
Micrel, Inc.
SY58031U
October 1, 2013
4
Revision 5.0
Absolute Maximum Ratings(3)
Power Supply Voltage (VCC)....................... –0.5V to +4.0V
Input Voltage (VIN)......................................... –0.5V to VCC
Current (VT)
Source or sink current on VT pin..........................±100mA
Input Current (VT)
Source or sink current on IN, /IN............................±50mA
Current (VREF)
Source or sink current on VREF-AC(5) ..................±1.5mA
Lead Temperature (soldering, 20s)............................ 260°C
Storage Temperature (Ts).........................–65°C to +150°C
Operating Ratings(4)
Power Supply Voltage (VCC) .................... +2.375V to +3.6V
Ambient Temperature (TA) ..........................–40°C to +85°C
Junction Thermal Resistance(6)
QFN (θJA), Still-Air..............................................35°C/W
QFN (ψJB), Junction-to-Board............................20°C/W
DC Electrical Characteristics(7)
TA = –40°C to +85°C.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
VCC
Power supply voltage
2.5V nominal
3.3V nominal
2.375
3.0
2.5
3.3
2.625
3.6
V
ICC
Power supply current
VCC = max., no lead. Includes current
through 50 pull-ups.
265
330
mA
VIH
Input HIGH voltage
IN1, /IN1, Note 8
VCC-1.6
VCC
V
VIL
Input LOW voltage
IN1, /IN1
0
VIH-0.1
V
VIN
Input voltage swing
0.1
1.7
V
VDIFF_IN
Differential input voltage swing
[IN0, /IN0], [IN1, /IN1]
0.2
V
RIN
In-to-VT resistance
40
50
60
VT IN
Max. In-to-VT (IN, /IN)
1.28
V
VREF-AC
VCC-1.3 VCC-1.2
VCC-1.1
V