level shifting Increasing Voltage


Posted on Feb 5, 2014

Build a logic level shifter (that`s what it`s called) with a few discrete components (transistors and resistors) or you can go for a one-component solution, i. e. an IC. Most ICs won`t accept input voltages as low as 1. 4 V, but I found Fairchild`s FXLP34 which does. (You want the FXLP34P5X, the other versions have leadless packages and are


level shifting Increasing Voltage
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therefore more difficult to solder) A is where you supply the low-level input signal, Y is your "high"-level output signal. Vcc1 is your 1. 4 V connection, connect the required output voltage to Vcc (up to 3. 6 V).




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