English
Language : 

MIC20XX Datasheet, PDF (11/29 Pages) Micrel Semiconductor – Fixed and Adjustable Current Limiting Power Distribution Switches
◁
Micrel, Inc.
Absolute Maximum Ratings(1)
VIN, VOUT ......................................................–0.3V to 6V
All other pins.............................................–0.3V to 5.5V
Power Dissipation (PD) ....................... Internally Limited
Continuous Output Current
All except MIC2005A / MIC20X9A................. 2.25A
MIC2005A / 20X9A .......................................... 1.0A
Maximum Junction Temperature (TJ).................. 150°C
Storage Temperature (Ts) .................. –65°C to +150°C
Lead Temperature (Soldering 10 sec) ................ 260°C
MIC20xx Family
Operating Ratings(2)
Supply Voltage.............................................. 2.5V to 5.5V
Continuous Output Current
All except MIC2005A / MIC20X9A ........... 0A to 2.1A
MIC2005A/20X9A...................................... 0A to 0.9A
Ambient Temperature Range (TA) ............–40°C to+85°C
Package Thermal Resistance(3)
SOT-23-5/6 (θJA) ..........................................230ºC/W
2mm × 2mm MLF® (θJA) .................................90ºC/W
2mm × 2mm MLF® (θJC) .................................45ºC/W
Electrical Characteristics(4)
VIN = 5V, TA = 25°C unless otherwise specified. Bold indicates –40°C to +85°C limits; CIN = 1µF.
Symbol Parameter
Condition
Min Typ Max Units
VIN
ILEAK
Switch Input Voltage
Output Leakage Current(5)
MIC2005A, MIC2009A, MIC2019A
Switch = OFF, VOUT = 0V
Active Low Enable, VEN = 1.5V
Active High Enable, VEN = 0V
2.5
5.5
V
12
100
µA
IIN
Supply Current(5)
Switch = ON
Active Low Enable, VEN = 0V
Active High Enable, VEN = 1.5V
Switch = OFF
Active Low Enable, VEN = 1.5V
Switch = OFF
Active High Enable, VEN = 0V
80
300
µA
8
15
µA
1
5
µA
RDS(ON)
Power Switch Resistance
VIN = 5V, IOUT = 100mA
170
220
mΩ
275
mΩ
MIC2005A
ILIMIT
Fixed Current Limit
MIC2009A, MIC2019A
VOUT = 0.8 × VIN
0.5
0.7
0.9
A
CLF
Variable Current Limit Factors
MIC2019A
IOUT = 0.9A, VOUT = 0.8 × VIN
IOUT = 0.5A, VOUT = 0.8 × VIN
IOUT = 0.2A, VOUT = 0.8 × VIN
IOUT = 0.1A, VOUT = 0.8 × VIN
172 211
263
152 206
263
V
138 200
263
121 192
263
ILIMIT_2nd Secondary Current Limit
VIN = 2.5V, VOUT = 0V
1
2
3
A
February 2011
11
M9999-020311-D
 ▷