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Home > Semiconductors > Power Management ICs > Low Dropout Regulators - LDO > National Semiconductor LM1117MPX-ADJ Voltage Regulator Low Drop Out (LDO) 1.25V to 13.8V 1.5A SMD SOT-223

National Semiconductor LM1117MPX-ADJ Voltage Regulator Low Drop Out (LDO) 1.25V to 13.8V 1.5A SMD SOT-223

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Quick Overview

National Semiconductor - Nsc Lm1117Mpx-Adj Linear Voltage Regulator IC; Voltage Regulator Type:LDO Linear; Input Voltage Primary Max:15V; Output Voltage Max:13.8V; Output Current Max:800mA; Dropout Voltage, Vdo:1.2V; Voltage Tolerance 1:0.01%; No. of Outputs:1

National Semiconductor LM1117MPX-ADJ Voltage Regulator Low Drop Out (LDO) 1.25V to 13.8V 1.5A SMD SOT-223

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National Semiconductor LM1117MPX-ADJ Voltage Regulator Low Drop Out (LDO) 1.25V to 13.8V 1.5A SMT / SMD SOT-223

The LM1117MPX-ADJ is a low-dropout Linear Voltage Regulator with a dropout of 1.2V at 800mA of load current. The LM1117 is available in an adjustable version, which can set the output voltage from 1.25 to 13.8V with only two external resistors. The LM1117 offers current limiting and thermal shutdown. Its circuit includes a Zener trimmed band-gap reference to assure output voltage accuracy to within ±1%. A minimum of 10µF tantalum capacitor is required at the output to improve the transient response and stability The LM1117 adjustable version develops a 1.25V reference voltage VREF between the output and the adjust terminal. The current IADJ from the adjust terminal could introduce error to the output. But since it is very small compared with the I1 and very constant with line and load changes, the error can be ignored. The constant current I1 then flows through the output set resistor R2 and sets the output voltage to the desired level.
  • Current limiting and thermal protection
  • 0.2% Line regulation
  • 0.4% Load regulation

Description

  • Linear Voltage Regulator IC
  • Voltage Regulator Type:LDO Linear
  • Input Voltage Primary Max:15V
  • Output Voltage Max:13.8V
  • Output Current Max:800mA
  • Dropout Voltage, Vdo:1.2V
  • Voltage Tolerance ±:0.01%
  • No. of Outputs:1
  • RoHS Compliant: No

Additional Information

LM1117MPX-ADJ
Manufacturer: Texas Instruments
Product Category: LDO Voltage Regulators
Input Voltage MAX: 15 V
Output Voltage: 1.25 V to 13.8 V
Dropout Voltage: 1.1 V at 100 mA, 1.15 V at 500 mA, 1.2 V at 800 mA
Output Current: 1.5 A
Load Regulation: 0.2 %
Number of Outputs: 1 Output
Output Type: Adjustable
Maximum Operating Temperature: + 125 C
Mounting Style: SMD/SMT
Package / Case: SOT-223-4
Brand: Texas Instruments
Ib - Input Bias Current: 5 mA
Line Regulation: 0.035 %
Click here to Download Datasheet I
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