參數(shù)資料
型號(hào): MIC2017
廠商: Micrel Semiconductor,Inc.
元件分類: 熱切換/電源分布
英文描述: Adjustable Current Limit Power Distribution Switch
中文描述: 可調(diào)的限流配電開關(guān)
文件頁(yè)數(shù): 12/17頁(yè)
文件大?。?/td> 748K
代理商: MIC2017
Micrel
MIC2007/MIC2017
October 2005
4
M9999-102805
Absolute Maximum Ratings(1)
All pins ...........................................................–0.3 to 6V
Power Dissipation...............................Internally Limited
Continuous Output Current.................................. 2.25A
Maximum Junction Temperature........................ 150
°C
Storage Temperature ...........................–65
°C to 150°C
Operating Ratings(2)
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 (
θJA)
SOT-23-6 ....................................................230°C/W
MLF 2x2 mm...................................................90°C/W
MLF 2x2 mm
θJC
(5) .........................................45°C/W
Electrical Characteristics
VIN = 5V, TAMBIENT = 25°C unless specified otherwise. Bold indicates –40°C to +85°C limits.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VIN
Switch Input Voltage
2.5
5.5
V
IIN
Internal Supply Current
Switch = OFF,
ENABLE = 0V
1
5
A
IIN
Internal Supply Current
Switch = ON, IOUT = 0
ENABLE = 1.5V
80
330
A
ILEAK
Output Leakage Current
VIN = 5V, VOUT = 0 V,
ENABLE = 0
1.2
10
A
70
100
m
RDS(ON)
Power Switch Resistance
VIN = 5V, IOUT = 100 mA
125
m
RDSCHG
Load Discharge Resistance
VIN = 5V, ISINK = 5 mA
70
126
200
IOUT = 2.0A, VOUT = 0.8VIN
210
250
286
V
IOUT = 1.0A, VOUT = 0.8VIN
190
243
293
V
IOUT = 0.5A, VOUT = 0.8VIN
168
235
298
V
CLF
Current Limit: Factor
RSET () = CLF (V)
IOUT (A)
IOUT = 0.2A, VOUT = 0.8VIN
144
225
299
V
ILIMIT_2nd
Secondary current limit
(Kickstart)
MIC2017, VIN = 2.5V
2.2
4
6
A
VIN rising
2.0
2.25
2.5
V
UVLOTHRESHOLD
Under Voltage Lock Out
threshold
VIN falling
1.9
2.15
2.4
V
VIL(max.)
0.5
VEN
ENABLE Input Voltage
VIH(min.)
1.5
V
IEN
ENABLE Input Current
VEN = 0V to 5.0V
1
5
A
TJ increasing
145
OTTHRESHOLD
Over-temperature Threshold
TJ decreasing
135
°C
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