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LB1939T датащи(PDF) 5 Page - Sanyo Semicon Device |
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LB1939T датащи(HTML) 5 Page - Sanyo Semicon Device |
5 / 7 page Application Circuit Example 1 No. 6194-5/7 LB1939T ENA1 ENA2 IN1 IN2 S-GND SVDD Vref VC1 VC2 RFG1 RFG2 OUT1 OUT2 VDD VS2 VS1 OUT3 LB1939T LB1939T OUT4 OUT1 OUT2 OUT3 OUT4 Constant voltage control mode: OUT outputs a 1.75 V, which is Vref (0.9 V) × 1.95. * : FC1 and FC2 are left open. ENA1 ENA2 IN1 IN2 S-GND SVDD Vref VC1 VC2 RFG1 RFG2 VDD CPU CPU VS2 VS1 Constant current control mode: The RFG voltage is controlled so that Vref/4.5 = 0.2 V. Therefore, when RfB is 1 Ω, the circuit operates in constant current drive with Icoil = 0.2 V/1 Ω = 200 mA. *: There are no magnitude constraints on the inputs (ENA, IN) and the supply voltages (V DD, VS). For example, the IC can be operated at V IN = 5 V, VDD = 3 V, and VS = 2 V. FC1 FC2 Application Circuit Example 2 |
Аналогичный номер детали - LB1939T_09 |
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Аналогичное описание - LB1939T_09 |
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