MIC2012_05 Datasheet, PDF (4/16 Pages) Micrel Semiconductor – USB Power Controller

MIC2012
Absolute Maximum Ratings (Note 1, Note 4)
Supply Voltage (V_IN, V_MAIN, V_AUX).....................–0.3V to 6V
EN1, EN2, S3# Input Pins .................................–0.3V to 6V
FAULT#, OUT1, OUT2 Output Pins...................–0.3V to 6V
FAULT Output Current................................................ 25mA
ESD Rating, Note 3 ...................................................... 2kV
Micrel
Operating Ratings (Note 2)
Supply Voltage (V_MAIN, V_AUX)...................... +4.5V to +5.5V
Ambient Temperature (T_A) ............................ –0°C to +70°C
Junction Temperature (T_J) ........................ Internally Limited
Package Thermal Resistance
QSOP (θ_JA)^{.......................................................................}163°C/W
SOIC (θ_JA)^{.........................................................................}160°C/W
Electrical Characteristics
V_MAIN = 5V; AUX = 5V; T_A = 25°C; unless noted
Symbol
Parameter
Condition
V_MAIN
I_{MAIN (ON)}
MAIN Supply Voltage
MAIN Supply Current Switches On
Note 5
S3# = 1, no load
I_{MAIN (OFF)}
MAIN Supply Current Switches Off S3# = 1, no load
Note 5, (MIC20x2-1, MIC20x2-2 only)
I_LEAK
MAIN Reverse Leakage Current,
S3# = 0, both switches ON, V_MAIN = 0V
V_AUX
I_{AUX ON}
I_{AUX OFF}
V_UV/AUX
V_HYS
R_DSMAIN
R_DSAUX
I_LIMIT(MAIN)
I_LIMIT(AUX)
V_TH
V_HYS
I_IN
I_OFF
AUX Supply Voltage
AUX Supply Current,
both switches on, Note 5
AUX Supply Current, switches
off. (MIC20x2-1, MIC20x2-2 only)
AUX Undervoltage Lockout
Threshold
AUX Undervoltage Lockout
Hysteresis
MAIN On-Resistance, Each Output
AUX On-Resistance, Each Output
MAIN Current-Limit Threshold
MAIN Short-Circuit Current-Limit
AUXCurrent-Limit Threshold
AUX Short-Circuit Current-Limit
S3#, EN1, EN2. Input
Threshold Voltage
(EN1, EN2, for MIC20x2-x only)
No load
S3# = 0
No load
S3# = 0
V_AUX increasing
V_AUX decreasing
S3# = 1, I_OUT = 500mA
S3# = 0, I_OUT = 100mA
S3# = 1, V_OUT = 4.0V, ramped load
V_OUT = 0V
S3# = 0, V_OUT = 4.0V, ramped load
V_OUT = 0V, C_OUT = 100µF
High-to-Low transition
Low-to-High transition
EN1, EN2 and S3# Input Hysteresis
(EN1, EN2, for MIC20x2-x only)
S3#, EN1, EN2 Input Current
(EN1, EN2, for MIC20x2-x only)
OUT1, OUT2 Leakage Current
(MIC2012-x, MIC2072-x only)
Pull-Up Current During Latched
Output State (MIC2072-1, -2)
V_S3/EN = 5V, 0V
Outputs are off, V_OUT = 0
Outputs latched off
Min Typ Max Units
4.5
5.0
5.5
V
16
22
µA
5
µA
–10
+10
µA
4.5
5.0
5.5
V
0.6
1
mA
5
µA
3.1
4.0
V
2.9
3.8
V
200
mV
100 140 mΩ
500 700 mΩ
0.8
2.0
A
0.65
1.8
A
105 150 195 mA
80
mA
0.8
1.5
V
1.7
2.0
V
200
mV
–1
1
µA
–10
10
µA
1
mA
MIC2012/2072
4
January 2005