LMZ10505TZE-ADJ/NOPB National Semiconductor, LMZ10505TZE-ADJ/NOPB Datasheet
LMZ10505TZE-ADJ/NOPB
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LMZ10505TZE-ADJ/NOPB Summary of contents
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... Refer to JA AN-2022. Note 2: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Figure 5 and layout for information on device under test. © 2010 National Semiconductor Corporation LMZ10505 Performance Benefits ■ Operates at high ambient temperatures ■ ...
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... Typical Application Circuit Connection Diagram Ordering Information Order Number Supplied As LMZ10505TZE-ADJ 45 Units in a Rail LMZ10505TZ-ADJ 250 Units in Tape and Reel LMZ10505TZX-ADJ 500 Units in Tape and Reel Pin Descriptions Pin Number Name 1 VIN Power supply input. A low ESR input capacitance should be located as close as possible to the VIN pin and exposed pad (EP) ...
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Pin Number Name 6, 7 VOUT The output terminal of the internal inductor. Connect the output filter capacitor between VOUT pin and EP. EP Exposed Exposed pad is used as a thermal connection to remove heat from the device. Connect ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. VIN, VOUT, EN, FB GND ESD Susceptibility (Note 6) Power Dissipation Junction Temperature Electrical Characteristics apply over the operating junction temperature range T test, design, or statistical correlation. Typical values represent the most likely parametric norm at T reference purposes only ...
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Electrical Characteristics apply over the operating junction temperature range T test, design, or statistical correlation. Typical values represent the most likely parametric norm at T reference purposes only 3.3V, unless otherwise indicated in the conditions column. ...
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Typical Performance Characteristics V = 5.0V µF 10V X5R ceramic capacitor Load Transient Response V = 3.3V 2.5V 0.5A to 4.5A to 0.5A step IN OUT OUT 20 MHz Bandwidth ...
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Efficiency V = 1.8V OUT 30107469 Efficiency V = 1.2V OUT 30107468 Current Derating = 5V, θ 20° 30107414 Efficiency V = 1.5V OUT Efficiency V = 0.8V OUT Current Derating = 3.3V, θ ...
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Radiated Emissions (EN 55022, Class 5V 2.5V OUT Evaluation Board Pre-biased Startup V = 2.5V, I OUT OUT www.national.com = 5A OUT 30107412 = 0A 30107455 8 Startup V = 2.5V ...
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Block Diagram General Description The LMZ10505 SIMPLE SWITCHER® power module is a complete, easy-to-use DC-DC solution capable of driving load with exceptional power conversion efficiency, output voltage accuracy, line and load regulation. The LMZ10505 is available ...
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A second criteria before finalizing the C the RMS current capability. The necessary RMS current rat- ing of the input capacitor to a buck regulator can be estimated by With this high AC current present in the input capacitor, the ...
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TABLE 1. Recommended Output Filter Capacitors C (µF) Voltage (V), R (mΩ) O ESR 22 6.3, < 6.3, < 6.3, < 10.0, < 5 100 6.3, < 5 100 6.3, 50 100 6.3, 25 ...
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Estimate Power Dissipation And Board Thermal Requirements Use the current derating curves in the typical performance characteristics section to obtain an estimate of power loss (P ). For the design case of V IC_LOSS 85°C ...
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Additional Features ENABLE The LMZ10505 features an enable (EN) pin and associated comparator to allow the user to easily sequence the LMZ10505 from an external voltage rail manually set the input UVLO threshold. The turn-on or rising threshold ...
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For example, if the master supply voltage V the LMZ10505 output voltage was 1.8V, then the value of R needed to give the two supplies identical soft-start times trkb would be 14.3 kΩ. A timing diagram for this example, the ...
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LMZ10505 Application Circuit Schematic and BOMs This section provides several application solutions with an associated bill of materials. The compensation for each solu- tion was optimized to work over the full input range. Many TABLE 3. Bill of Materials, V ...
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TABLE 5. Bill of Materials 3. Designator Description U1 SIMPLE SWITCHER® µF, X5R, 10V in1 C 220 µF, 10V, AL-Elec in2 C 4.7 µF, X5R, 10V µF, X5R, 6.3V ...
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TABLE 7. Bill of Materials, V Designator Description U1 SIMPLE SWITCHER® µF, X7R, 16V in1 4.7 µF, X5R, 6.3V in2 µF, X5R, 16V in3 µF, X5R, 6.3V ...
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TABLE 9. Bill of Materials 5V Designator Description U1 SIMPLE SWITCHER® µF, X7R, 16V in1 C 4.7 µF, X5R, 6.3V in2 C 47 µF, X5R, 6.3V in3 C 100 µF, X5R, 6. ...
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PCB Layout Diagrams The PCB design is available in the LMZ10505 product folder at www.national.com. FIGURE 6. Top Copper FIGURE 7. Internal Layer 1 (Ground) 19 30107476 30107477 www.national.com ...
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FIGURE 8. Internal Layer 2 (Ground and Signal Traces) www.national.com FIGURE 9. Bottom Copper 20 30107478 30107479 ...
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Physical Dimensions inches (millimeters) unless otherwise noted TO-PMOD-7 Pin Package NS Package Number TZA07A 21 www.national.com ...
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