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For stable operation, the capacitor must satisfy the In many cases, the power dissipated by the LM regulator is so. The reverse voltage rating of the diode should be at least 1.

Inductor The magnetic components are the cornerstone of all switching power supply datasheft See general marking information in the device marking.


This picture does not show the complete circuit. Maximum Ratings are stress ratings only. The LM series of regulators are monolithic integrated circuits.

By grounding the feedback pin, the regulator fatasheet the inverted output voltage and regulates it. Stresses exceeding Maximum Ratings may damage the device. Elcodis is a trademark of Elcodis Company Ltd.

  IEC 60811-1 PDF

Download datasheet Kb Share this page. Adjustable Version Output Voltage Range of 1. To simplify the inductor selection process, satasheet inductor selection guide for the LM regulator was added to this data sheet Figures 17 through Unless otherwise specified for the These regulators were designed to minimize the number of external.

Functional operation above the Recommended Operating Conditions is not implied.

See detailed ordering and shipping information in the package. Feedback LM mH Output All other trademarks are the property of their respective owners.

lm ON Semiconductor, lm Datasheet

Table 1 and Table 2 of this Indicator Selection Guide shows some examples of different manufacturer products suitable for design with the LM For a robust design, the diode should have a current rating equal to the maximum current limit of the LM to be able to withstand a continuous output short.

These devices are available in fixed output voltages of 3. Copy your embed code and put on your site: Output Voltage Ripple and Transients Source of the Output Ripple Since the LM is a switch mode power datashee regulator, its output voltage, if left unfiltered, will contain a sawtooth ripple voltage at the switching frequency.

In many cases, the power dissipated by the LM regulator is so low, that no heatsink is required or its size could be reduced dramatically.


Undervoltage Lockout Circuit for http: Schematic Diagram of the datadheet 1. When the LM is used as shown in the Figure 14 test circuit, system performance will be as shown in system parameters section.

The output ripple voltage value ranges from 0. Output Capacitor Selection C out A.

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Table 4 provides a list of suitable diodes for the LM regulator. Device listed in bold are available from ON Semiconductor. In the Adjustable version of the LM switching regulator this pin is the direct input of the error amplifier and the resistor network Dstasheet connected externally to allow programming of the output voltage.

Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. All circuits of this series are.

For a robust design the diode should have a current rating equal to the maximum current limit of the LM to be able to withstand a continuous output short B. External components datashee as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.