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DCP010515DBP Datasheet(PDF) 10 Page - Burr-Brown (TI) |
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DCP010515DBP Datasheet(HTML) 10 Page - Burr-Brown (TI) |
10 / 8 page DCP01B SERIES SBVS012B − DECEMBER 2000 − REVISED OCTOBER 2004 www.ti.com 10 Connecting the DCP01B in Series Multiple DCP01B isolated 1W DC/DC converters can be connected in series to provide nonstandard voltage rails. This is possible by using the floating outputs provided by the DCP01B galvanic isolation. Connect the positive VOUT from one DCP01B to the negative VOUT (0V) of another, as shown in Figure 1. If the SYNCIN pins are tied together, the self-synchronization feature of the DCP01B will prevent beat frequencies on the voltage rails. The SYNCIN feature of the DCP01B allows easy connection in series, which reduces separate filtering components. The outputs on dual output DCP01B versions can also be connected in series to provide two times the magnitude of VOUT, as shown in Figure 2. For example, a dual 15V DCP01B could be connected to provide a 30V rail. Connecting the DCP01B in Parallel If the output power from one DCP01B is not sufficient, it is possible to parallel the outputs of multiple DCP01B converters (see Figure 3). Again, the SYNCIN feature allows easy synchronization to prevent power-rail beat frequencies at no additional filtering cost. DCP 01B V OUT 1 V SUPPLY V S 0V DCP 01B V OUT 2 V OUT1 +VOUT2 SYNC IN C IN (1) C OUT C OUT C IN (1) SYNC IN V S 0V 0V 0V COM NOTE: (1) CIN requires a low−ESR ceramic capacitor: 5V to 15V version is 2.2µF; 24V version is minimum 0.47 µF. C OUT =1.0µF. Figure 1. Connecting the DCP01B in Series DCP 01B +V OUT V SUPPLY +V OUT −V OUT −V OUT 0V V S 0V COM C OUT (1) C OUT (1) C IN (1) NOTE: (1) CIN requires a low−ESR ceramic capacitor: 5V to 15V version is 2.2µF; 24V version is minimum 0.47 µF. C OUT =1.0µF. Figure 2. Connecting Dual Outputs in Series DCP 01B 0V 0V V OUT V SUPPLY V S 0V DCP 01B V OUT 2x Power Out SYNC IN SYNC IN V S 0V COM C OUT (1) C OUT (1) C IN (1) C IN (1) NOTE: (1) C IN requires a low−ESR ceramic capacitor: 5V to 15V version is 2.2µF; 24V version is minimum 0.47 µF. C OUT =1.0µF. Figure 3. Connecting Multiple DCP01Bs in Parallel |
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