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TI LM317LIPKG3 product image
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TI LM317LIPKG3

Manufacturer
TI
MPN
LM317LIPKG3
LCSC Part #
C5356668
Packaging
SOT-89-3
Customer #
Key Attributes
1.2V~32V Positive Adjustable SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators RoHS
DatasheetTI LM317LIPKG3
RoHS Compliance1 documents available
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1+$ 1.0195$ 1.02
200+$ 0.4075$ 81.50
500+$ 0.3937$ 196.85
1,000+$ 0.3875$ 387.50
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerTI
PackagingSOT-89-3
Output Voltage1.2V~32V
Number of Outputs1
Operating Temperature-40℃~+125℃
Supply Current (Iq)2.5mA
Output ConfigurationPositive
Output Current100mA
Operating Voltage38V
FeaturesOver Current Protection;Thermal shutdown
Output TypeAdjustable
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Introduction

AI Translation

The LM317L is an adjustable 3-terminal positive voltage regulator capable of supplying up to 100mA over an output voltage range of 1.25V to 37V. The device is exceptionally easy to use, requiring only two external resistors to set the output voltage.

For the older version, the LM317LC series has a junction temperature range of 0°C to +125°C, and the LM317LI device operates over a junction temperature range of –40°C to +125°C. For the newer version, both the LM317LC and LM317LI series have a junction temperature range of –40°C to +125°C.

The LM317L is a 100mA linear regulator with high voltage tolerance up to 37V. The device's feedback voltage is referenced to the output rather than ground. This floating design gives the LM317L excellent line and load regulation. It also allows the LM317L to be used as a current source or current sink with a single resistor. By using two resistors, any output voltage from 1.25V to 32V can be obtained. The device has a bias current of up to 2.5mA flowing to the output; this current must be sunk by the load or feedback resistors. Power dissipation is the product of the pass transistor voltage and current, calculated as follows:

PD = (VIN - VOUT) × IOUT

The heatsink used must be capable of absorbing the power calculated by the above equation.

In addition to offering better performance than fixed regulators, this regulator provides comprehensive overload protection available only in ICs. On-chip current limiting and thermal overload protection are included. All overload protection circuits remain fully functional even if the ADJUSTMENT connection is disconnected. In general, no capacitors are required unless the device is located far from the input filter capacitor, in which case an input bypass capacitor is needed. An optional output capacitor can be added to improve transient response.

Features

AI Translation
  • Output Voltage Range (VO):
    • New version: adjustable from 1.25V to 37V
    • Legacy version: adjustable from 1.25V to 32V
  • Output Current: up to 100mA
  • Accuracy:
    • Line Regulation: typically 0.01% per V input change
    • Load Regulation: typically 0.5%
  • Ripple Rejection:
    • Typically 80dB at 120Hz
    • Typically 65dB at 100kHz
  • For higher output current requirements, refer to LM317M (500mA) and LM317 (1.5A)

Applications

AI Translation
  • Electronic point of sale
  • Medical, health, and fitness applications
  • Printers
  • Home appliances and white goods