Datasheet

June 2010 3 MIC2025/2075
MIC2025/2075 Micrel, Inc.
Electrical Characteristics
V
IN
= +5V; T
A
= 25°C, bold values indicate –40°C ≤ T
A
≤ +85°C; unless noted
Symbol Parameter Condition Min Typ Max Units
I
DD
Supply Current MIC20x5-1, V
EN
≤ 0.8V, (switch off), 0.75 5 µA
OUT = open
MIC20x5-2, V
EN
≥ 2.4V, (switch off), 0.75 5 µA
OUT = open
MIC20x5-1, V
EN
≥ 2.4V, (switch on), 160 µA
OUT = open
MIC20x5-2, V
EN
≤ 0.8V, (switch on), 160 µA
OUT = open
V
EN
Enable Input Voltage low-to-high transition 2.1 2.4 V
high-to-low transition 0.8 1.9 V
Enable Input Hysteresis 200 mV
I
EN
Enable Input Current V
EN
= 0V to 5.5V –1 0.01 1 µA
Control Input Capacitance 1 pF
R
DS(on)
Switch Resistance V
IN
= 5V, I
OUT
= 500mA 90 140 mΩ
V
IN
= 3.3V, I
OUT
= 500mA 100 160 mΩ
Output Leakage Current MIC2025/2075 (output off) 10 µA
OFF Current in Latched MIC2075 50 µA
Thermal Shutdown (during thermal shutdown state)
t
ON
Output Turn-On Delay R
L
= 10Ω, C
L
= 1µF, see “Timing Diagrams” 1 2.5 6 ms
t
R
Output Turn-On Rise Time R
L
= 10Ω, C
L
= 1µF, see “Timing Diagrams” 0.5 2.3 5.9 ms
t
OFF
Output Turnoff Delay R
L
= 10Ω, C
L
= 1µF, see “Timing Diagrams” 50 100 µs
t
F
Output Turnoff Fall Time R
L
= 10Ω, C
L
= 1µF, see “Timing Diagrams” 50 100 µs
I
LIMIT
Short-Circuit Output Current V
OUT
= 0V, enabled into short-circuit. 0.5 0.7 1.25 A
Current-Limit Threshold ramped load applied to output, Note 4 0.60 0.85 1.25 A
Short-Circuit Response Time V
OUT
= 0V to I
OUT
= I
LIMIT
24 µs
(Short applied to output)
t
D
Overcurrent Flag Response V
IN
= 5V, apply V
OUT
= 0V until FLG low 1.5 3 7 ms
Delay
V
IN
= 3.3V, apply V
OUT
= 0V until FLG low 1.5 3 8 ms
Undervoltage Lockout V
IN
rising 2.2 2.5 2.7 V
Threshold
V
IN
falling 2.0 2.3 2.5 V
Absolute Maximum Ratings (Note 1)
Supply Voltage (V
IN
) ..........................................–0.3V to 6V
Fault Flag Voltage (V
FLG
) .............................................. +6V
Fault Flag Current (I
FLG
)............................................. 25mA
Output Voltage (V
OUT
) ...................................................+6V
Output Current (I
OUT
) ............................... Internally Limited
Enable Input (I
EN
) ..................................... –0.3V to V
IN
+3V
Storage Temperature (T
S
) ........................ –65°C to +150°C
ESD Rating, Note 3
Operating Ratings (Note 2)
Supply Voltage (V
IN
) ................................... +2.7V to +5.5V
Ambient Temperature (T
A
) .......................... –40°C to +85°C
Junction Temperature (T
J
) ........................ Internally Limited
Thermal Resistance
SOP (θ
JA
) ..........................................................160°C/W
MSOP(θ
JA
) ........................................................ 206°C/W