MIC39100/39101/39102
Micrel
Typical Characteristics
Power Supply
Rejection Ratio
80
V
IN
= 5V
V
OUT
= 3.3V
60
PSRR (dB)
PSRR (dB)
60
PSRR (dB)
80
V
IN
= 5V
V
OUT
= 3.3V
60
Power Supply
Rejection Ratio
80
Power Supply
Rejection Ratio
V
IN
= 3.3V
V
OUT
= 2.5V
40
20 I
OUT
= 1A
C
OUT
= 10µF
C
IN
= 0
0
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
1k
10k 100k 1M
10
100
FREQUENCY (Hz)
40
I
OUT
= 1A
C
OUT
= 47µF
C
IN
= 0
40
20 I
OUT
= 1A
C
OUT
= 10µF
C
IN
= 0
0
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
1k
10k 100k 1M
10
100
FREQUENCY (Hz)
20
0
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
1k
10k 100k 1M
10
100
FREQUENCY (Hz)
Power Supply
Rejection Ratio
80
DROPOUT VOLTAGE (mV)
V
IN
= 3.3V
V
OUT
= 2.5V
60
PSRR (dB)
500
450
400
350
300
250
200
150
100
50
0
0
Dropout Voltage
vs. Output Current
DROPOUT VOLTAGE (mV)
2.5V
3.3V
1.8V
T = 25°C
A
600
550
500
Dropout Voltage
vs. Temperature
I
LOAD
= 1A
1.8V
3.3V
40
20 I
OUT
= 1A
C
OUT
= 47µF
C
IN
= 0
0
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
1k
10k 100k 1M
10
100
FREQUENCY (Hz)
450
400
350
300
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
2.5V
250 500 750 1000 1250
OUTPUT CURRENT (mA)
2.8
OUTPUT VOLTAGE (V)
2.6
2.4
2.2
2.0
1.8
1.6
1.4
2
Dropout Characteristics
(2.5V)
OUTPUT VOLTAGE (V)
ILOAD =100mA
3.6
3.4
3.2
3.0
Dropout Characteristics
(3.3V)
14
GROUND CURRENT (mA)
Ground Current
vs. Output Current
12
10
8
6
4
2
0
0
200 400 600 800 1000
OUTPUT CURRENT (mA)
1.8V
2.5V
3.3V
ILOAD =100mA
ILOAD =750mA
ILOAD =1A
ILOAD =750mA
2.8
ILOAD =1A
2.6
2.4
2.8
2.3
2.6
2.9
3.2
SUPPLY VOLTAGE (V)
3.5
3.2
3.6
4.0
SUPPLY VOLTAGE (V)
4.4
Ground Current
vs. Supply Voltage (2.5V)
GROUND CURRENT (mA)
Ground Current
vs. Supply Voltage (2.5V)
35
GROUND CURRENT (mA)
GROUND CURRENT (mA)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
2
4
6
SUPPLY VOLTAGE (V)
8
ILOAD
=
10mA
ILOAD
=
100mA
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
Ground Current
vs. Supply Voltage (3.3V)
30
25
20
15
10
5
0
0
2
4
6
SUPPLY VOLTAGE (V)
8
ILOAD =1A
ILOAD =100mA
ILOAD =10mA
2
4
6
SUPPLY VOLTAGE (V)
8
June 2000
5
MIC39100/39101/39102
MICREL [ MICREL SEMICONDUCTOR ]
