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SPV1050 Datasheet(PDF) 26 Page - STMicroelectronics

Part # SPV1050
Description  Ultralow power energy harvester and battery charger
PDF  36 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPV1050 Datasheet(HTML) 26 Page - STMicroelectronics

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Functional description
SPV1050
26/36
DocID025569 Rev 4
6.5
Power manager
The SPV1050 device works as a power manager also by providing one unregulated output
voltage on the STORE pin and two regulated voltages on the LDO1 (1.8 V) and LDO2
(3.3 V) pins.
Each LDO can be selectively enabled or disabled by driving the related enable/disable pins
LDO1_EN and LDO2_EN.
The performances of the LDOs can be optimized by selecting a proper capacitor between
the LDO output pin and ground. A 100 nF for each LDO pin is suitable for the most typical
use cases. Figure 22 and Figure 23 show the behavior of the LDOs when a 100 mA load is
connected.
Figure 22. LDO1 turn on with 100 mA load



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