Micrel, Inc.
MIC2310
July 2008
8
M9999-070108-A
Symbol
Parameter
Condition
Min
Typ
Max
Units
(V
LOADSENSE
V
GNDSENSE
) = +12V
54.7 57.2 59.7
mV
(V
LOADSENSE
V
GNDSENSE
) = +10.8V
60.7 63.5 66.3
mV
V
CBP
Primary OC Circuit Breaker
Threshold Voltage
V
VCCSENSE
V
SENSE
(V
LOADSENSE
V
GNDSENSE
) = +13.2V
49.6 51.9 54.2
mV
S[1:0] = L, L
64 75.5
87
mV
S[1:0] = L, H
75 87.5
99
mV
S[1:0] = H, L
100 116.6 130
mV
V
CBS
Secondary OC SENSE
Voltage
V
VCCSENSE
- V
SENSE
Secondary OC
Detector Circuit
Breaker Trips,
V
LOADSENSE
V
GNDSENSE
=
10.8V to 13.2V
S[1:0] = H,H
85
102
116
mV
I
VCCSENSE
VCCSENSE
Pin Input
Current
V
VCCSENSE
= V
CC
1
礎
I
SENSE
SENSE Pin Input Current
V
SENSE
= V
CC
3
礎
V
RETRYH
CRETRY Pin High
Threshold Voltage
1.21 1.25 1.28
V
V
RETRYL
CRETRY Pin Low Threshold
Voltage
0.25 0.3
0.35
V
I
RETRYUP
CRETRY Pin Charging
Current
TIMER ON,
V
RETRY
= 0V
-4.25 -3
-1.65
礎
I
RETRYDN
CRETRY Pin Pull-down
Current
TIMER OFF,
V
RETRY
= 1.5V
3
mA
V
PRIL
CPRIMARY Pin Low
Threshold Voltage
During OC response;
ENABLE = HIGH;
V
CC(SENSE)
V
SENSE
> V
CBP
Measured relative to V
REG
-1.3 -1.25 -1.2
V
ENABLE = HIGH;
V
CC(SENSE)
V
SENSE
< V
CBP
V
PRIL
CPRIMARY Pin Low
Threshold Voltage
During shorted
C
PRIMARY
detection;
Measured
relative to V
REG
ENABLE = LOW
-1.3
-1.25 -1.2
V
During Primary OC Fault
V
CPRIMARY
= V
REG
;
ENABLE = HIGH
V
CC(SENSE)
V
SENSE
> V
CBP
2.4
3
3.6
礎
During nominal and reset operation
V
PRIMARY
= V
REG
1.25V;
ENABLE = HIGH
V
CC(SENSE)
V
SENSE
< V
CBP
-4.5
-3
-1.5
mA
I
PRI
CPRIMARY Pin Charging
Current
During disable;
V
CPRIMARY
= V
REG
1.25V
ENABLE = LOW
-4.5
-3
-1.5
mA
V
GATE
GATE Output Voltage
(V
GATE
-V
CC
): V
CC
> 10.5V
Internally clamped
8
15
V
V
CP
V
CSLEW
V
SENSE
Differential Charge pump to OFF
50
mV
I
SLEW
Inrush Current slew
Charging current
V
CSLEW
= V
CC
50mV
5
10
15
礎