LTC3025-3 LINER [Linear Technology], LTC3025-3 Datasheet - Page 9

• Manufacturer Part Number: LTC3025-3
• Description: 1A, 0.9V to 10V, Very Low Dropout Linear Regulator
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
100
200
180
160
140
120
100
90
80
70
60
50
40
30
20
10
30
25
20
15
10
80
60
40
20
0
5
0
0
0.01
–50
0
Input Ripple Rejection
No-Load Recovery Threshold
RMS Output Noise vs Load
Current (10Hz to 100kHz)
T
V
V
C
I
V
C
T
L
J
OUT
OUT
J
IN
OUT
OUT
= 1A
= 25°C
= 25°C
–25
= 1.5V + 0.5V
= 0.5V
= 10µF
= 1.2V
= 10µF
0.1
OUTPUT OVERSHOOT (%)
5
0
LOAD CURRENT (mA)
TEMPERATURE (°C)
1
P-P
25
RIPPLE AT 120Hz
10
50
10
75
15
100
100
3022 G23
3022 G26
3022 G29
1000
125
20
0.5V/DIV
1V/DIV
V
V
SHDN
–0.1
–0.3
–0.5
–0.7
–0.9
–1.1
–1.3
–1.5
OUT
0.5
0.3
0.1
12
10
4
0
8
6
2
–50
–50
Line Regulation
No-Load Recovery Threshold
Start-Up from Shutdown
R
V
V
C
∆V
V
I
L
IN
OUT
OUT
L
OUT
= 1.2
= 1mA
= 1.5V
IN
–25
–25
= 1.2V
= 10µF
= 1.15V TO 10V
= 0.2V
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
I
I
OUT(SINK)
OUT(SINK)
25
25
50µs/DIV
50
50
= 5mA
= 1mA
75
75
100
100
3022 G24
3022 G27
3022 G30
LT3022-1.5/LT3022-1.8
125
125
500mA/DIV
50mV/DIV
LT3022/LT3022-1.2
0.001
0.01
–0.2
–0.4
–0.6
–0.8
–1.0
0.1
1.0
0.8
0.6
0.4
0.2
V
10
I
1
OUT
OUT
0
–50
10
Output Noise Spectral Density
Load Regulation
V
I
T
V
V
∆I
LOAD REGULATION NUMBER REFERS
TO CHANGE IN THE 200mV REFERENCE
VOLTAGE
L
Transient Response
V
V
I
C
t
J
IN
OUT
OUT
OUT
RISE
IN
OUT
OUT
L
= 1A
= 25°C
–25
= 1.15V
= 1mA TO 1A
= 1.5V
= 1.2V
= 0.5V
= 100mA to 1A
100
= t
= 1.2V
= 22µF
FALL
0
TEMPERATURE (°C)
FREQUENCY (Hz)
= 100ns
1k
25
C
OUT
50µs/DIV
C
50
= 10µF
OUT
10k
= 47µF
75
100k
100
3022 G28
3022 G25
3022fb
9
3022 G31
125
1M