MIC2342 MICREL [Micrel Semiconductor], MIC2342 Datasheet - Page 9

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

Absolute Maximum Ratings
12VIN[A/B], 12VSENSE[A/B], 12VGATE[A/B],
3VIN[A/B], 3VSENSE[A/B], 3VGATE[A/B],
3VOUT[A/B], VSTBY[A/B], VAUX[A/B] .......................7V
Digital Inputs
ON[A/B], AUXEN[A/B], /CRSW[A/B],
/FORCE_ON[A/B] ..................–0.5V (min) to 3.6V (max)
CFILTER[A/B], RFILTER[A&B] ...................................7V
Output Current
/PWRGD[A/B], /DLY_PWRGD[A/B]
/FAULT_MAIN[A/B], SYSPWRGD, /INT,
/FAULT_AUX[A/B]
Power Dissipation ................................Internally Limited
Lead Temperature (Soldering)
IR Reflow, Peak ..................................260°C +0°C/–5°C
Storage Temperature ...........................–65°C to +150°C
ESD Rating
Electrical Characteristics
12V
over the full operating temperature range from 0 °C < T
Symbol
Power Control and Logic Sections
I
I
I
V
V
V
V
V
V
V
V
V
V
I
I
CC12
CC3.3
CCSTBY
GATE(12VSINK)
GATE(12VPULLUP)
Micrel, Inc.
June 2008
UVLO(12V)
UVLO(3V)
UVLO(STBY)
HYSSTBY
HYSUV
UVTH(12V)
UVTH(3V)
UVTH(VAUX)
HYSPG
GATE(12V)
IN[A/B]
12VOUT[A/B] .....................................................14V
Lead-Free Package (-xYTQ)
Human Body Model ............................................ 2kV
Machine Model .................................................200V
= 12V, 3V
(3)
Parameter
Supply Current
Undervoltage Lockout Thresholds
12VIN[A/B]
3VIN[A/B]
VSTBY[A/B]
Undervoltage Lockout Hysteresis
VSTBY[A/B]
Undervoltage Lockout Hysteresis
12VIN[A/B], 3VIN[A/B]
Power-Good Undervoltage
Thresholds
12VOUT[A/B]
3VOUT[A/B]
Power-Good Undervoltage
Threshold
VAUX[A/B]
Power-Good Detect Hysteresis
12VGATE[A/B] Voltage
12VGATE[A/B] Pull-down Current
12VGATE[A/B] Pull-up Current
(Fault Off)
IN[A/B]
10mA
= 3.3V, V
STBY[A/B]
(4)
(1)
= 3.3V, T
Condition
/CRSW[A/B] = LOW
/FORCE_ON[A/B] = HIGH
AUX_EN[A/B], ON[A/B] = [L,H], [L,L]
12V
3V
V
12VOUT[A/B] decreasing
3VOUT[A/B] decreasing
VAUX[A/B] decreasing
I
Start Cycle
Any fault condition
(VDD –VGATE) = 2.5V
AUX
A
STBY[A/B]
= 25°C, unless otherwise noted. Bold values specifications applies
IN[A/B]
IN[A/B]
= 600mA
A
< +70 °C.
increasing
increasing
increasing
9
Operating Ratings
Supply Voltages
Ambient Temperature (T
Junction Temperature (T
Package Thermal Resistance
12VIN[A/B].........................................11.0V to 13.0V
3VIN[A/B]...............................................3.0V to 3.6V
VSTBY[A/B]...........................................3.0V to 3.6V
TQFP (θ
JA
)................................................. 76.8°C/W
A
J
(2)
) .................................... 125°C
)........................ 0°C to + 70°C
10.2
Min
2.2
2.8
2.7
2.7
15
20
8
0
10.5
Typ
180
1.8
0.6
2.8
2.5
2.9
2.8
2.8
50
30
25
9
MIC2342/2342R
M9999-062008-A
Max
2.75
10.8
2.5
3.0
2.9
2.9
1.5
10
35
3
5
Units
mA
mA
mA
mV
mV
mV
mA
µA
V
V
V
V
V
V
V