STR-A60XXM datasheet(3/14 Pages) ALLEGRO

3 / 14 page

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

Current Mode Control PWM Regulator IC

For Switching Power Supplies

STR-A60xxM

Absolute Maximum Ratings1 Valid at TA = 25°C, unless otherwise specified

Characteristic

Symbol

Notes

Terminals

Rating

Unit

Drain Current2

IDpeak

Single pulse

STR-A6051M

8 – 1

2.5

STR-A6052M

8 – 1

3.0

STR-A6053M

8 – 1

4.0

STR-A6079M

8 – 1

1.2

Single Pulse Avalanche Energy3

EAS

Single pulse, VDD = 99 V,

L = 20 mH

STR-A6051M

8 – 1

STR-A6052M

8 – 1

STR-A6053M

8 – 1

STR-A6079M

8 – 1

ILpeak

Single pulse, VDD = 99 V,

L = 20 mH

STR-A6051M

8 – 1

2.0

STR-A6052M

8 – 1

2.3

STR-A6053M

8 – 1

2.7

STR-A6079M

8 – 1

1.2

S/OCP Terminal Voltage

VOCP

1 – 3

–2 to 6

Controller IC (MIC) Supply Input Voltage

VCC

5 – 3

FB/OLP Terminal Voltage

VFB

4 – 3

–0.3 to 14

FB/OLP Terminal Sink Current

IFB

4 – 3

1.0

BR Terminal Voltage

VBR

2 – 3

–0.3 to 7

BR Terminal Sink Current

IBR

2 – 3

1.0

MOSFET Power Dissipation4

PD1

Mounted on a 15 mm × 15 mm PCB

8 – 1

1.35

Controller IC (MIC) Power Dissipation

PD2

5 – 3

1.2

Operating Ambient Temperature

TOP

Maximum recommended internal leadframe

temperature, TF(max) = 115°C

–

–20 to 125

°C

Storage Temperature

Tstg

–

–40 to 125

°C

Channel Temperature

Tch

–

150

°C

1Current characteristics are defined based on IC as sink ( +), or source ( –).

2Refer to MOSFET Safe Operating Area Curve.

3Refer to MOSFET Avalanche Energy Derating Coefficient Curve.

4Refer to MOSFET Temperature versus Power Dissipation Curve.

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