LMZ23605TZ National Semiconductor, LMZ23605TZ Datasheet
LMZ23605TZ
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LMZ23605TZ Summary of contents
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... Point of load conversions from 12V and 24V input rail ■ Time critical projects ■ Space constrained / high thermal requirement applications ■ Negative output voltage applications See AN-2027 © 2011 National Semiconductor Corporation LMZ23605 Performance Benefits ■ High efficiency reduces system heat generation ■ Complies with EN55022 Class B ■ ...
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... Simplified Application Schematic Connection Diagram Ordering Information Order Number LMZ23605TZ LMZ23605TZE LMZ23605TZX Pin Descriptions Pin Name Description 1 VIN Supply input — Nominal operating range 36V . A small amount of internal capacitance is contained within the package assembly. Additional external input capacitance is required between this pin and exposed pad (PGND). ...
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Pin Name Description 6 SS/ Soft-Start/Track — To extend the 1.6 mSec internal soft-start connect an external soft start capacitor. For tracking TRK connect to an external resistive divider connected to a higher priority supply rail. See applications section 7 ...
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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 to PGND EN, SYNC to AGND SS/TRK AGND AGND to PGND Junction Temperature Storage Temperature Range Electrical Characteristics junction temperature (T ) range of -40°C to +125°C. Minimum and Maximum limits are guaranteed through test, design or statistical J correlation ...
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Symbol Parameter PERFORMANCE PARAMETERS(Note ΔV Output voltage ripple O ΔV /ΔV Line regulation O IN ΔV /ΔI Load regulation O OUT η Peak efficiency η Full load efficiency η Peak efficiency η Full load efficiency Note 1: Absolute Maximum Ratings ...
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Typical Performance Characteristics Unless otherwise specified, the following conditions apply: V Polymer + 10 uF Ceramic; Tambient = 25° C for waveforms. Efficiency and dissipation plots marked with * have cycle skipping at light loads resulting in slightly higher output ...
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Efficiency 3.3V output @ 25°C ambient 100 Vin 12 Vin 20 Vin 50 24 Vin 30 Vin 36 Vin OUTPUT CURRENT (A) Efficiency 2.5V output @ 25°C ambient 90 ...
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Efficiency 1.5V output @ 25°C ambient OUTPUT CURRENT (A) Efficiency 1.2V output @ 25°C ambient Vin 40 9 Vin 12 Vin 20 Vin 30 24 ...
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Efficiency 0.8V output @ 25°C ambient Vin 30 9 Vin 12 Vin 20 Vin Vin* 30 Vin* 36 Vin OUTPUT CURRENT (A) Efficiency 6.0V output @ 85°C ...
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Efficiency 3.3V output @ 85°C ambient OUTPUT CURRENT (A) Efficiency 2.5V output @ 85°C ambient OUTPUT CURRENT (A) Efficiency 1.8V ...
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Efficiency 1.5V output @ 85°C ambient Vin 40 9 Vin 12 Vin 20 Vin 30 24 Vin 30 Vin* 36 Vin OUTPUT CURRENT (A) Efficiency 1.2V output @ 85°C ...
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Efficiency 0.8V output @ 85°C ambient Vin 9 Vin 12 Vin 20 Vin Vin* 30 Vin* 36 Vin OUTPUT CURRENT (A) Thermal derating V = 12V ...
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Normalized Line and load regulation V 1.002 1.001 1.000 9 Vin 12 Vin 0.999 20 Vin 24 Vin 30 Vin 36 Vin 0.998 OUTPUT CURRENT (A) Output ripple 12V 3. 250 MHz ...
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Block Diagram General Description The LMZ23605 SIMPLE SWITCHER© power module is an easy-to-use step-down DC-DC solution capable of driving load. The LMZ23605 is available in an innovative pack- age that enhances thermal performance and allows for hand ...
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Whereas the falling threshold level can be calculated using: V (falling (rising) – 21 µ ENT R ) ENH OUTPUT VOLTAGE SELECTION Output voltage is determined by a divider of two resistors connected between ...
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Tracking option input detail FIGURE 2. C SELECTION O None of the required C output capacitance is contained with the module. A minimum value of 200 μF is required based on the values of internal compensation in the ...
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PC BOARD LAYOUT GUIDELINES PC board layout is an important part of DC-DC converter de- sign. Poor board layout can disrupt the performance of a DC- DC converter and surrounding circuitry by contributing to EMI, ground bounce and resistive voltage ...
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Trace two is 1.5V pre-bias rising to 3.3V. Risetime determined trace three. SS Pre-Biased Startup DISCONTINUOUS CONDUCTION AND CONTINUOUS CONDUCTION MODES At light load the regulator will operate in discontinuous con- duction mode (DCM). With ...
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... Panasonic 0805 Panasonic 0805 Vishay Dale 0805 Panasonic 0805 Panasonic 0805 Vishay Dale 0805 Vishay Dale 0805 AVX SOD-123 Diodes Inc. 19 30116907 Manufacturer P/N LMZ23605TZ CC1206KRX7R9BB473 UMK325BJ106MM-T EEE-FK1H151P CC1206KRX7R9BB473 C3225X5R0J107M EEF-UE0J221LR ERJ-6ENF3321V ERJ-6ENF1071V CRCW08051K50FKEA ERJ-6ENF4222V ERJ-6ENF1272V CRCW080523R7FKEA CRCW0805100RFKEA 0805YC474KAT2A MMSZ5231BS-7-F www.national.com ...
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FIGURE 6. Top View Demonstration Board – See AN–2125 www.national.com FIGURE 5. Top View Evaluation Board – See AN–2085 20 30116916 30116917 ...
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Physical Dimensions inches (millimeters) unless otherwise noted 7-Lead TZA Package NS Package Number TZA07A 21 www.national.com ...
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