Datasheet

LT3032 Series
12
3032fd
TYPICAL PERFORMANCE CHARACTERISTICS
OUTP 10Hz to 100kHz Output Noise
C
BYPP
= 0.01μF
1ms/DIVC
OUTP
= 10µF
I
L
= 150mA
V
OUTP
= 5V
V
OUTP
100µV/DIV
3032 G45
OUTP 10Hz to 100kHz Output Noise
C
BYPP
= 0
1ms/DIVC
OUTP
= 10µF
I
L
= 150mA
V
OUTP
= 5V
V
OUTP
100µV/DIV
3032 G44
OUTN RMS Noise
vs Load Current (10Hz to 100kHz)
140
120
100
80
60
40
20
0
LOAD CURRENT (mA)
OUTN RMS NOISE (µV
RMS
)
–0.01
3032 G43
LT3032
LT3032-5
LT3032-12
LT3032-15
–1 –10 –1k–0.1 –100
C
OUTN
= 10µF
C
BYPN
= 0
C
BYPN
= 0.01µF
LT3032
LT3032-5
LT3032-12
LT3032-15
OUTN RMS Noise
vs Bypass Capacitor
C
BYPN
(pF)
10
OUTN RMS NOISE (µV
RMS
)
250
200
150
100
50
0
100 1k 10k
3032 G42
C
OUTN
= 10µF
I
L
= –150mA
f = 10Hz TO 100kHz
LT3032
LT3032-5
LT3032-15
LT3032-12
OUTP RMS Noise
vs Load Current (10Hz to 100kHz)
LOAD CURRENT (mA)
0.01
OUTP RMS NOISE (µV
RMS
)
350
300
250
200
150
100
50
0
0.1 1
3032 G41
10 100 1k
LT3032
LT3032-5
LT3032-12
LT3032-15
C
OUTP
= 10µF
C
BYPP
= 0
C
BYPP
= 0.01µF
LT3032
LT3032-5
LT3032-12
LT3032-15
Negative Load Regulation OUTP Noise Spectral Density
TEMPERATURE (°C)
60
50
40
30
20
10
0
3032 G37
LOAD REGULATION (mV)
LT3032-5
LT3032-15
LT3032-12
LT3032
V
INN
= V
OUTN(NOMINAL)
– 1V
I
L
= –1mA TO –150mA
–50 –25 0 25 50 75 100 125
FREQUENCY (Hz)
10 1k 10k 100k
3032 G38
100
10
1
0.1
0.01
OUTP NOISE SPECTRAL DENSITY (µV/√Hz)
C
BYPP
= 1000pF
C
BYPP
= 100pF
C
OUTP
= 10µF
I
L
= 150mA
C
BYPP
= 0.01µF
V
OUTP
= 5V
V
OUTP
= V
ADJP
OUTN Noise Spectral Density
FREQUENCY (Hz)
0.1
OUTN NOISE SPECTRAL DENSITY (µV/√Hz)
1
10 1k 10k 100k
3032 G39
0.01
100
10
C
OUTN
= 10µF
I
L
= –150mA
C
BYPN
= 1000pF
C
BYPN
= 0
V
OUTN
= –5V
V
OUTN
= V
ADJN
C
BYPN
= 0.01µF
C
BYPN
= 100pF
OUTP RMS Noise
vs Bypass Capacitor
C
BYPP
(pF)
10
OUTP RMS NOISE (µV
RMS
)
350
300
250
200
150
100
50
0
100 1k 10k
3032 G40
C
OUTP
= 10µF
I
L
= 150mA
f = 10Hz TO 100kHz
LT3032
LT3032-5
LT3032-12
LT3032-15