LM317LM
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- Mfr.Part #
- LM317LM
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG LIN POS ADJ 100MA 8SOIC
- Stock
- 5,826
- In Stock ：
- 5,826
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- Voltage Regulators - Linear
- JESD-609 Code :
- e3
- Packaging :
- Tube
- Number of Functions :
- 1
- Number of Terminations :
- 8
- Number of Outputs :
- 1
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Min Input Voltage :
- 4.2V
- Number of Regulators :
- 1
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Published :
- 2012
- Max Output Voltage :
- 37V
- Voltage - Input (Max) :
- 40V
- Weight :
- 142.994995mg
- Power Supply Rejection Ratio (PSRR) :
- 65dB
- Max Output Current :
- 100mA
- Voltage - Output (Max) :
- 37V
- Protection Features :
- Over Temperature, Short Circuit
- Mounting Type :
- Surface Mount
- Width :
- 3.95mm
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Dropout Voltage1-Nom :
- 3V
- Radiation Hardening :
- No
- Operating Temperature :
- 0°C~125°C
- Length :
- 5.13mm
- PSRR :
- 80dB (120Hz)
- Output Voltage :
- 37V
- Output Configuration :
- Positive
- Base Part Number :
- LM317
- Mount :
- Surface Mount
- REACH SVHC :
- No SVHC
- Number of Pins :
- 8
- Pbfree Code :
- yes
- Terminal Finish :
- Tin (Sn)
- Reference Voltage :
- 1.3V
- Output Type :
- Adjustable
- RoHS Status :
- RoHS Compliant
- Height :
- 1.55mm
- Min Output Voltage :
- 1.2V
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- Datasheets
- LM317LM
Adjustable LM317 PMIC 8-SOIC (0.154, 3.90mm Width)
LM317LM Description
The LM317LM is a positive voltage regulator with a 1.2-V to 37-V output range that can produce 100 mA. The LM317LM is simple to set the output voltage using only two external resistors. Standard fixed regulators are inferior in both line and load regulation. The LM317LM is offered in a conventional TO-92 transistor package that is simple to use. Full overload protection is provided by the LM317LM. Current limit, thermal overload protection, and safe area protection are all included in the chip. Unless the device is more than 6 inches away from the input filter capacitors, in which case an input bypass is necessary.
Because the LM317LM has a floating topology and only observes the input-to-output differential voltage, it can control supplies up to several hundred volts as long as the maximum input-to-output differential is not exceeded. The LM317LM can be used as a simple adjustable switching regulator, a programmable output regulator, or a precision current regulator by attaching a fixed resistor between the adjustment and output.
LM317LM Features
-
Adjustable Output Down to 1.2 V
-
100-mA Output Current
-
Capable of Handling up to 40V VIN
-
Line Regulation Typically 0.01% /V
-
Load Regulation Typically 0.1% /A
-
No Output Capacitor Required (?)
-
Current Limit Constant With Temperature
-
Eliminates the Need to Stock Many Voltages
-
Standard 3-Lead Transistor Package
-
80-dB Ripple Rejection
-
Available in 3-Pin TO-92, 8-Pin SOIC, or 6-pin DSBGA Packages
-
Output is Short-Circuit Protected
LM317LM Applications
-
Automotive LED Lighting
-
Battery Chargers
-
Post Regulation for Switching Supplies
-
Constant-Current Regulators
-
Microprocessor Supplies
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