LT1118 Linear Technology, LT1118 Datasheet - Page 4

• Manufacturer Part Number: LT1118
• Description: Low IQ/ Low Dropout/ 800mA/ Source and Sink Regulators Adjustable and Fixed 2.5V/ 2.85V/ 5V Output
• Manufacturer: Linear Technology

LT1118/LT1118-2.5
LT1118-2.85/LT1118-5
TYPICAL PERFORMANCE CHARACTERISTICS
4
0.001
0.01
1.4
1.2
0.8
0.6
0.4
0.2
0.1
10
1
0
1
10
0
Output Impedance vs Frequency
Dropout Voltage vs Output Current
2
10mA SOURCE
100mA SOURCE
T
J
= 25 C
2000
1750
1500
1250
1000
10
200
750
500
250
OUTPUT CURRENT (mA)
NO CURRENT
3
10mA SINK
0
Input Current vs
Output Sink Current
0
FREQUENCY (Hz)
50
100mA SINK
10
400
OUTPUT SINK CURRENT (mA)
4
T
100
J
= 75 C
150
T
W
J
600
10
= 125 C
5
200
1118 G01
1118 G04
U
250
10
800
6
300
350
1118 G07
450
400
350
300
250
200
150
100
50
80
60
40
20
400
0
0
–55 –35 –15
10
Feedback Current vs Temperature
Ripple Rejection vs Frequency
SOURCING CURRENT
100
FREQUENCY (Hz)
5
25
TEMP
1k
45
65
NO LOAD
800mA
10k
85 105 125
10mA
1118 G05
1118 G02
800
700
600
500
400
300
200
100
0
100k
Ground Pin Current vs
Output Source Current
0
OUTPUT SOURCING CURRENT (mA)
200
80
60
40
20
80
60
40
20
0
0
–400
10
Ripple Rejection vs Frequency
Ripple Rejection vs Load Current
C
SINKING CURRENT
IN
–200
400
= C
LOAD
100
LOAD CURRENT (mA)
FREQUENCY (Hz)
= 1 F
0
600
1k
200
1118 G08
800
400
NO LOAD
400mA
10k
600
10mA
1118 G03
1118 G06
100k
800