MIC2590B 데이터 시트보기 (PDF) - Micrel
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MIC2590B Datasheet PDF : 23 Pages
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Micrel, Inc.
MIC2590B
Absolute Maximum Ratings(1)
Supply Voltage
(12VIN) ..........................................................................+14V
(12MVIN) .......................................................................–14V
(5VIN) ..............................................................................+7V
(3VIN), (VSTBY) .................................................................+7V
Any Logic Output Voltage ............... –0.5 (min)/+5.5V (max)
Any Logic Input Voltage ................... –0.5 (min)/+5.5V (max
Output Current (FAILT[A/B]#, /INT, SDA). ..................10mA
Lead Temperature
IR Reflow, Peak Temperature.......................... 235 +5/–0°C
Storage Temperature (Ts) .........................–65°C to +150°C
ESD Rating(3).................................................................. 2kV
Operating Ratings(2)
Supply Voltage
(12VIN) .................................................... +11.65V to +12.6V
(12MVIN) ................................................... –11.0V to –13.2V
(5VIN) .......................................................... +4.85V to 5.25V
(3VIN) ............................................................ +3.1V to +3.6V
(VSTBY) ......................................................... +3.15V to 3.6V
Ambient Temperature (TA) .............................. 0°C to +70°C
Junction Temperature (TJ) ......................................... 125°C
Thermal Resistance
TQFP (θJA) ......................................................56.5°C/W
Electrical Characteristics(4)
12VIN = 12V; 12MVIN = –12V; 5VIN = 5V; 3VIN = 3.3V; VSTBY = 3.3V; TA = 0°C to 70°C; unless noted.
Power Control and Logic Sections
Symbol
Parameter
ICC12
ICC5
ICC33
ICC12M
ICCVSBY
VUVLO
Supply Current
Under Voltage Lockout
VHYSUV
VHYSSTBY
VUVTH
VUVTH(12V)
VUVTH(12MV)
VUVTH(3V)
VUVTH(5V)
VUVTH(VAUX)
VHYSPG
VGATE
IGATE(SOURCE)
IGATE(SINK)
Under Voltage Lockout Hysteresis -
12VIN, 12MVIN, 5VIN, 3VIN
Under-voltage Lockout Hysteresis -
VSTBY
Power Good Under-Voltage Thresholds
12VOUT[A/B]
12MVOUT [A/B]
3VOUT [A/B]
5VOUT [A/B]
VAUX[A/B]
Power-Good Detect Hysteresis
5VGATE/3VGATE Voltage
5VGATE/3VGATE Output Source
5VGATE/3VGATE Output Sink Fault
Current
Condition
12VIN increasing
3VIN increasing
5VIN increasing
12MVIN increasing
VSTBY increasing
12VOUT[A/B] decreasing
12MVOUT[A/B] decreasing
3VOUT[A/B] decreasing
5VOUT[A/B] decreasing
VAUX[A/B] decreasing
start cycle
any fault condition, VGATE = 5V
Min
Typ
0.6
1.2
0.5
–1.0
2.5
8
9
2.2
2.5
3.7
4.0
–10
–9
2.8
2.9
180
50
10.2
–10.8
2.7
4.4
2.7
12VIN–15
15
10.5
–10.6
2.8
4.5
2.8
30
25
70
Max Units
2.0
mA
2.0
mA
0.7
mA
–2.0
mA
5.0
mA
10
V
2.75
V
4.3
V
–8
V
3.0
V
mV
mV
10.8
V
–10.2
V
2.9
V
4.7
V
2.9
V
mV
12VIN
V
35
µA
mA
September 2008
6
M9999-091808
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