DC-DC Power Converters
This converter produces an output voltage V that is greater in magnitude than the input voltage V g. Its conversion ratio is M(D) = 1/(1 – D). In the buck-boost converter, the switch alternately connects the inductor across the power input and output voltages. This converter inverts the polarity of the voltage, and can either increase or decrease
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www.ti.comVRDIV 8 O Connect high side of resistor divider networks to this biasing voltage. VSS 1 I Power ground for the boost charger. VSS 15 — Power ground for the buck converter and analog/signal ground for the resistor dividers and VREF_SAMP capacitor. VSTOR 19 O Connection for the output of the boost charger.