Intersil ISL41387EVAL1Z Скачать руководство пользователя страница 8

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Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to
verify that the Application Note or Technical Brief is current before proceeding.

For information regarding Intersil Corporation and its products, see www.intersil.com

AN1248.1

May 30, 2006

FIGURE 3. JUMPER LOCATOR DIAGRAM

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ISL41387EVAL1Z

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Application Note 1248

Содержание ISL41387EVAL1Z

Страница 1: ...the ISL41334 is followed by NC e g B2 NC and a name that applies to only the ISL41387 is preceded by NC and or has the name in parenthesis e g NC DEN or DEN Note that on Rev A of these boards the foll...

Страница 2: ...ed simply by installing jumpers A1 Y1_LB 5 and B1 Z1_LB 6 In this configuration the Tx output lines connect to the corresponding Rx input lines so the data driven on the Tx input s appears at the Rx o...

Страница 3: ...rs to the LOW position while ensuring that the RXEN1 10 jumper is set to VH This setting places the ISL41387 into shutdown SHDN which disables the Tx and Rx outputs and places the IC in its lowest pow...

Страница 4: ...nterconnected by a cable start with the default configuration connect single wire of a twisted pair between test points TP2 and TP1 and connect the other wire in the pair between TP5 and TP6 Ensure th...

Страница 5: ...VH and the already low supply current drops to as low as 5 A SHDN disables the Tx and Rx outputs and disables the charge pumps so V collapses to VCC and V collapses to GND All but 5 A of SHDN ICC curr...

Страница 6: ...x output VOH to VL and reduces the Tx and control input switching points to values compatible with the logic device s output levels If the logic device is also powered by 5V then the VL pin should be...

Страница 7: ...to the VL jack if driving VL from a voltage other than VCC remove this jumper VL VHIGH 17 Connects VL to the VHIGH jack if driving VHIGH from a voltage other than VL remove this jumper PCB Layout Inf...

Страница 8: ...ccordingly the reader is cautioned to verify that the Application Note or Technical Brief is current before proceeding For information regarding Intersil Corporation and its products see www intersil...

Страница 9: ...J4 VLOAD C6 C3 Y2 NC TP3 C5 Z2 NC TP7 VHIGH J SEL2 VHIGH J SEL1 R7 RXBIAS B1 Z1_LB R5 J1 VLOAD C1 R6 R1 B1 TP1 J B1 C4 Y1 TP5 C2 Z1 TP2 R9 C7 RXBIAS J9 J10 A1 Y1_LB A1 TP6 R3 J A1 VCC VL C10 C9 C22 C1...

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