January 2005
7
MIC2044/2045
MIC2044/2045
Micrel
100
125
150
175
200
225
250
275
300
-40 -20
0
20
40
60
80 100
SUPPLY CURRENT (
µ
A)
TEMPERATURE (
°
C)
Supply Current
vs. Temperature
V
IN
= V
BIAS
= 1.6V
V
IN
= V
BIAS
= 5.5V
V
IN
= V
BIAS
= 3V
0
1
2
3
4
5
-40 -20
0
20
40
60
80 100
V
EN
(V)
TEMPERATURE (
°
C)
Enable Input Threshold
(Rising)
vs. Temperature
V
BIAS
= 5.5V
V
BIAS
= 3V
V
BIAS
= 1.6V
0
1
2
3
4
5
-40 -20
0
20
40
60
80 100
V
EN
(V)
TEMPERATURE (
°
C)
Enable Input Threshold
(Falling)
vs. Temperature
V
BIAS
= 5.5V
V
BIAS
= 3V
V
BIAS
= 1.6V
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
-40 -20
0
20
40
60
80 100
OUTPUT LEAKAGE (nA)
TEMPERATURE (
°
C)
Output Leakage Current
vs. Temperature
V
BIAS
= 5.5V
V
BIAS
= 3V
V
BIAS
= 1.6V
0
5
10
15
20
25
30
35
40
-40 -20
0
20
40
60
80 100
ON RESISTANCE (m
Ω
)
TEMPERATURE (
°
C)
ON Resistance
vs. Temperature
V
IN
= V
BIAS
= 1.6V
V
IN
= V
BIAS
= 3V
V
IN
= V
BIAS
= 5.5V
20
25
30
35
40
45
50
-40 -20
0
20
40
60
80 100
T
FLAG
(ms)
TEMPERATURE (
°
C)
Flag Response Delay
vs. Temperature
T
FLAG
= 3V
T
FLAG
= 5V
200
400
600
800
1000
1200
1400
1600
-40 -20
0
20
40
60
80 100
TURN ON DELAY (
µ
s)
TEMPERATURE (
°
C)
Turn On Delay
vs. Temperature
V
IN
= V
BIAS
= 5.5V
V
IN
= V
BIAS
= 3V
V
IN
= V
BIAS
= 1.6V
0
5
10
15
20
25
0
1
2
3
4
5
6
I
R
(mA)
V
OUT
–V
BIAS
(V)
V
BIAS
Reverse Current Flow
vs. Output Voltage
V
IN
= GND
V
BIAS
= 1.6V
Typical Characteristics
0
0.5
1
1.5
2
2.5
3
-40 -20
0
20
40
60
80 100
UVLO THRESHOLD (V)
TEMPERATURE (
°
C)
UVLO Threshold
vs. Temperature
UVLO+
UVLO–
0
50
100
150
200
250
300
350
400
-40 -20
0
20
40
60
80 100
UVLOIN THRESHOLD (mV)
TEMPERATURE (
°
C)
UVLO Adjust Pin Threshold
vs. Temperature
UVLOIN–
0
5
10
15
20
25
-40 -20
0
20
40
60
80 100
SLEW PIN VOLTAGE (V)
TEMPERATURE (
°
C)
SLEW Voltage
vs. Temperature
V
IN
= V
BIAS
= 1.6V
V
IN
= V
BIAS
= 5V
V
IN
= V
BIAS
= 3V
210
215
220
225
230
-40 -20
0
20
40
60
80 100
V
TH
(mV)
TEMPERATURE (
°
C)
Power-Good Reference
Threshold
vs. Temperature
V
TH
@ 1.6V to 5.5V
