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AN2511 датащи(PDF) 29 Page - STMicroelectronics |
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AN2511 датащи(HTML) 29 Page - STMicroelectronics |
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29 / 43 page ![]() AN2511 PMBus demonstration board Doc ID 13286 Rev 2 29/43 runs using the resonator clock (16 MHz). If the jumper is connected between pins 2 and 3 then the application is stopped and ST7 MCU can be re-programmed. d) JP4: JP4 is used to select the power supply as described below. From the JP4 side, if the jumper is connected between pins 2 and 3 then the application runs using the direct supply given from `POWER' connector. If the jumper is connected between pins 1 and 2 then the application runs using the DC adapter supply given from J1. 2. Power settings: The demonstration board can be powered by one of the following options: a) DC adapter: Connect a DC adapter to J1. The DC adapter should supply a minimum of 7 V and maximum of 18 V, 1 A. This supply is regulated to 5 V supply using an L7805 regulator. b) Regulated supply: The user can use a direct 3 V to 5 V supply. The supply and Gnd points should be connected to the `POWER' connector pins 1 and 2. Here, `POWER' connector pin 1 is referred from the JP4 jumper side (from the right side). |
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