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Details for LM317MDT/NOPB by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
LM317MDT/NOPB
Buy Directly from Texas Instruments (3648 in stock) $0.4900
ADJUSTABLE LINEAR REGULATOR 1.2V TO 37V
LM317MDT/NOPB image

LM317MDT/NOPB by Texas Instruments

ADJUSTABLE LINEAR REGULATOR 1.2V TO 37V
Features
1.5-A Output Current
80-dB Ripple Rejection
Adjustable Output Down to 1.25 V
Current Limit Constant With Temperature
Short-Circuit Protected Output
Typ. 0.01%/V Line Regulation
Typ. 0.1% Load Regulation
u221255u00b0C to 150u00b0C Operating Temperature Range
Part Information
LM317MDT/NOPB image
RoHS Compliant
Description
The LM117 and LM317-N series of adjustable 3-pin positive voltage regulators are capable of supplying in excess of 1.5 A over a 1.25-V to 37-V output range and a wide temperature range. They are exceptionally easy to use and require only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators. The LM117 and LM317-N offer full overload protection such as current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected. Typically, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors, in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios that are difficult to achieve with standard 3-terminal regulators. Because the regulator is floating and detects only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input-to-output differential is not exceeded. That is, avoid short-circuiting the output. By connecting a fixed resistor between the adjustment pin and output, the LM117 and LM317-N can be also used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground, which programs the output to 1.25 V where most loads draw little current. For applications requiring greater output current, see data sheets for LM150 series (3 A), SNVS772, and LM138 series (5 A), SNVS771. For the negative complement, see LM137 (SNVS778) series data sheet.
Specifications
Output Type:
Adjustable
Input Voltage Min:
3V
Input Voltage Max:
40V
Fixed Output Voltage Nom.:
-
Adjustable Output Voltage Min:
1.2V
Adjustable Output Voltage Max:
37V
Packaging:
Each
Alternate Descriptions
ADJUSTABLE LINEAR REGULATOR, 1.2V TO 37V; MSL:MSL 2 - 1 year; SVHC:No SVHC (15-Jan-2019) RoHS Compliant: Yes Newark Electronics
Standard Regulator Pos 1.2V to 37V 0.5A 3-Pin(2+Tab) TO-252 Rail Avnet America
Standard Regulator Pos 1.2V to 37V 0.5A 3-Pin(2+Tab) TO-252 Rail Avnet Europe
1.5-A, 40-V, adjustable linear voltage regulator Texas Instruments