LT1764A LINER [Linear Technology], LT1764A Datasheet - Page 6

• Manufacturer Part Number: LT1764A
• Description: 1.1A, Low Noise, Low Dropout Linear Regulator
• Manufacturer: LINER [Linear Technology]

LT1965
TYPICAL PERFORMANCE CHARACTERISTICS
6
1.00
0.10
0.01
100
90
80
70
60
6
5
4
3
2
1
0
–50 –25
10
Reverse Output Current
0
Ripple Rejection vs Temperature
Output Noise Spectral Density
V
T
V
CURRENT FLOWS INTO
OUTPUT PIN
V
C
I
I
V
RIPPLE AT f = 120Hz
L
V
= 2.5V
L
OUT
J
IN
OUT
OUT
IN
OUT
= 1.1A
= 0.75A
= 25°C
= 0V
= V
= 1.8V
= V
= 10μF
2
OUT(NOMINAL)
100
ADJ
V
OUTPUT VOLTAGE (V)
OUT
0
TEMPERATURE (°C)
FREQUENCY (Hz)
= 1.5V
4
25
1k
+ 1V + 0.5
50
6
75
P-P
10k
V
V
OUT
OUT
8
100
= 3.3V
= 1.2V
1965 G16
1965 G19
1965 G22
100k
125
10
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0.0001
0
0
0
–50 –25
–50 –25
Reverse Output Current
Minimum Input Voltage
RMS Output Noise vs Load
Current (10Hz to 100kHz)
C
I
V
V
L
OUT
IN
OUT
= 1.1A
= 0V
= 10μF
0.001
= 1.2V
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
LOAD CURRENT (A)
0.01
V
25
25
OUT
= 1.5V
50
50
0.1
75
75
V
V
V
V
I
I
I
L
L
L
OUT
OUT
OUT
OUT
= 1.1A
= 500mA
= 100mA
1
100
100
= 3.3V
= 2.5V
= 1.8V
= 1.2V
1965 G17
1965 G23
1965 G20
125
125
10
100μV/DIV
V
–10
–12
–14
–16
OUT
90
80
70
60
50
40
30
20
10
–2
–4
–6
–8
0
0
–50 –25
10
Ripple Rejection vs Frequency
Load Regulation
1.8V 10Hz to 100kHz
Output Noise
I
C
V
+ 1V + 50mV
V
ΔI
L
C
I
OUT
IN
L
IN
OUT
= 0.75A
L
= 1.1A
= V
= 2.3V
= 1mA TO 1.1A
= 10μF CERAMIC
= 10μF
100
OUT(NOMINAL)
0
TEMPERATURE (°C)
RMS
FREQUENCY (Hz)
1k
400μs/DIV
RIPPLE
25
50
10k
75
100k
100
1965 G18
1965 G21
1965 G24
1965f
125
1M