ltc3025-2 Linear Technology Corporation, ltc3025-2 Datasheet - Page 5

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

Typical perForMance characTerisTics
1000
120
100
900
800
700
600
500
400
300
200
100
80
60
40
20
14
12
10
0
8
6
2
0
4
0
0.5
–50
V
vs I
0
V
SHDN Threshold vs Temperature
V
V
V
V
IN
IN
BIAS
IN
BIAS
OUT
50
OUT
= 1.4V
to V
No Load Operating Current
–25
= 2.8V
= 0.8V
= 5V
100
1.5
OUT
150
V
0
BIAS
TEMPERATURE (°C)
Dropout Voltage
200
2.5
I
= 2.5V
T
OUT
25
125°C
25°C
V
A
85°C
250
IN
= 25°C
(mA)
(V)
V
50
300
T
BIAS
3.5
A
= 125°C
–40°C
350
= 5V
75
T
A
400
4.5
= –40°C
30251234 G01
30251234 G04
100
30251234 G07
450
500
125
5.5
1600
1400
1200
1000
200
800
500
450
400
350
300
250
150
100
600
400
200
50
0
0
0.01
7
6
5
4
3
2
1
0
0.5
Operating BIAS Current
vs Output Current
0
V
Current Limit vs V
IN
V
BIAS
Shutdown Current
85°C
1
= 5V
0.1
1.5
2
2.5
1
I
OUT
V
V
IN
IN
3
(mA)
(V)
IN
(V)
25°C
10
3.5
Voltage
25°C
–40°C
4
125°C
100
4.5
30251234 G02
5
30251234 G08
LTC3025-1/LTC3025-2/
30251234 G05
–40°C
(T
LTC3025-3/LTC3025-4
A
1000
= 25°C unless otherwise noted)
5.5
6
100mV/DIV
10mV/DIV
V
405
404
403
402
401
400
399
398
397
396
395
OUT
V
AC
AC
80
70
60
50
40
30
20
10
IN
0
2.5
–50
BIAS No Load Operating Current
Adjust Voltage vs Temperature
Burst Mode DC/DC Buck Ripple
Rejection
V
V
C
I
V
V
OUT
V
V
I
IN
OUT
OUT
IN
OUT
OUT
BIAS
IN
= 1.8V
= 1.5V
–25
= 50mA
= 1.5V
= 1.5V
= 1µF
= 1.2V
= 10µA
3
= 3.6V
0
TEMPERATURE (°C)
3.5
125°C
–40°C
V
25
10µs/DIV
BIAS
4
(V)
50
4.5
25°C
75
30251234fe
5
30251234 G03
100
30251234 G06
30251234 G09

5.5
125