Micrel, Inc.
MIC2593
Absolute Maximum Ratings
(1)
Supply Voltage
(12V
IN
) ..........................................................................+14V
(12MV
IN
) .......................................................................–14V
(5V
IN
) ..............................................................................+7V
(3V
IN
), (V
STBY
) .................................................................+7V
Any Logic Pin ....................................................–0.5 to 3.6V
Output Current (FAILT[A/B], /INT, SDA). ....................10mA
Lead Temperature
IR Reflow, Peak Temperature........................ 240 0°C/–5°C
Storage Temperature (T
s
) .........................–65°C to +150°C
ESD Rating
(3)
Human Body Model........................................................ 2kV
Machine Model .............................................................200V
Operating Ratings
(2)
Supply Voltage
(12V
IN
) .................................................... +11.65V to +12.6V
(12MV
IN
) ................................................... –11.0V to –13.2V
(5V
IN
) .......................................................... +4.85V to 5.25V
(3V
IN
) ............................................................ +3.1V to +3.6V
(V
STBY
) .......................................................... +3.15V to 3.6V
Ambient Temperature (T
A
) .............................. 0°C to +70°C
Junction Temperature (T
J
) ......................................... 125°C
Thermal Resistance
TQFP (θ
JA
) ......................................................56.5°C/W
Electrical Characteristics
(4)
12V
IN[A/B]
= 12V; 12MV
IN[A/B]
= –12V; 5V
IN[A/B]
= 5V; 3V
IN[A/B]
= 3.3V; V
STBY[A/B]
= 3.3V; T
A
= 25°C; unless otherwise noted.
Bold
indicates specification applies over the full operating rating temperature range from 0°C to 70°C.
Symbol
I
CC12V
I
CC5V
I
CC3.3V
I
CC12MV
I
CCVSBY
Under Voltage Lockout Thresholds
V
UVLO(12V)
V
UVLO(3V)
V
UVLO(5V)
V
UVLO(12MV)
V
UVLO(STBY)
V
HYSUV
V
HYSSTBY
12V
IN
[A/B]
3V
IN
[A/B]
5V
IN
[A/B]
12MV
IN
[A/B]
V
STBY
[A/B]
Under Voltage Lockout Hysteresis -
12V
IN
, 12MV
IN
, 5V
IN
, 3V
IN
Under-voltage Lockout Hysteresis -
V
STBY
Power Good Under-Voltage Thresholds
V
UVTH(12V)
V
UVTH(12MV)
V
UVTH(3V)
V
UVTH(5V)
V
UVTH(VAUX)
V
HYSPG
V
GATE
I
GATE(SOURCE)
I
GATE(SINK
)
12V
OUT
[A/B]
12MV
OUT
[A/B]
3V
OUT
[A/B]
5V
OUT
[A/B]
V
AUX
[A/B]
Power-Good Detect Hysteresis
5V
GATE
/3V
GATE
Voltage
5V
GATE
/3V
GATE
Charge Current
5V
GATE
/3V
GATE
Sink Current (Fault Off)
start cycle
any fault condition, V
GATE
= 5V
12V
IN
–15
15
25
70
12V
OUT
[A/B] decreasing
12MV
OUT
[A/B] decreasing
3V
OUT
[A/B] decreasing
5V
OUT
[A/B] decreasing
V
AUX
[A/B] decreasing
10.2
–10.8
2.7
4.4
2.7
10.5
–10.6
2.8
4.5
2.8
30
12V
IN
35
10.8
–10.2
2.9
4.7
2.9
V
V
V
V
V
mV
V
µA
mA
12V
IN
increasing
3V
IN
increasing
5V
IN
increasing
12MV
IN
increasing
V
STBY
increasing
8
2.2
3.7
–10
2.8
9
2.5
4.0
–9
2.9
180
50
10
2.75
4.3
–8
3.0
V
V
V
V
V
mV
mV
Parameter
Supply Current
Condition
Min
Typ
0.6
1.2
0.5
–1.0
2.5
Max
2.0
2.0
0.7
–2.0
5.0
Units
mA
mA
mA
mA
mA
September 2008
6
M9999-092208
MICREL [ MICREL SEMICONDUCTOR ]
