Datasheet

June 2005 3 MIC2981/2982
MIC2981/2982 Micrel, Inc.
Absolute Maximum Ratings
Supply Voltage (V
S
) ...................................................... 50V
Output Voltage (V
CE
) .................................................... 50V
Continuous Output Current (I
C
) ................................ 500mA
Input Voltage (V
IN
)
MIC2981/82 ............................................................... 30V
Ground Current (I
GND
) .................................................... 3A
Junction Temperature (T
J
) ...................................... +150°C
Storage Temperature (T
S
) ....................... –65°C to +150°C
Operating Ratings
Supply Voltage (V
S
) ............................................ 5V to 50V
Ambient Temperature (T
A
) ......................... –40°C to +85°C
Package Thermal Resistance
PDIP θ
JA
.............................................................. 56°C/W
SOP θ
JA
.............................................................. 84°C/W
Electrical Characteristics
(Note 3)
V
S
= 50V, T
A
= +25°C, unless noted.
Symbol Parameter Condition Min Typ Max Units
I
CEX
Output Leakage Current V
IN
= 0.4V, T
A
= +70°C, Note 1 200 µA
V
CE(sus)
Output Sustaining Voltage I
OUT
= 45mA 35 V
V
CE(sat)
Collector-Emitter Saturation Voltage V
IN
= 2.4V, I
OUT
= 100mA 1.7 2.0 V
V
IN
= 2.4V, I
OUT
= 225mA 1.8 2.1 V
V
IN
= 2.4V, I
OUT
= 350mA 1.9 2.2 V
I
IN(on)
Input Current MIC2981 V
IN
= 2.4V 140 200 µA
V
IN
= 3.85 310 450 µA
MIC2982 V
IN
= 2.4V 140 200 µA
V
IN
= 12V 1.25 1.93 mA
I
OUT
Output Source Current V
IN
= 2.4V, V
CE
= 2.2V 350 mA
I
S
Supply Current V
IN
= 2.4, OUT1–8 = open, Note 1 10 mA
t
ON
Turn-On Delay 0.5E
IN
to 0.5E
OUT
, R
L
= 100Ω, V
S
= 35V, 1.0 2.0 µs
t
OFF
Turn-Off Delay 0.5E
IN
to 0.5E
OUT
, R
L
= 100Ω, V
S
= 35V, 5.0 10 µs
Note 2
I
R
Clamp Diode Leakage Current V
R
= 50V, V
IN
= 0.4V, Note 1 50 µA
V
F
Clamp Diode Forward Voltage I
F
= 350mA 1.5 2.0 V
General Note: Devices are ESD protected; however, handling precautions are recommended.
Note 1: Applied to all 8 inputs simultaneously.
Note 2: Load conditions affect turnoff delay.
Note 3: Specification for packaged product only.