MIC2582 Ver la hoja de datos (PDF) - Micrel
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MIC2582 Datasheet PDF : 25 Pages
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Micrel, Inc.
MIC2582/MIC2583
Absolute Maximum Ratings(1)
Supply Voltage (VCC)....................................... –0.3V to 20V
/POR, /FAULT, PWRGD pins.......................... –0.3V to 15V
SENSE pin ............................................ –0.3V to VCC+0.3V
ON pin ............................................ –0.3V to VCC+0.3V
GATE pin ..................................................... –0.3V to 20V
FB Input pins ..................................................... –0.3V to 6V
Junction Temperature .............................................. +125°C
Lead Temperature
Standard Package (-JBM and –xBQS)
(IR Reflow, Peak Temperature) ..240°C + 0°C/-5°C
Pb-Free Package (-xYM or –xYQS)
(IR Reflow, Peak Temperature) ..260°C + 0°C/-5°C
EDS Rating
Human body model.................................................. 2kV
Machine model ......................................................100V
Operating Ratings(2)
Supply Voltage (VCC).................................. +2.3V to +13.2V
Ambient Temperature (TA) .......................... –40°C to +85°C
Junction Thermal Resistance
SOIC (θJA) ........................................................163°C/W
QSOP (θJA) ......................................................112°C/W
Electrical Characteristics(3)
VCC = 5.0V, TA = 25°C unless noted. Bold values indicate –40°C ≤ TA ≤ +85°C.
Symbol Parameter
Condition
VCC
Supply Voltage
ICC
Supply Current
VON = 2V
VTRIP
Circuit Breaker Trip Voltage
(Current Limit Threshold)
VTRIP = VCC − VSENSE
VTRIPSLOW
VTRIPFAST
(MIC2582-Jxx)
VTRIPFAST
(MIC2583/83R) X = J
X=K
X=L
VGS
External Gate Drive
VGATE − VCC
VCC > 3V
IGATE
GATE Pin Pull-Up Current
VCC = 2.3V
Start Cycle, VGATE = 0V, VCC = 13.2V
IGATEOFF GATE Pink Sink Current
VCC = 2.3V
VGATE > 1V
VCC = 13.2V, Note 4
/FAULT = 0
(MIC2583/83R only)
VCC = 2.3V, Note 4
Turn Off
ITIMER
Current Limit/Overcurrent Timer
(CFILTER) Current
(MIC2583/83R)
VCC − VSENSE > VTRIPSLOW (timer on)
VCC − VSENSE > VTRIPSLOW (timer off)
ICPOR
Power-On-Reset Timer Current
Timer on
Timer off
VTH
POR Delay and Overcurrent
Timer (CFILTER) Threshold
VCPOR rising
VCFILTER rising (MIC2583/83R only)
VUV
Undervoltage Lockout Threshold VCC rising
VCC falling
VUVHYS Undervoltage Lockout Hysteresis
VON
ON Pin Threshold Voltage
2.3V ≤ VCC ≤ 13.2V ON rising
ON falling
VONHYS ON Pin Hysteresis
Min
2.3
42
85
130
175
7
3.5
−30
−26
−8.5
4.5
−3.5
0.5
1.19
2.1
1.90
1.19
1.14
Typ Max Units
13.2 V
1.5
2.5 mA
50
59
100
mV
100 110 mV
150 170 mV
200 225 mV
8
9
V
4.8
6.5
V
17
−8
µA
17
−8
µA
100
µA
50
µA
110
µA
−6.5 −4.5 µA
6.5
8.5
µA
2.5 −1.5 µA
1.3
mA
1.245 1.30 V
2.2
2.3
V
2.05 2.20 V
150
mV
1.24 1.29 V
1.19 1.24 V
50
mV
April 2009
5
M9999-043009-C
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