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| MIC502_06 Datasheet, PDF (3/15 Pages) Micrel Semiconductor – Fan Management IC | |||
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Micrel, Inc.
MIC502
Absolute Maximum Ratings(1)
Supply Voltage (VDD)....................................................+14V
Output Sink Current (IOUT(sink)) .....................................10mA
Output Source Current (IOUT(source)) ..............................25mA
Input Voltage (any pin) .......................... â0.3V to VDD +0.3V
Junction Temperature (TJ) ....................................... +125°C
Lead Temperature (soldering, 5 sec.)........................ 260°C
Storage Temperature (TA).........................â65°C to +150°C
ESD Rating(3)
Operating Ratings(2)
Supply Voltage (VDD)....................................... +4V to 13.2V
Sleep Voltage (VSLP).......................................... GND to VDD
Temperature Range (TA)............................. â40°C to +85°C
Power Dissipation at 25°C
SOIC ..................................................................800mW
DIP ..................................................................... 740mW
Derating Factors
SOIC ..............................................................8.3mW/°C
Plastic DIP .....................................................7.7mW/°C
Electrical Characteristics
4.5V ⤠VDD ⤠13.2V, Note 4; TA = 25°C, bold values indicate â40°C ⤠TA < +85°C, unless noted.
Symbol Parameter
Condition
Min Typ
IDD
Supply Current, Operating
IDD(slp)
Supply Current, Sleep
Driver Output
VSLP = GND, OTF, OUT = open,
CF = 0.1µF, VT1 = VT2 = 0.7 VDD
VT1 = GND, VSLP, OTF, OUT = open,
CF = 0.1µF
tR
Output Rise Time, Note 5
IOH = 10mA
tF
Output Fall Time, Note 5
IOL = 1mA
IOL
Output Sink Current
VOL = 0.5V
0.9
IOH
Output Source Current
4.5V ⤠VDD ⤠5.5V, VOH = 2.4V
10
10.8V ⤠VDD ⤠13.2V, VOH = 3.2V
10
IOS
Sleep-Mode Output Leakage
VOUT = 0V
1
Thermistor and Sleep Inputs
VPWM(max) 100% PWM Duty Cycle Input
Voltage
67
70
VPWM(span) VPWM(max) â VPWM(min)
37
40
VHYST
Sleep Comparator Hysteresis
8
11
VIL
VT1 Shutdown Threshold
VIH
VT1 Startup Threshold
VOT
VT1 Overtemperature Fault
Note 6
Threshold
1.1
74
77
IVT, IVSLP VT1, VT2, VSLP Input Current
â2.5
tRESET
Reset Setup Time
minimum time VT1 < VIL, to guarantee reset,
30
Note 5
Oscillator
f
Oscillator Frequency, Note 7
4.5V ⤠VDD ⤠5.5V, CF = 0.1µF
24
27
fMIN, fMAX Oscillator Frequency Range
10.8V ⤠VDD ⤠13.2V, CF = 0.1µF
Note 7
27
30
15
tSTARTUP Startup Interval
64/f
Max
1.5
500
50
50
73
43
14
0.7
80
1
30
33
90
Units
mA
µA
µs
µs
mA
mA
mA
µA
%VDD
%VDD
%VDD
V
V
%VDD
µA
µs
Hz
Hz
Hz
S
November 2006
3
M9999-112206
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