str-m6511 Allegro MicroSystems, Inc., str-m6511 Datasheet

str-m6511

Manufacturer Part Number

str-m6511

Description

Off-line Switching Regulator ? With Power Mosfet Outpu

Manufacturer

Allegro MicroSystems, Inc.

Datasheet

1.STR-M6511.pdf (6 pages)

Current page: 1 of 6
Download datasheet (73Kb)

Supply Voltage, V

Drain-Source Voltage, V

Continuous Drain Current, I

1 ms Single-Pulse Drain Current,

Single-Pulse Avalanche Energy,

Soft-Start/Fault-Latch Trigger Voltage,

Feedback Input Current, I

Over-Current Protection Voltage,

Insulation Voltage,V

Package Power Diss., P

FET Junction Temperature, T

Internal Frame Temperature, T

Operating Temperature Range,

Storage Temperature Range,

ABSOLUTE MAXIMUM RATINGS

OVER-CURRENT

FAULT-LATCH

PROTECTION

SOFT START

TRIGGER &

stg

SS/FL

OCP

COMMON

SOURCE

.............................................. 400 mJ

............................... -20 C to +125 C

................................................. 40 A

DRAIN

............................. -40 C to +125 C

FDBK

V IN

............................................. 3.5 V

............................................. 10 V

........................... 35 V

WM(RMS)

FDBK

........ See Graph

OSC.

.............. 450 V

........... 2000 V

............. 11 A

........ 20 mA

...... +150 C

FAULT

LATCH

... +125 C

FAULT

UVLO

REF.

Dwg. PK-002

OFF-LINE SWITCHING REGULATOR

increased integration and reliability in off-line flyback converters operat-

ing in the quasi-resonant ringing choke mode. The device incorporates

the primary control and drive circuit with a discrete avalanche-rated

power MOSFET.

are fixed during manufacture. Local control circuit decoupling and layout

are optimized within the device.

hysteresis, over-voltage protection, and thermal shutdown protect the

devices during all normal and overload conditions. Over-voltage protec-

tion, thermal shutdown, or an external fault signal are latched. The dual

requirements of dielectric isolation and low transient thermal impedance

and steady-state thermal resistance are satisfied in an over-molded

single-in-line power package.

counterparts represents a significant advance in off-line SMPS reliability

growth and integration. A similar off-line switching regulator, with an

output rating of 800 V at 10 A, is also available.

FEATURES

Always order by complete part number: STR-M6511 .

– WITH POWER MOSFET OUTPUT

STR-M6511

™

Quasi-Resonant Ringing Choke Converter

Avalanche-Rated Power MOSFET Switch

Pulse-by-Pulse Current Limiting

Latched Over-Voltage and Thermal Protection

Maximum ON Time and OFF Time Set During Manufacture

Internal Under-Voltage Lockout with Hysteresis

Over-Molded SIP with Integral Isolated Heat Spreader

The STR-M6511 is specifically designed to meet the requirement for

Crucial system parameters such as maximum ON time and OFF time

Cycle-by-cycle current limiting, soft start, under-voltage lock-out with

Proven in substantial volumes, this device and its fixed-frequency

Related parts for str-m6511

str-m6511 Summary of contents

Page 1

... STR-M6511 OFF-LINE SWITCHING REGULATOR – WITH POWER MOSFET OUTPUT The STR-M6511 is specifically designed to meet the requirement for increased integration and reliability in off-line flyback converters operat- ing in the quasi-resonant ringing choke mode. The device incorporates the primary control and drive circuit with a discrete avalanche-rated power MOSFET ...

Page 2

... STR-M6511 OFF-LINE SWITCHING REGULATOR FUNCTIONAL BLOCK DIAGRAM UVLO REF. TSD FAULT-LATCH 7 TRIGGER TRIGGER & SOFT START ALLOWABLE PACKAGE POWER DISSIPATION 60 MOUNTING SURFACE TEMPERATURE 54 W RECOMMENDED MAX. 40 FRAME TEMP. = +100 C 20 FREE AIR 2 TEMPERATURE OVER-VOLT. FAULT PROTECT ...

Page 3

... STR-M6511 OFF-LINE SWITCHING REGULATOR ALLOWABLE AVALANCHE ENERGY ELECTRICAL CHARACTERISTICS Common (pin 3) (unless otherwise noted). Characteristic On-State Voltage Under-Voltage Lockout Over-Voltage Threshold FET Leakage Current FET ON Resistance Output Fall Time Maximum ON Time Minimum OFF Time Over-Current Threshold Feedback Threshold Volt. Soft-Start Current Fault-Latch Threshold Volt ...

Page 4

... Recommended mounting hardware torque: 4.34 – 5.79 lbf•ft (6 – 8 kg•cm or 0.588 – 0.784 Nm). Recommended metal-oxide-filled, alkyl-degenerated oil base, silicone grease: Dow Corning 340, or equivalent TYPICAL APPLICATION WARNING: lethal potentials are present. See text. STR-M6511 APPLICATIONS INFORMATION ...

Page 5

... STR-M6511 OFF-LINE SWITCHING REGULATOR 0.033 +0.008 –0.004 Dimensions in Inches (for reference only) 0.780 0.008 T REF M 0.130 ø 0.157 0.008 0.008 0.276 0. 0.100 0.004 0.177 0.028 NOTE: Exact body and lead configuration at vendor’s option within limits shown. 0.216 0.008 ...

Page 6

... STR-M6511 OFF-LINE SWITCHING REGULATOR 0.85 +0.2 –0.1 Dimensions in Millimeters (controlling dimensions) 19.8 0.2 T REF. M 3.3 5.5 ø 4.0 0.2 0.2 0.2 7.0 0 2.54 0.65 0.1 +0.2 –0.1 Dwg. MK-003-7 mm NOTE: Exact body and lead configuration at vendor’s option within limits shown. The products described here are manufactured in Japan by Sanken Electric Co., Ltd. for sale by Allegro MicroSystems, Inc. ...

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