Product Description
Specification
| Base Part Number | MAX638 |
| Mounting Type | Through Hole |
| Voltage Output Min Fixed | 1.31V (5V) |
| Voltage Output Max | 16.5V |
| Voltage Input Min | 2.2V |
| Voltage Input Max | 16.5V |
| Topology | Buck |
| Synchronous Rectifier | No |
| Supplier Device Package | 8-PDIP |
| Part Status | Active |
| Packaging | Tube |
| Package Case | 8-DIP (0.300", 7.62mm) |
| Output Type | Adjustable (Fixed) |
| Output Configuration | Positive |
| Operating Temperature | -40 deg C ~ 85 deg C (TA) |
| Number of Outputs | 1 |
| Function | Step-Down |
| Frequency Switching | 65kHz |
Versatile Timer for Precision ApplicationsDesigned for maximum reliability and versatility, the MAX638AEPA can serve in a wide variety of timing and pulse generation roles. Its broad voltage range and long adjustable timing capability make it suitable for industrial automation, delay circuits, and more. The high precision and low standby current contribute to efficient and robust circuit performance.
Robust and Reliable Through-Hole DesignThe DIP-8 through-hole package offers easy integration into prototype boards and long-term installations. With high insulation resistance and a flame-retardant plastic case, the MAX638AEPA stands up well in demanding environments. Its functional test ensures dependable operation straight out of the package.
FAQs of MAX638AEPA:
Q: How do I set the timing interval for the MAX638AEPA?
A: The timing interval is determined by selecting appropriate external resistor and capacitor values connected to the IC, allowing timing from 1 microsecond to several hours based on application needs.
Q: What are the benefits of using the MAX638AEPA over other timers?
A: The MAX638AEPA offers high precision, a wide input voltage range (4.5V to 44V), long adjustable timing intervals, and low standby current, making it suitable for demanding and flexible timing applications.
Q: Where is the MAX638AEPA commonly used?
A: This IC is commonly used in industrial timing circuits, automation systems, delay relays, and other applications where high reliability and precise, adjustable timing are required.
Q: What process is involved in mounting the MAX638AEPA on a board?
A: The device integrates easily into standard PCBs using its DIP-8 through-hole package. Soldering the leads with a 2.54 mm pitch provides secure, robust mechanical and electrical connections.
Q: When should I use an external component with this timer IC?
A: You should select external resistors and capacitors to set the desired timing range based on your specified delay or pulse width requirements.
Q: Is the MAX638AEPA suitable for environments with high electrical insulation requirements?
A: Yes, the MAX638AEPA features high insulation resistance and a flame-retardant case conforming to UL 94V-0 equivalent specifications, making it ideal for electrically demanding and safe installations.
Q: What is the typical output current, and why is it important?
A: The typical output current is 20mA, which is sufficient for driving many standard circuit loads and ensures reliable output signal delivery in most timing and control applications.