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- Part Number LM709CN
- Manufacturer Rochester Electronics
- Pin Count 14
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - LM709CN
- Released Date Oct 1, 2020
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM709CN Details
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Manufacturer Part Number:
LM709CN
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Part Life Cycle Code:
Active
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Package Description:
PLASTIC, DIP-14
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ECCN Code:
EAR99
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HTS Code:
8542.33.00.01
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Manufacturer:
Rochester Electronics LLC
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Amplifier Type:
OPERATIONAL AMPLIFIER
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Average Bias Current-Max (IIB):
1.5 µA
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Common-mode Reject Ratio-Nom:
90 dB
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Input Offset Voltage-Max:
7500 µV
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JESD-30 Code:
R-PDIP-T14
LM709CN Frequently Asked Questions (FAQs)
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The recommended operating temperature range for the LM709CN is 0°C to 70°C, although it can operate up to 125°C with reduced performance and reliability.
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To ensure stability, a minimum output capacitance of 1µF is recommended, and the output capacitor should be located close to the regulator. Additionally, a 0.1µF capacitor between the input and ground can help reduce noise and improve stability.
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The LM709CN is rated for a maximum output current of 150mA, but it can be used in high-current applications with the addition of an external pass transistor. However, the designer must ensure that the pass transistor is properly biased and heat-sinked to prevent overheating.
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To protect the LM709CN from input voltage transients, a transient voltage suppressor (TVS) diode can be added between the input and ground. This will help clamp the input voltage to a safe level and prevent damage to the regulator.
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The LM709CN is a linear voltage regulator and is not suitable for use in switching power supply designs. It is designed to operate from a fixed input voltage and provide a regulated output voltage, whereas switching power supplies require a different type of voltage regulator.
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