English
Language : 

MIC502 Datasheet, PDF (3/11 Pages) Micrel Semiconductor – Fan Management IC Advance Information
MIC502
Absolute Maximum Ratings (Note 1)
Supply Voltage (VDD) .................................................. +14V
Output Sink Current (IOUT(sink)) .................................. 10mA
Output Source Current (IOUT(source)) .......................... 25mA
Input Voltage (any pin) ......................... –0.3V to VDD +0.3V
Junction Temperature (TJ) ...................................... +125°C
Storage Temperature (TA) ....................... –65°C to +150°C
Lead Temperature (Soldering, 5 sec.) ...................... 260°C
ESD, Note 3
Micrel
Operating Ratings (Note 2)
Supply Voltage (VDD) ................................ +4.5V to +13.2V
Sleep Voltage (VSLP) ........................................ GND to VDD
Temperature Range (TA) ........................... –40°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, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted
Symbol
Parameter
Condition
IDD
Supply Current, Operating
IDD(slp)
Supply Current, Sleep
Driver Output
VSLP = grounded, OTF, OUT = open,
CF = 0.1µF, VT1 = VT2 = 0.7 VDD
VT1 = grounded,
VSLP, OTF, OUT = open, CF = 0.1µF
tR
Output Rise Time, Note 5
tF
Output Fall Time, Note 5
IOL
Output Sink Current
IOH
Output Source Current
IOS
Sleep-Mode Output Leakage
Thermistor and Sleep Inputs
IOH = 10mA
IOL = 1mA
VOL = 0.5V
4.5V ≤ VDD ≤ 5.5V, VOH = 2.4V
10.8V ≤ VDD ≤ 13.2V, VOH = 3.2V
VOUT = 0V
VPWM(max)
100% PWM Duty Cycle
Input Voltage
VPWM(span)
VHYST
VIL
VIH
VOT
VPWM(max) – VPWM(min)
Sleep Comparator Hysteresis
VT1 Shutdown Threshold
VT1 Startup Threshold
VT1 Overtemperature Fault
Threshold
Note 6
IVT, IVSLP
tRESET
VT1, VT2, VSLP Input Current
Reset Setup Time
minimum time VT1 < VIL, to guarantee reset,
Note 5
Oscillator
f
Oscillator Frequency, Note 7
fMIN, fMAX
tSTARTUP
Oscillator Frequency Range
Startup Interval
4.5V ≤ VDD ≤ 5.5V, CF = 0.1µF
10.8V ≤ VDD ≤ 13.2V, CF = 0.1µF
Note 7
Min
0.9
10
10
67
37
8
1.1
74
–2.5
30
24
27
15
Typ
0.5
240
TBD
TBD
1
70
40
11
77
27
30
64/f
Max Units
1.2
mA
400
µA
50
µs
50
µs
mA
mA
mA
µA
73 %VDD
43 %VDD
14 %VDD
0.7
V
V
80 %VDD
1
µA
µs
30
Hz
33
Hz
90
Hz
s
May 1999
165
MIC502