Datasheet

9
LT1764A Series
1764afb
RMS Output Noise vs Load Current
(10Hz to 100kHz)
LT1764A-3.3 10Hz to 100kHz
Output Noise
LT1764A-3.3 Transient Response
LOAD CURRENT (A)
10
OUTPUT NOISE (µV
RMS
)
15
25
35
40
0.0001 0.01 0.1 10
1764 G36
5
0.001
1
30
20
0
LT1764A-3.3
LT1764A-2.5
LT1764A-1.8
LT1764A
C
OUT
= 10µF
LT1764A-1.5
V
OUT
100µV/DIV
C
OUT
= 10µF 1ms/DIV 1764A G37
I
L
= 3A
TIME (µs)
0
OUTPUT VOLTAGE
DEVIATION (V)
LOAD CURRENT (A)
–0.1
0.1
–0.2
0
0.2
16
1764 G38
1.00
0.50
0.75
0.25
0
462
8
12 14 18
10
20
V
IN
= 4.3V
C
IN
= 3.3µF TANTALUM
C
OUT
= 10µF TANTALUM
LT1764A-3.3 Transient Response
TIME (µs)
0
OUTPUT VOLTAGE
DEVIATION (V)
LOAD CURRENT (A)
–0.1
0.1
–0.2
0
0.2
16
1764 G39
2
3
1
0
462
8
12 14 18
10
20
V
IN
= 4.3V
C
IN
= 33µF
C
OUT
= 100µF TANTALUM
+ 10 × 1µF CERAMIC
TYPICAL PERFOR A CE CHARACTERISTICS
UW
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