Datasheet

LT1964
8
1964fb
TYPICAL PERFORMANCE CHARACTERISTICS
Load Regulation Output Noise Spectral Density
RMS Output Noise vs Bypass
Capacitor
RMS Output Noise vs Load
Current
LT1964-5, 10Hz to 100kHz Output
Noise, C
BYP
= 0
LT1964-5, 10Hz to 100kHz Output
Noise, C
BYP
= 100pF
TEMPERATURE (°C)
30
25
20
15
10
5
0
1964 G22
LOAD REGULATION (mV)
LT1964-5
LT1964
I
L
= –1mA TO –200mA
–50 –25 0 25 50 75 100 125
FREQUENCY (Hz)
0.1
OUTPUT NOISE SPECTRAL DENSITY (μV/√Hz)
1
10 1k 10k 100k
1964 G23
0.01
100
10
C
OUT
= 10μF
I
L
= 200mA
C
BYP
= 1000pF C
BYP
= 100pF
C
BYP
= 0
LT1964-5
LT1964
C
BYP
= 0.01μF
C
BYP
(pF)
10
OUTPUT NOISE (μV
RMS
)
140
120
100
80
60
40
20
0
100 1k 10k
1964 G24
C
OUT
= 10μF
I
L
= –200mA
f = 10Hz TO 100kHz
LT1964
LT1964-5
140
120
100
80
60
40
20
0
LOAD CURRENT (mA)
OUTPUT NOISE (μV
RMS
)
–0.01
1964 G25
C
OUT
= 10μF
C
BYP
= 0.01μF
LT1964-5
LT1964
LT1964-5
LT1964
C
BYP
= 0
–1 –10 –1k–0.1 –100
V
OUT
200μV/DIV
1ms/DIVC
OUT
= 10μF
I
LOAD
= –200mA
1964 G26
V
OUT
100μV/DIV
1ms/DIVC
OUT
= 10μF
I
LOAD
= –200mA
1964 G27
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