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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST619LB Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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ST619LB Scheda tecnica(HTML) 1 Page - STMicroelectronics |
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1 / 17 page  November 2007 Rev. 4 1/16 16 ST619LB DC-DC converter regulated 5 V charge pump Features ■ Regulated 5 V ±4 % charge pump ■ Output current guaranteed over temperature: 20 mA (VI ≥ 2 V), 30 mA (VI ≥ 3 V) ■ No inductors; very low EMI noise ■ Uses small, inexpensive capacitors ■ Logic controlled 1 µA max shut-down supply current ■ Shut down disconnects load from input ■ Available in SO-8 and DIP-8 packages Description The ST619LB is a step-up charge pump DC-DC converter which delivers a regulated 5 V ±4 % output at 30 mA and over temperature. The input voltage range is 2 V to 3.6 V (two battery cells). It requires only four external capacitor: two 0.22 µF flying capacitors, and 10 µF capacitors at the input and output. Low operating supply current (typ. 200 µA) make the device ideal for small, portable and battery powered applications. When shut down the load is disconnected from the input and the supply current is typically 0.02 µA. The ST619LB is available in SO-8 package. SO-8 Table 1. Device summary Order codes SO-8 (tape & reel) ST619LB ST619LBDR www.st.com Obsolete Product(s) - Obsolete Product(s) |
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