LM3670MF-1.2EV National Semiconductor, LM3670MF-1.2EV Datasheet
LM3670MF-1.2EV
Specifications of LM3670MF-1.2EV
Related parts for LM3670MF-1.2EV
LM3670MF-1.2EV Summary of contents
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... Automatic intelligent switching between PWM low- 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 1348 Netnarin Joy Taylor October 9, 2008 noise and PFM low-current mode offers improved system control ...
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... Output Voltage Selection for LM3670MF-ADJ The output voltage of the adjustable parts can be pro- grammed through the resistor network connected from GND. The resistor from least 100kΩ to keep the current sunk through this network well below 15µA quiescent current level (PFM mode with no switching) but large enough that it is not susceptible to noise ...
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Connection Diagram and Package Mark Information Pin Descriptions Pin # Name Description 1 V Power supply input. Connect to the input filter capacitor IN 2 GND Ground pin 3 EN Enable input 4 FB Feedback analog input. Connect to the ...
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Evaluation Board Layout www.national.com FIGURE 4. Top Layer FIGURE 5. Bottom Layer 4 20130608 20130609 ...
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BOM For Common Configurations Manufacture LM3670 - 1.8V & 3.3V FIXED C1 (input C) Taiyo Yuden C3 (output C) TDK C2 (aux output C) L1 (inductor) Coilcraft Vishay OUT ...
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