LM3671MF-1.8EV National Semiconductor, LM3671MF-1.8EV Datasheet
LM3671MF-1.8EV
Specifications of LM3671MF-1.8EV
Related parts for LM3671MF-1.8EV
LM3671MF-1.8EV Summary of contents
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... The fixed output voltage options available in a SOT 23-5 Typical Application FIGURE 1. Fixed Output Voltage — Typical Application Circuit FIGURE 2. Adjustable Output Voltage — Typical Application Circuit © 2008 National Semiconductor Corporation National Semiconductor Application Note 1395 Netnarin Joy Taylor and Vera Tsang October 10, 2008 package are 1 ...
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... Output Voltage Selection for LM3671MF-ADJ The output voltage of the adjustable parts can be pro- grammed through the resistor network connected from GND. The resistor from FB to GND (R 200 kΩ to keep the current drawn through this network well below 16 µA quiescent current level (PFM mode) but large enough that it is not susceptible to noise ...
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Powering the LM3671 for Bench Measurements When powering the LM3671 with a bench power supply recommended to place a 100 µF tantalum capacitor across the V and GND supply terminals of the bench power supply. IN This capacitor ...
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TABLE 3. Pin Descriptions (6–pin LLP) Pin# Name Description 1 EN Enable pin. The device is in shutdown mode when voltage to this pin is < 0.4V and enabled when > 1.0V. Do not leave this pin floating. 2 PGND ...
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Evaluation Board Layout FIGURE 6. Top Layer (SOT23-5) FIGURE 7. Top Layer (5-bump micro SMD) 5 20164731 20164721 www.national.com ...
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FIGURE 8. Bottom Layer (SOT23-5 and 5-bump micro SMD) www.national.com FIGURE 9. Top Layer (6–pin LLP) 6 20164723 20164717 ...
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FIGURE 10. Bottom Layer (6–pin LLP) 7 20164718 www.national.com ...
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... BOM For Common Configurations Manufacture LM3671MF/TL-1.5 FIXED, LM3671LC-1.6 FIXED C2 (input C) TDK C1 (output C) TDK L1 (inductor) Coilcraft Vishay OUT GND) None None OUT GND) None FB LM3671MF/TL - 1.8V ADJUSTABLE CIN (input C) TDK COUT (output C) TDK L1 (inductor) Coilcraft Vishay OUT GND) Vishay Vishay OUT GND) None FB COMMON TO ALL V ...
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Notes 9 www.national.com ...
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