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Specifications
SKU: 11228492
| Parameter | Description | Value |
|---|---|---|
| Part Number | Device Identifier | KIA7809API |
| Type | Linear Voltage Regulator | - |
| Output Voltage | Fixed Output Voltage | 9V |
| Input Voltage Range | Minimum to Maximum Input Voltage | 11V to 35V |
| Output Current | Maximum Continuous Output Current | 1A |
| Quiescent Current | Current Consumption at No Load | 5mA |
| Dropout Voltage | Minimum Input-Output Voltage Difference | 2V |
| Operating Temperature | Ambient Temperature Range for Operation | -40°C to 125°C |
| Storage Temperature | Temperature Range for Storage | -65°C to 150°C |
| Package | Encapsulation Type | TO-220 |
| Thermal Resistance | Junction to Case Thermal Resistance | 5°C/W |
| Thermal Resistance | Junction to Ambient Thermal Resistance | 65°C/W |
Instructions for Use
Circuit Design:
- Ensure that the input voltage is within the specified range (11V to 35V).
- Connect the input capacitor (typically 10μF) close to the input pin to stabilize the input voltage.
- Connect the output capacitor (typically 10μF) close to the output pin to stabilize the output voltage.
Heat Dissipation:
- The KIA7809API can dissipate heat through its TO-220 package. For high current applications, consider using a heatsink to improve thermal performance.
- Calculate the power dissipation (Pd) using the formula: Pd = (Vin - Vout) * Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.
Mounting:
- Mount the device on a PCB with adequate clearance to allow for proper heat dissipation.
- Use a heatsink if the power dissipation exceeds the thermal resistance limits of the package.
Testing:
- Before final assembly, test the regulator in a controlled environment to ensure it meets the required specifications.
- Monitor the temperature of the device during operation to prevent overheating.
Safety:
- Do not exceed the maximum ratings listed in the parameter table.
- Ensure proper grounding and isolation to prevent electrical hazards.
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