MIC2004 Micrel, MIC2004 Datasheet - Page 4

• Manufacturer Part Number: MIC2004
• Description: Fixed Current Limit Power Distribution Switch
• Manufacturer: Micrel

August 2005
Micrel
Absolute Maximum Ratings
V
All other pins .................................................. –0.3 to 5.5V
Power Dissipation.................................. Internally Limited
Continuous Output Current..................................... 2.25A
Maximum Junction Temperature ........................... 150°C
Storage Temperature .............................. –65°C to 150°C
Electrical Characteristics
V
IN
IN
Symbol
V
I
I
I
R
R
I
I
I
I
UVLO
V
I
OT
, V
IN
IN
LEAK
LIMIT
LIMIT
LIMIT
LIMIT_2nd
EN
IN
DS(ON)
DSCHG
EN
= 5V, T
THRESHOLD
OUT
THRESHOLD
............................................................ –0.3 to 6V
AMBIENT
= 25°C unless specified otherwise. Bold indicates –40°C to +85°C limits.
Parameter
Switch Input Voltage
Internal Supply Current
Internal Supply Current
Output Leakage Current
Power Switch Resistance
Load Discharge Resistance
Current Limit: –0.5
Current Limit: –0.8
Current Limit: –1.2
Secondary current limit
(Kickstart)
Under Voltage Lock Out
threshold
ENABLE Input Voltage
ENABLE Input Current
Over-temperature Threshold
(1)
Conditions
Switch = OFF,
ENABLE = 0V
Switch = ON, I
ENABLE = 1.5V
V
ENABLE = 0
V
V
V
V
V
MIC2014, V
V
V
V
V
V
T
T
J
J
IN
IN
IN
OUT
OUT
OUT
IN
IN
IL
IH
EN
(max.)
increasing
decreasing
(min.)
= 5V, V
= 5V, I
= 5V, I
rising
falling
= 0V to 5.0V
4
= 0.8V
= 0.8V
= 0.8V
Operating Ratings
Supply Voltage............................................. 2.5V to 5.5V
Continuous Output Current Range .................... 0 to 2.1A
Ambient Temperature Range .................... –40°C to 85°C
Package Thermal Resistance (θ
OUT
SINK
OUT
SOT-23-5 .............................................
MLF 2x2 mm............................................
MLF 2x2 mm θ
IN
IN
IN
IN
= 100 mA
= 2.5V
= 5 mA
OUT
= 0 V,
= 0
JC
(5)
..................................
(2)
Min
0.5
0.8
1.2
2.2
2.0
1.9
2.5
70
1.5
JA
)
126
0.7
1.1
1.6
2.25
2.15
Typ
145
135
80
12
70
1
4
1
MIC2004/MIC2014
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M9999-080305
Max
330
100
100
125
200
5.5
0.9
1.5
2.1
2.5
2.4
0.5
5
6
5
230°C/W
90°C/W
45°C/W
Units
mΩ
mΩ
µ A
µ A
µ A
µ A
° C
V
Ω
A
A
A
A
V
V
V