LMZ23603TZ National Semiconductor, LMZ23603TZ Datasheet
LMZ23603TZ
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LMZ23603TZ 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 LMZ23603 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 LMZ23603TZ LMZ23603TZE LMZ23603TZX 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 7 VOUT Output Voltage — Output from the internal inductor. Connect the output capacitor between this pin and exposed pad. EP/ EP/ Exposed Pad / Power Ground Electrical path for the power circuits within the module. — ...
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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, FBto 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 θ Junction to Ambient(Note JA θ Junction to Case JC PERFORMANCE PARAMETERS(Note ΔV Output voltage ripple O ΔV /ΔV Line regulation O IN ΔV Load regulation /I O OUT η Peak efficiency η Full load efficiency η Peak ...
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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 is 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 ...
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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 Vin ...
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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 100 90 ...
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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 output @ ...
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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 ambient 80 ...
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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 0.999 0.998 0 1 OUTPUT CURRENT (A) Output ripple from evaluation board 12V 3. 250 MHz IN O Short circuit current Output Current ...
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Block Diagram General Description The LMZ23603 SIMPLE SWITCHER© power module is an easy-to-use step-down DC-DC solution capable of driving load. The LMZ23603 is available in an innovative pack- age that enhances thermal performance and allows for hand ...
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Enable input detail Figure 1 OUTPUT VOLTAGE SELECTION Output voltage is determined by a divider of two resistors connected between V and ground. The midpoint of the di- O vider is connected to the FB input. The regulated output voltage ...
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X5R ceramic. This combination provides excellent performance that may exceed the requirements of certain ap- plications. Additionally some small ceramic capacitors can be used for high frequency EMI suppression. C SELECTION IN The LMZ23603 module contains a small ...
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Make input and output bus connections as wide as possible. This reduces any voltage drops on the input or output of the converter and maximizes efficiency. To optimize voltage ac- curacy at the load, ensure that a separate feedback ...
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CCM and DCM Operating Modes = 3A/0.3A 2 μsec/div V = 12V 3.3V www.national.com The approximate formula for determining the DCM/CCM boundary is as follows: ≊ *(V –V DCB O IN The ...
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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 30152607 Manufacturer P/N LMZ23603TZ 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 30152616 30152617 ...
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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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