surface Mount |
| Collector Current (Ic) | 500 | mA | Per Channel |
| Voltage - Collector-Emitter Breakdown | 100 | V | - |
| Voltage - Collector-Emitter Saturation | 1.6 | V | @ 500μA, 350mA |
| Operating Temperature | -40 to 150 | °C | - |
| Input Compatibility | CMOS, TTL | - | - |
| Number of Channels | 7 | - | NPN Darlington Pairs |
Key Features
- High-voltage outputs with common-cathode clamp diodes for switching inductive loads.
- Each Darlington pair can handle up to 500 mA collector current, with the option to parallel pairs for higher current capability.
- Compatible with both TTL and CMOS logic inputs, ensuring versatility in various circuit designs.
- Designed for reliability in demanding applications such as relay and lamp drivers.
Applications
The SN75468DR is widely used in industrial and commercial applications that require efficient switching of inductive loads. Typical applications include relay drivers, where the component's high current and voltage handling capabilities ensure reliable operation. It is also employed in hammer drivers for industrial machinery, lamp drivers for lighting systems, and display drivers for electronic displays. The device's robust design and compatibility with various logic types make it a preferred choice for engineers designing systems that demand high performance and reliability.
Q & A
1. What is the maximum collector current for each Darlington pair in the SN75468DR?
Each Darlington pair in the SN75468DR can handle a maximum collector current of 500 mA.
2. What is the voltage rating for the collector-emitter breakdown?
The collector-emitter breakdown voltage is rated at 100 V.
3. Is the SN75468DR compatible with TTL and CMOS logic?
Yes, the SN75468DR is compatible with both TTL and CMOS logic inputs.
4. What is the operating temperature range for the SN75468DR?
The operating temperature range for the SN75468DR is -40°C to 150°C.
5. Can the Darlington pairs be paralleled for higher current capability?
Yes, the Darlington pairs can be paralleled to achieve higher current capability.
6. What is the typical voltage drop across the collector-emitter when saturated?
The typical voltage drop across the collector-emitter when saturated is 1.6 V at 500μA and 350 mA.
7. What package does the SN75468DR come in?
The SN75468DR is available in a SOP-16 surface-mount package.
8. What are some common applications for the SN75468DR?
Common applications include relay drivers, hammer drivers, lamp drivers, and display drivers.
9. How many Darlington pairs are included in the SN75468DR?
The SN75468DR includes seven NPN Darlington pairs.
10. Is the SN75468DR suitable for high-voltage applications?
Yes, the SN75468DR is designed for high-voltage applications, with a collector-emitter breakdown voltage of 100 V.
