AH2984 datasheet(4/10 Pages) DIODES

4 / 10 page

AH2984

Document number: DS31698 Rev. 4 - 2

4 of 10

www.diodes.com

December 2013

AH2984

Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)

Symbol

Conditions

Rating

Unit

VDD

Supply Voltage

VRDD

Reverse VDD Polarity Voltage

-15

IO(AVE)

Output Current (Note 5)

500

IO(peak as hold)

800

Power Dissipation

SIP-4

550

SOT89-5

800

TST

Storage Temperature

-55 to +150

C

Maximum Junction Temperature

+150

C

θJA

Thermal Resistance (Note 6)

SIP-4

227

C/W

SOT89-5

168

C/W

θJC

Thermal Resistance (Note 6)

SIP-4

C/W

SOT89-5

C/W



Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

Supply Voltage

Operating

2.5

Operating Ambient Temperature (Note 5)

Operating

-40

+105

C

Electrical Characteristics (@TA = +25°C; VDD = 12V; unless otherwise specified, Note 4)

Symbol

Characteristics

Conditions

Min

Typ.

Max

Unit

IDD

Supply Current

Operating, VDD = 12V

2.0

3.5

5.0

Ton

Locked Protection On Time

—

0.25

—

Toff

Locked Protection Off Time

—

3.25

—

Rduty

Locked Protection Duty Ratio

Toff/Ton

—

RDS(ON)

Output On Resistance

IO= 300mA

—

1.67

Ω

IO= 500mA

—

1.25

1.8

Output Zener-Breakdown Voltage

(Note 7)

Notes:

5. Shall not exceed PD and Safety Operation Area.

θJA should be confirmed with heat sink thermal resistance. SOT89 exposed pad soldered to minimum recommended landing pads (see Package Outline

Dimension section) on 2”x2” two-layer 2oz.copper FR4 PCB with thermal vias in the exposed pad connecting to the copper flood on the bottom layer.

7. The VZ value is in D.C voltage measurement. The VZ may vary with coils in A.C. voltage measurements.

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