lt3008ets8-trpbf Linear Technology Corporation, lt3008ets8-trpbf Datasheet - Page 6

• Manufacturer Part Number: lt3008ets8-trpbf
• Description: 3?a Iq, 20ma, 45v Low Dropout Linear Regulato
• Manufacturer: Linear Technology Corporation

LT3008
TYPICAL PERFORMANCE CHARACTERISTICS
6
80
70
60
50
40
30
20
10
0
–50
Input Ripple Rejection
V
RIPPLE AT f = 120Hz
I
LOAD
IN
–25
= V
= 20mA
OUT
0
(NOMINAL) + 2V + 0.5V
TEMPERATURE (°C)
50mV/DIV
20mA/DIV
25
V
500
450
400
350
300
250
150
100
I
200
OUT
OUT
50
0.001
0
50
Transient Response
RMS Output Noise
vs Load Current
C
I
V
V
C
OUT
OUT
IN
OUT
OUT
75
= 5.5V
= 10μF
= 1mA TO 20mA
= 5V
= 10μF
0.01
100 125
P-P
3008 G16
0.1
500μs/DIV
I
LOAD
150
(mA)
1
4.5
3.5
2.5
1.5
0.5
5
4
3
2
1
0
10
–50
3.3V
1.8V
1.2V
0.6V
2.5V
Load Regulation
5V
V
V
3008 G22
1.5V
OUT
IN
3008 G19
I
L
–25
= 1μA to 20mA
= 2V
100
= 600mV
0
TEMPERATURE (°C)
25
50
50mV/DIV
20mA/DIV
50mV/DIV
75
10V/DIV
V
V
100 125
I
OUT
OUT
OUT
V
IN
Transient Response
Transient Response (Load Dump)
I
V
V
C
3008 G17
OUT
T
IN
OUT
OUT
J
= 5.5V
= 25°C, unless otherwise noted.
= 1mA TO 20mA
150
= 5V
= 2.2μF
500μs/DIV
100
0.1
1ms/DIV
10
1
10
Output Noise Spectral Density
C
I
LOAD
OUT
= 2.2μF
V
I
C
= 20mA
OUT
OUT
OUT
100
= 20mA
= 5V
= 4.7μF
FREQUENCY (Hz)
3008 G23
3008 G21
1k
45V
12V
10k
5V
3.3V
2.5V
1.8V
1.5V
1V
0.6V
3008 G18
3008f
100k