LP2982 - Uncategorized TEXAS INSTRUMENTS - Free user manual and instructions
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| Type of Product | Low Dropout Voltage Regulator (LDO) |
| Brand | Texas Instruments |
| Model | LP2982 |
| Output Voltage | Adjustable, 1.25V to 16V |
| Output Current | 50 mA |
| Dropout Voltage | 45 mV typical at 1 mA load |
| Quiescent Current | 375 µA typical |
| Input Voltage Range | 2.2V to 16V |
| Operating Temperature Range | -40°C to +125°C |
| Package | SOT-23-5, MSOP-8 |
| Protection Features | Short circuit, thermal shutdown, reverse battery protection |
| Typical Applications | Battery-powered devices, portable electronics, wireless handsets |
| Dimensions (SOT-23-5) | 2.9 mm x 1.6 mm x 1.1 mm |
| Weight (SOT-23-5) | 5.4 mg (approx.) |
| Power Supply Rejection Ratio (PSRR) | 70 dB at 1 kHz |
| Output Noise | 30 µVrms typical (10 Hz to 100 kHz) |
| Stability | Stable with low ESR ceramic capacitors, >0.47 µF |
| Maintenance and Cleaning | No specific maintenance required; avoid moisture and static discharge |
| Safety | RoHS compliant; lead-free; observe ESD precautions |
| Spare Parts and Repairability | Non-repairable component; replace if faulty |
| General Information | Also known as LP2982IM5 or LP2982AIM5; multiple package options |
Frequently Asked Questions - LP2982 TEXAS INSTRUMENTS
What is the LP2982 voltage regulator?
The LP2982 is a low dropout voltage regulator from Texas Instruments, designed for battery-powered applications requiring low quiescent current and high output accuracy.
What is the output current capability of the LP2982?
The LP2982 can deliver up to 50 mA of output current.
What is the dropout voltage of the LP2982?
The dropout voltage is typically 45 mV at 1 mA load and increases with load current, reaching about 200 mV at 50 mA.
Can the LP2982 output voltage be adjusted?
Yes, the LP2982 is an adjustable voltage regulator. The output voltage is set by an external resistor divider.
What is the quiescent current of the LP2982?
The typical quiescent current is 375 µA, which makes it suitable for battery-operated devices.
What protection features does the LP2982 include?
It includes short circuit protection, thermal shutdown, and reverse battery protection (in some versions).
What type of output capacitor is recommended for stable operation?
The LP2982 is stable with low ESR ceramic capacitors of at least 0.47 µF. Larger capacitors may be used for better transient response.
What is the operating temperature range of the LP2982?
The junction temperature range is -40°C to +125°C.
What packages are available for the LP2982?
Common packages include SOT-23-5 and MSOP-8.
How do I replace the LP2982 on my PCB?
The LP2982 is a surface-mount component. Replacement requires soldering/desoldering with appropriate tools (hot air or soldering iron). Ensure correct orientation and avoid overheating.
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USER MANUAL LP2982 TEXAS INSTRUMENTS
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Product information
Brand : TEXAS INSTRUMENTS
Model : LP2982
Category : Uncategorized