LTC3026 LINER [Linear Technology], LTC3026 Datasheet - Page 4

• Manufacturer Part Number: LTC3026
• Description: 1.5A Low Input Voltage VLDO Linear Regulator
• Manufacturer: LINER [Linear Technology]

LTC3026
4
TYPICAL PERFOR A CE CHARACTERISTICS
1.50
1.25
1.00
0.75
0.50
0.25
404
403
402
401
400
399
398
397
396
200
180
160
140
120
100
80
60
40
20
0
0
–50
1.2
1.0
Dropout Voltage vs Input Voltage
IN Supply Current with Boost
Converter Enabled
ADJ Voltage vs Temperature
V
I
OUT
FB
–25
= 0.38V
1.4
=1.5A
1.5
– 40°C
25°C
85°C
1.6
0
TEMPERATURE (°C)
2.0
1.8
25
V
V
IN
IN
(V)
(V)
2.0
50
2.5
75
2.2
V
V
V
BST
IN
OUT
W
3.0
= 1.5V
100
– 40°C
125°C
2.4
= 5V
25°C
85°C
=1.2V
1.5A
1mA
3026 G04
3026 G07
3026 G01
125
U
3.5
2.6
200
150
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
60
50
40
30
20
10
50
0
0
0
–50
1.2
1.0
BST Supply Current with Boost
Converter Disabled
IN Shutdown Current
Ripple Rejection
1.5 2.0 2.5
1.4
–25
2.5V
1.6
0
TEMPERATURE (°C)
1.8
25
3.0
V
V
IN
IN
100kHz
10kHz
1MHz
(V)
(V)
3.5
2.0
50
4.0 4.5 5.0
V
V
I
C
2.2
OUT
75
BST
OUT
OUT
3.5V
V
1.2V
BST
= 800mA
= 5V
=1.2V
= 10µF
– 40°C
125°C
100
2.4
25°C
85°C
= 5V
3026 G05
3026 G08
3026 G02
5.5
125
2.6
5.050
5.025
5.000
4.975
4.950
200
150
100
50
70
60
50
40
30
20
10
0
0
–50
100
1.0
Ripple Rejection
IN Supply Current with Boost
Converter Disabled
BST Voltage vs Temperature
V
IN
1.5 2.0 2.5
–25
= 1.5V
1000
0
TEMPERATURE (°C)
FREQUENCY (Hz)
10000
25
3.0
V
IN
(V)
3.5
100000
50
4.0 4.5 5.0
V
V
V
I
C
75
OUT
BST
IN
OUT
OUT
1000000 1E+07
V
BST
= 1.5V
= 800mA
= 5V
=1.2V
= 10µF
– 40°C
125°C
100
25°C
85°C
= 5V
3026 G06
3026 G03
3026 G09
3026f
125
5.5