Micrel, Inc.
MIC1555/1557
March 11, 2014
5
Revision 6.0
Absolute Maximum Ratings
Supply Voltage (VS)......................................................+22V
Threshold Voltage (VTHR, VT/T). ....................................+22V
Trigger Voltage (VTGR, VT/T) ..........................................+22V
Lead Temperature (soldering, 10s)............................ 300°C
Maximum Storage Temperature ................................ 150°C
Operating Ratings
Supply voltage (VS) ....................................... +2.7V to +18V
Ambient Temperature (TA) .......................... –40°C to +85°C
Package Thermal Resistance
SOT23-5 and Thin SOT23-5 (
θ
JA) ................... 250°C/W
2mm × 2mm UTDFN (
θ
JA) ................................. 90°C/W
Electrical Characteristics
TA = 25°C, bold values indicate –40°C
≤ TA ≤ +85°C, unless noted.
Parameter
Condition
Min.
Typ.
Max.
Units
Supply Current
VS = 5V
240
300
A
VS = 15V
350
400
Monostable Timing Accuracy
RA = 10k
, C =0.1F, VS = 5V
2
%
RA = 10k
, C =0.1F, VS = 5V
858
1161
s
Monostable Drift
Overtemperature
VS = 5V, –55°C
100
ppm/°C
VS = 10V, –55°C
150
VS = 15V, –55°C
200
Monostable Drift over Supply
0.5
%/V
Astable Timing Accuracy
RA = RB = 10k
, C = 0.1F, VS = 5V
2
%
RA = RB = 10k
, C = 0.1F, VS = 5V
1717
2323
s
Maximum Astable
Frequency
RT = 1k
, CT = 47pF, VS = 8V
5
MHz
Astable Drift
Overtemperature
VS = 5V, –55°C
100
ppm/°C
VS = 10V, –55°C
150
VS = 15V, –55°C
200
Astable Drift over Supply
0.5
%/V
Threshold Voltage
VS = 15V
61
67
72
%/VS
Trigger Voltage
VS = 15V
27
32
37
%/VS
Trigger Current
VS = 15V
50
nA
Threshold Current
VS = 15V
50
nA
Chip Select
on > 2/3 VS
50
67
72
%/VS
off < 1/3 VS
28
33
50
Notes:
3.
Exceeding the absolute maximum ratings may damage the device
4.
The device is not guaranteed to function outside its operating ratings.
5.
Devices are ESD protected, however handling precautions recommended.
6.
Not tested.