lt3022emse Linear Technology Corporation, lt3022emse Datasheet - Page 7

• Manufacturer Part Number: lt3022emse
• Description: Lt3022 1a, 0.9v To 10v, Very Low Dropout Linear Regulator Features
• Manufacturer: Linear Technology Corporation

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
I
L
IN
OUT
OUT
L
OUT
V
= 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
125
125
500mA/DIV
50mV/DIV
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
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
I
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
LT3022
= 47µF
75
100k
100
3022 G28
3022 G25

3022 G31
3022f
125
1M