Diodes AH2984 - Manual (Page 4)

AH2984
Document number: DS31698 Rev. 4 - 2
4 of 10
www.diodes.com
December 2013
© Diodes Incorporated
AH2984
Absolute Maximum Ratings (@T
A
= +25°C, unless otherwise specified.)
Symbol Conditions Rating Unit
V
DD
Supply Voltage 18 V
V
RDD
Reverse V
DD
Polarity Voltage -15 V
I
O(AVE)
Output Current (Note 5)
500
mA
I
O(peak as hold)
800
P
D
Power Dissipation
SIP-4 550 mW
SOT89-5 800 mW
T
ST
Storage Temperature -55 to +150 C
T
J
Maximum Junction Temperature +150 C
θ
JA Thermal Resistance (Note 6)
SIP-4 227 C/W
SOT89-5 168 C/W
θ
JC Thermal Resistance (Note 6)
SIP-4 49 C/W
SOT89-5 36 C/W
T J
T A
Tc
JC

JA

Recommended Operating Conditions (@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Max Unit
V
DD
Supply Voltage Operating 2.5 15 V
T
A
Operating Ambient Temperature (Note 5) Operating -40 +105 C
Electrical Characteristics (@T
A
= +25°C; V
DD
= 12V; unless otherwise specified, Note 4)
Symbol Characteristics Conditions Min Typ. Max Unit
I
DD
Supply Current Operating, V
DD
= 12V 2.0 3.5 5.0 mA
T
on
Locked Protection On Time — — 0.25 — s
T
off
Locked Protection Off Time — — 3.25 — s
R
duty
Locked Protection Duty Ratio T
off
/T
on
— 13 — —
R
DS(ON)
Output On Resistance
I
O
= 300mA — 1 1.67
Ω
I
O
= 500mA — 1.25 1.8
V
Z
Output Zener-Breakdown Voltage (Note 7) 24 33 42 V
Notes: 5. Shall not exceed P
D
and Safety Operation Area.
6. θ
JA
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 V
Z
value is in D.C voltage measurement. The V
Z
may vary with coils in A.C. voltage measurements.