Datasheet

LT1962 Series
10
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For more information www.linear.com/LT1962
Typical perForMance characTerisTics
Output Noise Spectral Density
RMS Output Noise
vs Bypass Capacitor
RMS Output Noise
vs Load Current (10Hz to 100kHz)
FREQUENCY (Hz)
0.1
OUTPUT NOISE SPECTRAL DENSITY (µV/√Hz)
1
10 1k 10k
100k
1962 G49
0.01
100
10
LT1962-5
LT1962
I
L
= 300mA
C
OUT
= 10µF
C
BYP
= 0.01µF
C
BYP
= 100pF
C
BYP
= 1000pF
C
BYP
(pF)
10
80
OUTPUT NOISE (µV
RMS
)
120
160
100 1k
10k
1962 G50
40
60
100
140
20
0
I
L
= 300mA
C
OUT
= 10µF
f = 10Hz to 100kHz
LT1962-5
LT1962-3.3
LT1962-3
LT1962
LT1962-2.5
LT1962-1.8
LT1962-1.5
LOAD CURRENT (mA)
40
OUTPUT NOISE (µV
RMS
)
60
100
140
160
0.01 1 10
1000
1962 G51
20
0.1
100
120
80
0
C
OUT
= 10µF
C
BYP
= 0µF
C
BYP
= 0.01µF
LT1962-5
LT1962-5
LT1962
LT1962
LT1962-5 10Hz to 100kHz
Output Noise (C
BYP
= 0.01µF) LT1962-5 Transient Response LT1962-5 Transient Response
LT1962-5 10Hz to 100kHz
Output Noise (C
BYP
= 0)
LT1962-5 10Hz to 100kHz
Output Noise (C
BYP
= 100pF)
LT1962-5 10Hz to 100kHz
Output Noise (C
BYP
= 1000pF)
TIME (ms)
0
OUTPUT VOLTAGE
DEVIATION (V)LOAD CURRENT (mA)
0
0.2
0.4
1.6
1962 G56
–0.2
–0.4
0
100
200
300
0.4
0.2
0.6
0.8
1.2
1.8
1.4
1.0
2.0
V
IN
= 6V
C
IN
= 10µF
C
OUT
= 10µF
C
BYP
= 0
TIME (µs)
0
OUTPUT VOLTAGE
DEVIATION (mV)LOAD CURRENT (mA)
0
0.05
0.10
400
1962 G57
–0.05
–0.10
0
100
200
300
100
50
150
200
300
450
350
250
500
V
IN
= 6V
C
IN
= 10µF
C
OUT
= 10µF
C
BYP
= 0.01µF
1ms/DIV
1962 G52
C
OUT
= 10µF
I
L
= 300mA
V
OUT
100µV/DIV
1ms/DIV
1962 G53
C
OUT
= 10µF
I
L
= 300mA
V
OUT
100µV/DIV
1ms/DIV
1962 G54
C
OUT
= 10µF
I
L
= 300mA
V
OUT
100µV/DIV
1ms/DIV
1962 G55
C
OUT
= 10µF
I
L
= 300mA
V
OUT
100µV/DIV
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