lt3009 Linear Technology Corporation, lt3009 Datasheet - Page 7

• Manufacturer Part Number: lt3009
• Description: 3?a Iq, 20ma Low Dropout Linear Regulators
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
–0.5
–1.0
3.0
2.5
2.0
1.5
1.0
0.5
50
45
40
35
25
30
20
15
10
5
0
0
–50 –25
–50 –25
Reverse Output Current
Load Regulation
OUT = ADJ = 1.2V
IN = SHDN = GND
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
50mV/DIV
20mA/DIV
25
25
ADJ
V
I
OUT
OUT
50
50
ΔI
V
V
Transient Response
OUT
IN
I
V
V
C
75
L
75
OUT
IN
OUT
OUT
= 1μA TO 20mA
= 1.6V
= 600mV
= 5.5V
= 1mA TO 20mA
100 125 150
100 125 150
= 5V
= 1μF
OUT
3009 G19
3009 G22
500μs/DIV
100
0.1
90
80
70
60
50
40
30
20
10
10
0
1
10
10
Output Noise Spectral Density
Input Ripple Rejection
C
I
LOAD
OUT
3009 G25
= 1μF
= 20mA
100
100
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
1k
V
V
I
LOAD
IN
OUT
10k
= 2V + 50mV
= 600mV
= 20mA
50mV/DIV
20mA/DIV
4.7μF
10k
1μF
100k
V
I
OUT
OUT
RMS
T
3009 G20
5V
3.3V
2.5V
1.8V
1.5V
1V
0.6V
3009 G23
A
Transient Response
= 25°C, unless otherwise noted.
100k
I
V
V
C
1M
OUT
IN
OUT
OUT
= 5.5V
= 1mA TO 20mA
= 5V
= 4.7μF
700
400
300
100
600
500
200
80
70
60
50
40
30
20
10
0
0.001
0
–50 –25
500μs/DIV
RMS Output Noise
vs Load Current
Input Ripple Rejection
V
RIPPLE AT f = 120Hz
I
C
LOAD
IN
OUT
= V
= 10μF
= 20mA
LT3009 Series
0.01
OUT
0
(NOMINAL) + 1V + 0.5V
TEMPERATURE (°C)
25
0.1
I
LOAD
3009 G26
50
(mA)
1
75
100 125 150
600mV
P-P
3.3V
1.8V
10
5V
3009 G21
3009 G24
3009fa
7
100