Datasheet

LT3082
6
3082f
FREQUENCY (Hz)
1
NOISE SPECTRAL DENSITY (nV/√Hz)
REFERENCE CURRENT NOISE SPECTRAL DENSITY (pA/√Hz)
10k
10k 100k10010 1k
3082 G19
100
10
1k
0.1
1k
10
1.0
100
TYPICAL PERFORMANCE CHARACTERISTICS
Ripple Rejection (120Hz)
Noise Spectral Density
Output Voltage Noise
TIME 1ms/DIV
V
OUT
100µV/DIV
V
OUT
= 1V
R
SET
= 100k
C
SET
= 0.1µF
C
OUT
= 2.2µF
I
LOAD
= 200mA
3082 G20
V
BAT
= 3.6V
I
CPO
= 200µA
C
CPO
= 2.2F
100 1k 10k 100k 1M 10M10
FREQUENCY (Hz)
80
RIPPLE REJECTION (dB)
100
60
40
20
0
120
3082 G17
V
IN
= V
OUT(NOMINAL)
+ 3V
RIPPLE = 500mV
P-P
I
LOAD
= 200mA
C
OUT
= 2.2µF
C
SET
=
0.1µF
C
SET
= 0
Ripple Rejection
TEMPERATURE (°C)
–50
80
RIPPLE REJECTION (dB)
81
83
84
85
90
87
0
50
75
3082 G18
82
88
89
86
–25 25
100
125
150
V
IN
= V
OUT(NOMINAL)
+ 2V
RIPPLE = 500mV
P-P
, f = 120Hz
I
LOAD
= 0.2A
C
SET
= 0, C
OUT
= 2.2µF
Residual Output for Less Than
Minimum Load Current
R
TEST
()
0
OUTPUT VOLTAGE (mV)
800
700
600
500
400
300
200
100
0
3082 G16
20001000
V
IN
= 36V
V
IN
= 5V
SET PIN = 0V
V
IN
V
OUT
R
TEST