LT1129IQ Linear Technology, LT1129IQ Datasheet - Page 6

• Manufacturer Part Number: LT1129IQ
• Description: IC LDO REG ADJ W/SHTDWN DDPAK-5
• Manufacturer: Linear Technology

Specifications of LT1129IQ

• Regulator Topology: Positive Adjustable
• Voltage - Output: 3.8 ~ 30 V
• Voltage - Input: 4.15 ~ 30 V
• Voltage - Dropout (typical): 0.45V @ 700mA
• Number Of Regulators: 1
• Current - Output: 700mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-5, D²Pak (5 leads + Tab), TO-263BA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -

LT1129/LT1129-3.3/LT1129-5
TYPICAL PERFORMANCE CHARACTERISTICS
6
3.400
3.375
3.350
3.325
3.300
3.275
3.250
3.225
3.200
250
225
200
175
150
125
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
75
50
25
0
0
–50
0
0
LT1129-3.3
Quiescent Current
LT1129-3.3
Output Voltage
LT1129-3.3
Ground Pin Current
T
V
V
I
J
OUT
SENSE
LOAD
1
1
–25
= 25°C
=
= 1mA
2
2
*FOR V
0
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
3
INPUT VOLTAGE (V)
V
SHDN
4
4
OUT
25
= OPEN (HI)
V
SHDN
5
5
= 3.3V
50
= 0V
6
6
I
I
I
LOAD
R
LOAD
LOAD
R
R
LOAD
LOAD
7
75
LOAD
7
I
R
LOAD
LOAD
= 100mA*
= 10mA*
= 50mA*
= 330Ω
8
8
= 66Ω
= 33Ω
100
112935 G04
112935 G07
112935 G10
= 0
=
9
9
∞
125
10
10
5.100
5.075
5.050
5.025
5.000
4.975
4.950
4.925
4.900
250
225
200
175
150
125
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
75
50
25
0
0
–50
0
0
LT1129-5
Quiescent Current
LT1129-5
Output Voltage
LT1129-5
Ground Pin Current
T
V
I
LOAD
J
OUT
1
1
= 25°C
–25
= V
= 1mA
2
2
SENSE
*FOR V
0
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
4
4
OUT
25
V
V
SHDN
SHDN
5
5
= 5V
50
= 0V
6
6
= OPEN (HI)
I
LOAD
I
I
R
R
R
LOAD
LOAD
LOAD
7
LOAD
LOAD
7
75
I
R
LOAD
LOAD
= 100mA*
= 50mA*
= 10mA*
8
8
= 100Ω
= 50Ω
= 500Ω
100
= 0
112935 G11
112935 G05
112935 G08
=
9
9
∞
125
10
10
3.850
3.825
3.800
3.775
3.750
3.725
3.700
3.675
3.650
250
225
200
175
150
125
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
75
50
25
0
0
–50
0
0
LT1129
Ground Pin Current
LT1129
Quiescent Current
LT1129
Adjust Pin Voltage
T
V
V
I
LOAD
J
OUT
ADJ
1
1
–25
= 25°C
=
= 1mA
2
2
*FOR V
0
3
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
V
SHDN
OUT
4
4
25
V
= 3.75V
SHDN
= OPEN (HI)
5
5
50
6
= 0V
6
I
I
LOAD
R
I
LOAD
R
LOAD
R
LOAD
LOAD
7
7
75
LOAD
I
R
V
LOAD
OUT
LOAD
= 100mA*
= 10mA*
= 50mA*
= 375Ω
8
8
= 38Ω
= 75Ω
= V
100
= 0
=
112935 G09
112935 G12
112935 G06
112935ff
∞
ADJ
9
9
125
10
10