LM25061MM-2EVAL/NOPB National Semiconductor, LM25061MM-2EVAL/NOPB Datasheet
LM25061MM-2EVAL/NOPB
Specifications of LM25061MM-2EVAL/NOPB
Related parts for LM25061MM-2EVAL/NOPB
LM25061MM-2EVAL/NOPB Summary of contents
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... The system voltage connected to the input terminal block (J1). The exter- nal load connected to the output terminal block (J2). Capacitors C3 and C4 represent capacitance which is typi- © 2009 National Semiconductor Corporation National Semiconductor Application Note 1946 Dennis Morgan June 29, 2009 • ...
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Theory of Operation The LM25061 provides intelligent control of the power supply connections of a load which connected to a live power source. The two primary functions of a hot swap circuit are in- rush current limiting ...
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The UVLO thresholds are set by resistors R1 and R2 and the PGD thresholds are set by resistors R3 and R4. Internal cur- FIGURE 3. Power Up Using Power Limit and Current Limit Board Layout and Probing Cautions The pictorial ...
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Circuit Parameter Changes CURRENT LIMIT The current limit threshold is set by R10 according to the fol- lowing equation mV/R10 LIM If the load current increases such that the voltage across R10 reaches 50 mV, the LM25061 ...
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UVLO Input Voltage Threshold Programming the UVLO thresholds sets the minimum system voltage to enable the series pass device (Q1 the UVLO thresholds switched off, denying power to the load. Programmable hysteresis is provided. OPTION A ...
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... The companion Hot-Swap IC, the LM25061-1, latches off af- ter a fault detection, with external control required for restart. Restart is accomplished by momentarily taking the UVLO pin below its threshold removing and re-applying the input voltage at VIN. Contact the nearest National Semiconductor sales office to obtain samples of the LM25061-1. 6 30091416 µ ...
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Performance Characteristics Horizontal Resolution: 100 ms/div Trace 10V/div IN Trace 2: TIMER Pin, 1V/div Trace 10V/div OUT V = 12V 0.68 µ FIGURE 8. Insertion Time Delay Horizontal Resolution: 1 ...
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Horizontal Resolution: 2 ms/div Trace 2: TIMER Pin, 1V/div Trace 10V/div OUT Trace 4: Input Current, 2A/div V = 14V, Load = 3Ω 0.68 µ FIGURE 12. Restart Fault Timeout www.national.com 30091421 Horizontal ...
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... Fairchild FDD8874 Vishay CRCW120614K0F Vishay CRCW08054K99F Vishay CRCW080523K2F Vishay CRCW08052K26F Vishay CRCW1206100KF Vishay CRCW08050000Z Vishay CRCW080534K8F Vishay WSL2010R0100F NKK M2012SS1W03-RO Nat’l Semi LM25061MM-2 Diodes Inc. SMBJ16A 9 Package Value 0805 1000 pF, 100V Surf. Mount 220 µF, 35V 1206 0.1 µF, 100V Surf. Mount 100 µ ...
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PC Board Layout www.national.com Board Silkscreen Board Top Layer Board Bottom Layer (viewed from top) 10 30091424 30091425 30091426 ...
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Notes 11 www.national.com ...
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