STR-X6759N Просмотр технического описания (PDF) - Allegro MicroSystems

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STR-X6759N

Off-Line Quasi-Resonant Switching Regulators

Allegro MicroSystems 

STR-X6759N Off-Line Quasi-Resonant Switching Regulators

Description (continued)

Applications include the following:

▪ Set Top Box

▪ LCD PC monitor, LCD TV

▪ Printer, Scanner

▪ SMPS power supplies

Selection Guide

Part Number

STR-X6759N

Package

TO-3P

Absolute Maximum Ratings at TA = 25°C

Parameter

Symbol

Conditions

Drain Current1

Maximum Switching Current2

IDpeak Single pulse

IDmax TA = –20°C to 125°C

Single Pulse Avalanche Energy3

EAS Single pulse, VDD = 30 V, L = 50 mH, ILpeak = 4.4 A

Input Voltage for Controller (MIC)

VCC

SS/OLP Terminal Voltage

VSSOLP

FB Terminal Inflow Current

IFB

FB Terminal Voltage

VFB IFB within the limits of IFB

OCP/BD Terminal Voltage

VOCPBD

MOSFET Power Dissipation4

PD1

With infinite heatsink

Without heatsink

Controller (MIC) Power Dissipation

PD2

VCC × ICC

Operating Internal Leadframe Temperature

TF Recommended operation temperature, see cautions

Operating Ambient Temperature

TOP

Storage Temperature

Tstg

Channel Temperature

Tch

1Refer to MOSFET ASO curve

2IDMAX is the drain current determined by the drive voltage of the IC and the threshold voltage, Vth, of the MOSFET

3Refer to Avalanche Energy Derating curve

4Refer to MOSFET Ta-PD1 curve

Rating

Unit

22

A

22

A

500

mJ

35

V

–0.5 to 6.0 V

10

mA

–0.5 to 9.0 V

–1.5 to 5.0 V

46

W

2.8

W

0.8

W

–20 to 125 °C

–20 to 125 °C

–40 to 125 °C

150

°C

All performance characteristics given are typical values for circuit or

system baseline design only and are at the nominal operating voltage and

an ambient temperature, TA, of 25°C, unless otherwise stated.

Allegro MicroSystems, Inc.

2

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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