LMZ12003TZ-ADJ/NOPB National Semiconductor, LMZ12003TZ-ADJ/NOPB Datasheet
LMZ12003TZ-ADJ/NOPB
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LMZ12003TZ-ADJ/NOPB Summary of contents
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... Point of load conversions from 5V and 12V input rail ■ Time critical projects ■ Space constrained high thermal requirement applications ■ Negative output voltage applications (See AN-2027) © 2010 National Semiconductor Corporation LMZ12003 Performance Benefits ■ Operates at high ambient temperature with no thermal derating ■ ...
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... Simplified Application Schematic Connection Diagram Ordering Information Order Number LMZ12003TZ-ADJ LMZ12003TZX-ADJ LMZ12003TZE-ADJ Pin Descriptions Pin Name Description 1 VIN Supply input — Nominal operating range is 4.5V to 20V . A small amount of internal capacitance is contained within the package assembly. Additional external input capacitance is required between this pin and exposed pad. ...
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Pin Name Description 6 FB Feedback — Internally connected to the regulation, over-voltage, and short-circuit comparators. The regulation reference point is 0.8V at this input pin. Connected the feedback resistor divider between the output and ground to set the output ...
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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, RON to GND EN, FB GND 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 η Efficiency η Efficiency Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For guaranteed specifications and ...
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Efficiency 6V Input @ 85°C Efficiency 8V Input @ 85°C Efficiency 12V Input @ 85°C www.national.com Dissipation 6V Input @ 85°C 30109033 Dissipation 8V Input @ 85°C 30109040 Dissipation 12V Input @ 85°C 30109042 6 30109034 30109041 30109043 ...
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Line and Load Regulation @ 25°C Transient Response 12V 3.3V 0. Step IN O Application Block Diagram 12V 3.3V IN 30109048 Thermal Derating V 30109006 7 Output Ripple 3A 20mV/div 1μSec/div O 30109005 = 1.8V OUT 30109051 30109008 ...
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General Description The LMZ12003 SIMPLE SWITCHER power module is an easy-to-use step-down DC-DC solution capable of driving load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12003 is available in an innovative ...
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SS pin. Voltage levels between 0.8V and 3.8V have no effect on other circuit operation. Note that the following conditions will reset the soft-start capacitor by discharging the SS input to ground ...
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CCM and DCM Operating Modes = 3A/0.4A 2 μsec/div V = 12V 3.3V The approximate formula for determining the DCM/CCM boundary is as follows: ≊ )/(2*6.8 μH *(V –V DCB O IN ...
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LMZ12003 to minimize noise. 4. 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. ...
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... ENT R 11.8 kΩ ENB C 22 nF, ±10%, X7R, 16V nF, ±10%, X7R, 16V SS www.national.com Case Size Case Size TO-PMOD-7 National Semiconductor 1206 Taiyo Yuden 1210 Taiyo Yuden 1206 Taiyo Yuden 1210 Taiyo Yuden 0603 Vishay Dale 0603 Vishay Dale 0603 Vishay Dale ...
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13 30109016 30109017 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 7-Lead TZA Package NS Package Number TZA07A 14 ...
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Notes 15 www.national.com ...
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