MIC2342 MICREL [Micrel Semiconductor], MIC2342 Datasheet - Page 11

• Manufacturer Part Number: MIC2342
• Manufacturer: MICREL [Micrel Semiconductor]

Symbol
I
R
I
R
V
V
V
T
I
I
I
R
R
R
LKG(OFF)
PULLUP
AUX(THRESH)
SC(TRAN)
LIM(AUX)
Micrel, Inc.
June 2008
OV
OFF(12VOUT[A/B]
OFF(3VOUT[A/B]
OFF(VAUX[A/B]
PULLUP
DS(AUX)
DIS(12V)
DIS(3V)
DIS(VAUX)
Parameter
Digital Output Off-State Leakage
Current
Internal Pull-up Resistors to
VSTBY[A]
AUXEN[A/B]
Internal Pull-up Current to
VSTBY[A]
Internal VAUX[A/B] Power
MOSFET Channel Resistance
12VOUT[A/B] Off-state Output
Offset Voltage
3VOUT[A/B] Off-state Output
Offset Voltage
VAUX[A/B] Off-state Output
Offset Voltage
Overtemperature Shutdown and
Reset Thresholds with
Overcurrent on Slot
Overtemperature Shutdown and
Reset Thresholds, All Other
Conditions (All Outputs will Latch
OFF)
Auxiliary Output Current Limit
Threshold (Figure 4)
Maximum Transient Short Circuit
Current
Regulated Current after Transient
Output Discharge Resistance
12VOUT[A/B]
3VOUT[A/B]
3VAUX[A/B]
/FAULT_AUX[A/B], /INT,
/FAULT_MAIN[A/B],
/PWRGD[A/B], SYSPWRGD
/DLY_PWRGD[A/B]
/CRSW[A/B],ON[A/B],
/FORCE_ON[A/B]
(5)
(5)
Condition
VSTBY[A/B] = +3.3V
VSTBY[A/B] = +3.3V
I
ON[A/B] = LOW,
12VOUT[A/B] = OFF, T
ON[A/B] = LOW,
3VOUT[A/B] = OFF, T
AUXEN[A/B] = LOW,
VAUX[A/B] = OFF, T
T
T
T
T
Current which must be drawn from VAUX
to register as a fault
VAUX[A/B] Enabled, then Grounded
From end of I
12V
3V
3V
DS
J
J
J
J
increasing, each slot
decreasing, each slot
increasing, both slots
decreasing, both slots
OUT[A/B]
AUX[A/B]
= 375 mA; T
OUT[A/B]
= 1.65V
= 1.65V
11
= 6.0V
SC(TRAN)
J
= 100 °C
J
to CFILTER time-out
J
= 100 °C
J
= 100 °C
= 100 °C
0.375
Min
0.84
Typ
140
130
160
150
160
150
430
0.7
45
60
0
MIC2342/2342R
M9999-062008-B
0.975
Max
0.4
50
50
50
5
Units
mV
mV
mV
µA
kΩ
µA
°C
°C
°C
°C
Ω
Ω
Ω
Ω
A
A
A