MIC2580A
Micrel, Inc.
Absolute Maximum Ratings
(Note 1)
Supply Voltages
+12V Input (V
12VIN
) ................................................. +14V
+5V Input (V
5VIN
) ....................................................... +7V
+3.3V Input (V
3VIN
) .................................................... +7V
–12V Input (V
M12VIN
) ............................................... –14V
/PWRGD, /FAULT, /POR, /EPWRGD, and /PCIRST
Output Current ........................................................... 10mA
Lead Temperature (Soldering)
Standard Package (-x.xBTS)
IR Reflow ......................................... 240°C + 0ºC/-5ºC
Lead-free Package (-x.xYTS)
IR Reflow ......................................... 260ºC + 0ºC/-5ºC
ESD Rating,
Note 3
Human body model ................................................... 2kV
Operating Ratings
(Note 2)
Supply Voltages
+12V Input (V
12VIN
) ............................. +11.4V to +12.6V
–12V Input (V
M12VIN
) ........................... –11.4V to –12.6V
+5V Input (V
5VIN
) ................................... +4.75V to +5.25
+3.3V Input (V
3VIN
) .............................. +3.125V to +3.5V
Temperature Range (T
A
) ........................... –40°C to +85°C
Junction Temperature (T
J
) ........................................ 150°C
Package Thermal Resistance
(θ
JA
)
24-Lead TSSOP .................................................. 83°C/W
Electrical Characteristics
V
12VIN
= 12V, V
5VIN
= 5V, V
3VIN
= 3.3V, V
M12VIN
= –12V; T
A
= 25°C,
bold
values indicate –40°C
≤
T
A
≤
+85°C; unless noted
Symbol
I
12IN
I
5IN
I
3IN
I
12MIN
V
UVLO
Undervoltage Lockout
V
12VIN
increasing
V
12VIN
UVLO hysteresis
V
M12VIN
decreasing
V
M12VIN
UVLO hysteresis
V
5VIN
increasing
V
5VIN
UVLO hysteresis
V
3VIN
increasing
V
3VIN
UVLO hysteresis
V
5VGATE
V
3VGATE
I
5VGATE
I
3VGATE
V
PGTH
5VGATE Voltage
3VGATE Voltage
5VGATE Output Current
during start-up, V
5VGATE
= 5V
during turnoff; /FAULT = 0
3VGATE Output Current
during start-up, V
5VGATE
= 5V
during turnoff; /FAULT = 0
Power Good Threshold Voltage
V
12VOUT
increasing
V
12VOUT
Power-Good hysteresis
V
M12VOUT
decreasing
V
M12VOUT
Power-Good hysteresis
V
5VOUT
increasing
V
5VOUT
Power-Good hysteresis
V
3VOUT
increasing
V
3VOUT
Power-Good hysteresis
V
IL
V
IH
I
IL
Input Leakage Currnet (/ON)
Input Voltage Level (/ON)
logic low
logic high
2.0
–1
1
2.90
60
0.8
4.45
100
3.10
–11.2
50
4.7
11
200
–10
10.5
10.5
2.4
60
11
11
–40
6
–40
6
11.4
2.1
20
2.6
-10.5
100
3.1
8.9
300
-8.3
Parameter
Supply Current
Condition
/ON > V
IH
Min
Typ
2.2
4
0.23
3
Max
3
6
0.4
5
9.8
Units
mA
mA
mA
mA
V
mV
V
mV
V
mV
V
mV
V
V
µA
mA
µA
mA
V
mV
V
mV
V
mV
V
mV
V
V
µA
MIC2580A
4
February 2005
MICREL [ MICREL SEMICONDUCTOR ]
