Datasheet

Micrel, Inc. MIC2026/2076
June 2010 3
M9999-060410-B
Absolute Maximum RatingsP
(1)
Supply Voltage (VB
IN
B)........................................ –0.3V to +6V
Fault Flag Voltage (V
B
FLG
B)................................................+6V
Fault Flag Current (IB
FLG
B) ..............................................25mA
Output Voltage (VB
OUT
B) ....................................................+6V
Output Current (I
B
OUT
B) .................................Internally Limited
Enable Input (I
B
EN
B) ..................................... –0.3V to VIN + 3V
Storage Temperature (TB
S
B)........................–65°C to +150 °C
ESD Rating
(3)
HBM......................................................................... 1kV
MM.........................................................................200V
Operating RatingsP
(2)
Supply Voltage (VB
IN
B)..................................... +2.7V to +5.5V
Ambient Temperature (T
B
A
B) .......................... –40°C to +85°C
Junction Temperature Range (TB
J
B)............. Internally Limited
Thermal Resistance
SOIC (θ
B
JA
B) ........................................................160°C/W
PDIP (θ
B
JA
B) ........................................................105°C/W
Electrical Characteristics
(4)
P
VB
IN
B = +5V; TB
A
B = 25°C, bold values indicate –40°C TB
A
B +85°C; unless noted
Symbol Parameter Condition Min Typ Max Units
MIC20x6-1, VB
ENA
B= VB
ENB
B 0.8V
(switch off), OUT = open
0.75 5 µA
MIC20x6-2, VB
ENA
B= VB
ENB
B 2.4V
(switch off), OUT = open
9.5
20
µA
MIC20x6-1, VB
ENA
B= VB
ENB
B 2.4V
(switch on), OUT = open
100 160 µA
IB
DD
B Supply Current
MIC20x6-2, VB
ENA
B= VB
ENB
B 0.8V
(switch on), OUT = open
100 160 µA
low-to-high transition 1.7
2.4
V Enable Input Threshold
high-to-low transition
0.8
1.45 V
VB
EN
B
Enable Input Hysteresis 250 mV
Enable Input Current VB
EN
B = 0V to 5.5V
-1
0.01
1
µA
IB
EN
B
Enable Input Capacitance 1 pF
VB
IN
B = 5V, IB
OUT
B = 500mA 90
140
m RB
DS(ON)
B Switch Resistance
V
B
IN
B = 3.3V, IB
OUT
B = 500mA 100
170
m
Output Leakage Current MIC20x6-1, VENx 0.8V;
MIC20x6-1, VENx 2.4V, (output off)
10
µA
OFF Current in Latched
Thermal Shutdown
MIC2076
(during thermal shutdown state)
50 µA
tB
ON
B Output Turn-On Delay RB
L
B = 10, CB
L
B = 1µF, see “Timing Diagrams” 1.3
5
ms
RB
L
B = 10, CB
L
B = 1µF, see “Timing Diagrams”
0.5
1.15
4.9
ms tB
R
B Output Turn-On Rise Time
RB
L
B = 10, CB
L
B = 1µF, see “Timing Diagrams” 1.75
ms
tB
OFF
B Output Turn-Off Delay RB
L
B = 10, CB
L
B = 1µF, see “Timing Diagrams” 35
100
µs
tB
F
B Output Turn-Off Fall Time RB
L
B = 10, CB
L
B = 1µF, see “Timing Diagrams” 32
100
µs
IB
LIMIT
B Short-Circuit Output Current VB
OUT
B = 0V, enabled into short-circuit 0.5 0.9 1.25 A
Current-Limit Threshold ramped load applied to output 0.65 1.0 1.25 A
Short-Circuit Response Time VB
OUT
B = 0V to IB
OUT
B = IB
LIMIT
B
(short applied to output)
20 µs