ltc3025-2 Linear Technology Corporation, ltc3025-2 Datasheet - Page 6

• Manufacturer Part Number: ltc3025-2
• Description: 500ma Micropower Vldo Linear Regulators Features
• Manufacturer: Linear Technology Corporation

LTC3025-1/LTC3025-2/
LTC3025-3/LTC3025-4
Typical perForMance characTerisTics

I
OUT
10mV/DIV
250mA
70
60
50
40
30
20
10
10mA
0
V
100
OUT
V
vs Frequency
AC
IN
V
V
V
I
OUT
BIAS
IN
OUT
Transient Response
V
V
V
C
Ripple Rejection
= 1.5V
IN
OUT
BIAS
OUT
= 100mA
= 1.2V
= 3.6V
= 1.5V
1k
= 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
0.725
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
100
0
BIAS Ripple Rejection
vs Frequency
V
V
V
I
1
OUT
V
vs V
BIAS
IN
OUT
BIAS = 2.7V
BIAS = 3V
IN
= 1.5V
= 100mA
= 1.2V
1.5
= 3.6V
to V
IN
1k
(25°C) LTC3025-1
OUT
FREQUENCY (Hz)
2
10k
Dropout Voltage
2.5
V
IN
100k
(V)
3
C
BIAS = 3.8V
OUT
C
BIAS = 3.3V
OUT
= 1µF
BIAS = 5V
I
3.5
OUT
V
1M
ADJ
= 10µF
T
30251234 G11
= 500mA
A
= 0.385
30251234 G14
= 25°C
4
(T
A
10M
= 25°C unless otherwise noted)
4.5
0.300
0.725
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
3MHz V
1
V
V
V
vs V
BIAS
OUT
IN
1.4
1.5
BIAS = 2.7V
to V
= 1.2V
= 3.6V
IN
(90°C) LTC3025-1
IN
OUT
1.6
BIAS = 3V
2
Supply Rejection
Dropout Voltage
1.8
BIAS = 3.3V
2.5
V
C
C
V
IN
OUT
IN
OUT
(V)
2.0
(V)
BIAS = 3.8V
= 10µF
= 1µF
3
I
I
2.2
OUT
OUT
I
3.5
OUT
V
ADJ
BIAS = 5V
= 100mA
= 300mA
T
= 500mA
A
30251234 G12
2.4
= 0.385
30251234fe
30251234 G15
= 90°C
4
2.6
4.5