Datasheet

LT3071
9
3071fb
For more information www.linear.com/3071
Bias Voltage Line Regulation
TEMPERATURE (°C)
–75
BIAS VOLTAGE LINE REGULATION (µV)
800
700
600
500
400
300
200
100
0
125
3071 G33
–25 25 75 175100–50 0 50 150
V
BIAS
= 2.2V TO 3.6V
V
IN
= 1.1V
V
OUT
= 0.8V
I
OUT
= 10mA
Bias Voltage Line Regulation
typicAl perFormAnce chArActeristics
RMS Output Noise
vs Output Current Output Noise (10Hz to 100kHz)
Input Voltage Line Regulation
Output Voltage Start-Up Time
vs C
REF/BYP
Output Noise Spectral Density
Nap Mode Recovery Time vs I
OUT
Input Voltage Line Regulation
TEMPERATURE (°C)
–75
BIAS VOLTAGE LINE REGULATION (µV)
400
300
200
100
0
–100
–200
–300
–400
125
3071 G34
–25 25 75 175100–50 0 50 150
V
BIAS
= 3.25V TO 3.6V
V
IN
= 2.1V
V
OUT
= 1.8V
I
OUT
= 10mA
TEMPERATURE (°C)
0
INPUT VOLTAGE LINE REGULATION (µV)
100
200
300
50
150
250
–25 25 75 125
3071 G35
175–50–75 0 50 100 150
V
BIAS
= 3.3V
V
IN
= 1.05V TO 2.7V
V
OUT
= 0.8V
I
OUT
= 10mA
TEMPERATURE (°C)
0
INPUT VOLTAGE LINE REGULATION (µV)
100
200
300
50
150
250
–25 25 75 125
3071 G36
175–50–75 0 50 100 150
V
BIAS
= 3.3V
V
IN
= 2.05V TO 2.7V
V
OUT
= 1.8V
I
OUT
= 10mA
REF/BYP CAPACITANCE (µF)
0
OUTPUT VOLTAGE START-UP TIME (ms)
12
16
20
0.4
3071 G37
8
4
10
14
18
6
2
0
0.1
0.2
0.3
0.5
V
BIAS
= 2.5V TO 3.3V
I
OUT
= 10mA
C
OUT
= 10µF + 4.7µF + 2.2µF
T
J
= 25°C
SEE APPLICATIONS
INFORMATION FOR
START-UP DETAILS
OUTPUT CURRENT (A)
0
NAP MODE RECOVERY TIME (µs)
150
200
250
3
5
3071 G38
100
50
0
1 2 4
300
350
400
V
BIAS
= 3.3V
V
IN
= V
OUT(NOM)
+ 300mV
EN = LOW TO HIGH
I
OUT
= 5A (SET BY A RESISTOR LOAD)
T
J
= 25°C
V
OUT
= 1.8V,
C
OUT
= 117µF
V
OUT
= 1.2V,
C
OUT
= 117µF
V
OUT
= 0.8V,
C
OUT
= 117µF
FREQUENCY (Hz)
0.01
NOISE SPECTRAL DENSITY (µV/√Hz)
0.1
10 1k 10k 100k
3071 G39
0.001
100
1.0
V
BIAS
= 2.5V
V
OUT
= 1V
I
OUT
= 5A
C
OUT
= 16.9µF
C
REF/BYP
= 0.01µF
OUTPUT CURRENT (A)
0.01
40
OUTPUT NOISE (µV
RMS
)
60
80
0.1 1 10
3071 G40
20
30
50
70
10
0
V
IN
= V
OUT(NOMINAL)
+ 300mV
V
BIAS
= 3.3V
C
OUT
= 16.9µF
V
OUT
= 1.8V
V
OUT
= 1.2V
V
OUT
= 0.8V
V
OUT
100µV/DIV
1ms/DIVV
OUT
= 1V
I
OUT
= 5A
C
OUT
= 16.9µF
3071 G41