LTC3025-1_1 LINER [Linear Technology], LTC3025-1_1 Datasheet - Page 6

• Manufacturer Part Number: LTC3025-1_1
• Description: 500mA Micropower VLDO Linear Regulators Fast Transient Recovery
• Manufacturer: LINER [Linear Technology]

I
LTC3025-1/LTC3025-2/
LTC3025-3/LTC3025-4
Typical perForMance characTerisTics
6
OUT
10mV/DIV
70
60
50
40
30
10
20
250mA
0
100
10mA
V
V
vs Frequency
OUT
AC
V
V
V
I
OUT
IN
BIAS
IN
OUT
Transient Response
V
V
V
C
Ripple Rejection
= 1.5V
= 100mA
IN
OUT
BIAS
OUT
= 1.2V
= 3.6V
1k
= 1.5V
= 1.2V
= 1µF
= 3.6V
FREQUENCY (Hz)
10k
100µs/DIV
C
OUT
100k
= 1µF
C
OUT
1M
= 10µF
30251234 G10
30251234 G13
10M
0.300
0.275
0.250
0.225
0.200
0.175
0.150
0.125
0.100
0.075
0.050
0.025
70
60
50
40
30
20
10
0
0
100
1
BIAS Ripple Rejection
vs Frequency
V
vs V
V
V
V
I
BIAS = 2.7V
OUT
BIAS = 3V
IN
BIAS
IN
OUT
= 1.5V
1.5
to V
IN
= 100mA
= 1.2V
= 3.6V
1k
(25°C) LTC3025-1
OUT
2
FREQUENCY (Hz)
Dropout Voltage
10k
2.5
V
IN
(V)
100k
3
BIAS = 3.8V
C
OUT
BIAS = 3.3V
C
BIAS = 5V
I
3.5
OUT
OUT
V
= 1µF
ADJ
1M
T
= 10µF
= 500mA
A
30251234 G11
= 0.385
30251234 G14
= 25°C
4
(T
A
10M
4.5
= 25°C unless otherwise noted)
0.300
0.275
0.250
0.225
0.200
0.175
0.150
0.125
0.100
0.075
0.050
0.025
50
45
40
35
30
25
20
15
10
5
0
0
1.2
1
V
vs V
3MHz V
V
V
BIAS
OUT
IN
1.4
to V
1.5
IN
BIAS = 2.7V
= 1.2V
= 3.6V
(90°C) LTC3025-1
IN
OUT
BIAS = 3V
1.6
2
Supply Rejection
Dropout Voltage
1.8
BIAS = 3.3V
2.5
V
C
V
C
IN
OUT
IN
OUT
(V)
(V)
2.0
BIAS = 3.8V
= 10µF
3
= 1µF
2.2
I
I
I
3.5
OUT
OUT
OUT
V
ADJ
BIAS = 5V
T
= 100mA
= 300mA
= 500mA
A
30251234ff
30251234 G12
2.4
= 0.385
30251234 G15
= 90°C
4
2.6
4.5