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PWS750, PWS750-1, PWS750-2U

Table of contents:
Info of PWS750
Info of PWS750-1
Info of PWS750-2U

PWS750, PWS750-1, PWS750-2U Selling Leads, Datasheet

MFG:5 Package Cooled:BB

PWS750, PWS750-1, PWS750-2U Datasheet download

Five Points

Part Number: PWS750

MFG: 5

Package Cooled: BB

D/C:

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PWS750 General Description

The PWS750 consists of three building blocks for building a low cost DC/DC converter. With them you can optimize DC/DC converter PC board layout or build a multichannel isolated DC/DC converter. All parts are surface mount, requiring minimal space to build the converter. The modular design minimizes the cost of isolated power.

The PWS750-1U is a high-frequency (800kHz nominal) driver that can drive N-channel MOSFETs up to the size of a 1.3A 2N7010. The recommended MOSFET for individual transformer drivers is the 2N7008. The PWS750-1U is supplied in a 16-pin double-wide SO package.

The PWS750-2U and PWS750-4U are split-bobbin wound isolation transformers using a ferrite core. They are encapsulated in plastic packages, allowing a high isolation voltage rating.

The PWS750-3U is a high-speed monolithic diode bridge in a plastic 8-pin SO package.

One PWS750-1U can be used to drive up to four channels (15V nominal operation). One PWS750-2U and PWS750-3U and two 2N7002 (surface mount) or 2N7008 (TO-92) MOSFETs made by Siliconix are used per isolated channel. When a PWS750-4U is used as the transformer (5V input), then two TN0604s made by Supertex must be used, due to the higher currents of the primary (lower RDS on) and the lower V_GS threshold. With 5V operation only one channel can be directly driven by the PWS750-1U (a simple FET booster circuit can be used for multichannel operation; see Figure 3).

PWS750 Maximum Ratings

Supply Voltage ..................................................................................... 18V
Junction Temperature ...................................................................... 150°C
Storage Temperature ....................................................... 40°C to +85°C
Lead temperature (soldering, SOIC, 3s) ........................................ +260°C
Max Load, Sum of Both Outputs (PWS750-2U, 4U) ........................... 60mA

PWS750 Features

100% TESTED FOR HIGH-VOLTAGE BREAKDOWN
COMPACT-SURFACE MOUNT
MULTICHANNEL OPERATION
5V OR 15V INPUT OPTIONS
FLEXIBLE USE WITH PWS740/PWS745 COMPONENTS

PWS750 Typical Application

INDUSTRIAL PROCESS CONTROL EQUIPMENT
GROUND-LOOP ELIMINATION
PC-BASED DATA ACQUISITION
VENDING MACHINES

PWS750 Connection Diagram

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