LM3411AM5-5.0/NOPB Part Information

Details for LM3411AM5-5.0/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The LM3411 is a low-power fixed-voltage (3.3 V or 5 V) precision shunt regulator designed specifically for driving an optoisolator to provide feedback isolation in a switching regulator. The LM3411 circuitry includes an internally compensated operational amplifier, a bandgap reference, NPN output transistor, and voltage setting resistors. A trimmed precision bandgap reference with temperature drift curvature correction provides a ensured 1% precision over the operating temperature range (A grade version). The inverting input of the amplifier is externally accessible for loop frequency compensation when used as part of a larger servo system. The output is an open-emitter NPN transistor capable of driving up to 15 mA of load current. Because of its small die size, the LM3411 has been made available in the subminiature 5-pin SOT-23 surface-mount package. This package is ideal for use in space-critical applications. Although its main application is to provide a precision output voltage (no trimming required) and maintain very good regulation in isolated DC-DC converters, it can also be used with other types of voltage regulators or power semiconductors to provide a precision output voltage without precision resistors or trimming.

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Part Features

  • Available in 5-Pin SOT-23 Surface-Mount
  • Custom Voltages Available (3 V to 17 V)
  • Fixed Voltages of 3.3 V and 5 V With Initial Tolerance of u00b11% for Standard Grade and u00b10.5% for A Grade
  • Low Temperature Coefficient
  • Wide Output Current Range (20 u03bcA to 15 mA)

Part Specifications

Voltage Reference Type Shunt - Fixed
Product Range -
Reference Voltage 5V
Initial Accuracy 0.5%
Temperature Coefficient -
Voltage Reference Case Style SOT-23
No. of Pins 5Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 0.5%
Base Number 3411
Input Voltage 3V to 17V
Input Voltage Max 17V
Input Voltage Min 3V
Operating Temperature Range -40°C to +85°C
Output Current Max 15mA
Reference Volt Tolerance ±% 0.5%
Reference Voltage Tolerance 50mV
Reference Volts 5V
Supply Voltage Max 20V
Termination Type Surface Mount Device
Topology Shunt
Voltage Regulator Type Precision
RoHS Compliant

Alternative Part Descriptions

  • Precision secondary regulator & driver | Texas Instruments

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