LM317BT
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- Mfr.Part #
- LM317BT
- Manufacturer
- STMicroelectronics
- Package / Case
- TO-220-3
- Datasheet
- Download
- Description
- IC REG LINEAR POS ADJ 1.5A TO220
- Stock
- 4,108
- In Stock ：
- 4,108
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Voltage Regulators - Linear
- Terminal Position :
- Single
- Number of Regulators :
- 1
- Current - Quiescent (Iq) :
- 10mA
- Power Supply Rejection Ratio (PSRR) :
- 80dB
- RoHS Status :
- ROHS3 Compliant
- Protection Features :
- Over Current, Over Temperature
- Packing Method :
- Rail
- Min Current Limit :
- 1.5A
- Packaging :
- Tube
- Terminal Pitch :
- 2.54mm
- Weight :
- 4.535924g
- Mounting Type :
- Through Hole
- Dropout Voltage :
- 1.95V
- Max Output Voltage :
- 37V
- Peak Reflow Temperature (Cel) :
- 260
- Number of Outputs :
- 1
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lead Free :
- Lead Free
- Factory Lead Time :
- 7 Weeks
- Published :
- 2003
- Pbfree Code :
- yes
- Current Rating :
- 1.5A
- Load Regulation-Max(%) :
- 5.8%
- Min Input Voltage :
- 4.2V
- Pin Count :
- 3
- Min Output Voltage :
- 1.2V
- Output Voltage :
- 37V
- Reference Voltage :
- 1.3V
- Height :
- 15.75mm
- Power Rating :
- 20W
- Dropout Voltage1-Nom :
- 3V
- Package / Case :
- TO-220-3
- Voltage - Input (Max) :
- 40V
- ECCN Code :
- EAR99
- Halogen Free :
- Halogen Free
- Mount :
- Through Hole
- Length :
- 10.28mm
- Base Part Number :
- LM317B
- Max Output Current :
- 400mA
- Max Junction Temperature (Tj) :
- 150°C
- PSRR :
- 80dB ~ 65dB (120Hz)
- REACH SVHC :
- No SVHC
- Output Type :
- Adjustable
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Operating Supply Voltage :
- 40V
- Number of Pins :
- 3
- Width :
- 4.82mm
- Number of Functions :
- 1
- Output Configuration :
- Positive
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Contact Plating :
- Tin
- JESD-609 Code :
- e3
- Number of Terminations :
- 3
- Radiation Hardening :
- No
- Operating Temperature :
- -40°C~125°C
- Datasheets
- LM317BT
Voltage Regulators - Linear STMicroelectronics LM317BT Overview
The LM317BT from STMicroelectronics is a versatile and robust adjustable linear voltage regulator, designed to cater to a variety of applications requiring a reliable power management solution. Capable of handling an output current of up to 1.5A and adjustable output voltage from 1.25V to 37V, this device ensures high precision voltage regulation with thermal overload protection. The LM317BT's flexible design and stable performance make it an ideal choice for developing advanced electronic systems, enhancing the performance and reliability of applications across various industries. The utilization of a TO220 package also guarantees efficient heat dissipation, crucial for maintaining optimal function and longevity.
LM317BT Features
The LM317BT features include adjustable output voltage from 1.25V to 37V, output current capability of 1.5A, and thermal overload protection. Its TO220 packaging is advantageous for thermal management, supporting enhanced device reliability and performance under varying operational conditions. Furthermore, the regulator's ability to maintain a stable output voltage despite changes in load conditions and input voltage makes it exceptionally suitable for high-demand applications.
LM317BT Applications
- Power Supplies: Essential for stabilizing and regulating voltage in benchtop power supplies, the LM317BT provides adjustable output to match specific voltage requirements, ensuring reliable power delivery and device safety.
- Battery Chargers: Utilized in charging circuits for its ability to precisely adjust charging voltage, thus optimizing battery performance and lifespan.
- Automotive Electronics: Suitable for automotive applications that require stable voltage under fluctuating power conditions, enhancing vehicle electronic reliability.
- LED Drivers: Acts as a current regulator to provide constant current despite varying voltage, crucial for maintaining LED performance and longevity.
- Consumer Electronics: Integral in personal devices for voltage regulation, ensuring the safety and efficiency of the electronics within various consumer products.
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