Broadcom ACPL-336J Referenzhandbuch - Seite 10

Blättern Sie online oder laden Sie pdf Referenzhandbuch für Hauptplatine Broadcom ACPL-336J herunter. Broadcom ACPL-336J 16 Seiten. Fuji electric small pim module (m728/m732) evaluation board

Seite drucken

ACPL-336J Reference Manual

Fuji Electric Small PIM Module (M728/M732) Evaluation Board

2.3 DC/DC Power Supply Design

Figure 8: Schematic of the DC/DC Power Supply

M57140-07F is an isolated DC-to-DC converter with an input of DC 20V.It supplies four 21.5V outputs. Isolation is provided

from primary to secondary (V

2.5 kV

/min) and also between the secondary (V

1.5 kV

/min). The 21.5V outputs

ISO

RMS

ISO

RMS

are split into +15V and –6V supplies by 15V diodes D801 to D804. The +15V/–6V supplies are connected to the seven

ACPL-336J to provide bipolar gate drive voltages.

IC9 is a TA7805F voltage regulator to regulate the 20V input to 5V supply for the primary side of the ACPL-336J.

Broadcom

ACPL-336J-RM100