LM3411M5-5.0 Optical Popular Complex Integrated Circuits Precision Secondary Regulator / Driver
electronics ic chip
,integrated circuit ic
LM3411M5-5.0 / NOPB Optical Popular Complex Integrated Circuits Precision Secondary Regulator / Driver
Precision Secondary Regulator/Driver
Features
► Fixed voltages of 3.3V and 5.0V
with initial tolerance of ±1% for standard grade
and ±0.5% for A grade
► Custom voltages available (3V–17V)
► Wide output current range, 20 µA–15 mA
► Low temperature coefficient
► Available in 5-lead SOT23-5 surface mount package
(tape and reel)
Applications
► Secondary controller for isolated DC/DC PWM switching regulators systems
► Use with LDO regulator for high-precision fixed output regulators
► Precision monitoring applications
► Use with many types of regulators to increase precision and improve performance
General Description
The LM3411 is a low power fixed-voltage (3.3V or 5.0V) precision shunt regulator designed specifically for driving an optoisolator to provide feedback isolation in a switching regulator.
The LM3411 circuitry includes an internally compensated op amp, a bandgap reference, NPN output transistor, and voltage setting resistors.
A trimmed precision bandgap reference with temperature drift curvature correction, provides a guaranteed 1% precision over the operating temperature range (A grade version). The amplifier’s inverting input 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 sub-miniature 5-lead SOT23-5 surface mount package. This package is ideal for use in space critical applications.
Typical Application and Functional Diagram
STOCK LIST
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M65846FP | 3139 | MIT | 16+ | SOP |
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MAX6250BCSA | 3954 | MAXIM | 15+ | SOP |
BTA41-700B | 3587 | ST | 15+ | TO-218 |
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LMC7111BIM5 | 10000 | NSC | 14+ | SOT-23-5 |
LM3876T | 543 | NSC | 13+ | ZIP-11 |
LMC6062AIM | 4239 | NSC | 14+ | SOP-8 |
LMV431BIMF | 10000 | NSC | 15+ | SOT-23 |
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LMC6572BIM | 4338 | NSC | 14+ | SOP-14 |
LMC6482IMX | 2999 | NSC | 15+ | SOP-8 |
LM7301IM5 | 4926 | NSC | 15+ | SOT-23-5 |
PAL007A | 3260 | MOSFET | 14+ | ZIP |
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LM26CIM5-TPA | 5000 | NSC | 14+ | SOT-23-5 |
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