LT1129IQ-5#PBF Linear Technology, LT1129IQ-5#PBF Datasheet - Page 7

IC LDO W/SHTDN 5V 700MA DDPAK-5

LT1129IQ-5#PBF

Manufacturer Part Number
LT1129IQ-5#PBF
Description
IC LDO W/SHTDN 5V 700MA DDPAK-5
Manufacturer
Linear Technology
Datasheet

Specifications of LT1129IQ-5#PBF

Regulator Topology
Positive Fixed
Voltage - Output
5V
Voltage - Input
Up to 30V
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
Primary Input Voltage
20V
Output Voltage Fixed
5V
Dropout Voltage Vdo
400mV
No. Of Pins
5
Output Current
700mA
Operating Temperature Range
-40°C To +125°C
Msl
MSL 1 - Unlimited
Rohs Compliant
Yes
Voltage Regulator Type
Linear
Topology
LDO
Regulator Output Type
Fixed
Polarity Type
Positive
Number Of Outputs
Single
Input Voltage (min)
4.15V
Input Voltage (max)
30V
Output Voltage
5V
Package Type
DDPAK
Load Regulation
20mV
Line Regulation
10mV
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Dropout Voltage@current (max)
0.2@10mA/0.35@100mA
Dropout Voltage@current (typ)
0.13@10mA/0.25@100mA
Pin Count
5 +Tab
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Compliant

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TYPICAL PERFORMANCE CHARACTERISTICS
60
50
40
30
20
10
70
60
50
40
30
20
10
10
0
0
9
8
7
6
5
4
3
2
1
0
–50
0
0
LT1129-3.3
Ground Pin Current
Ground Pin Current
Shutdown Pin Current
T
V
V
V
V
DEVICE IS OPERATING
IN DROPOUT
V
J
OUT
IN
IN
IN
SHDN
1
= 25°C
0.1
–25
= 3.3V (LT1129-3.3)
= 5V (LT1129-5)
= 3.75V (LT1129)
= V
2
= 0V
SENSE
0.2
OUTPUT CURRENT (A)
0
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
*FOR V
4
0.3
25
OUT
T
5
J
0.4
= 25°C
50
= 3.3V
6
I
T
I
T
I
LOAD
LOAD
LOAD
R
J
J
R
R
0.5
LOAD
7
= –50°C
LOAD
= 125°C
75
LOAD
= 700mA*
= 500mA*
= 300mA*
8
= 4.7Ω
= 6.6Ω
= 11Ω
0.6
100
112935 G13
112935 G16
112935 G19
9
0.7
125
10
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
60
50
40
30
20
10
25
20
15
10
0
0
0
5
–50
0
LT1129-5
Ground Pin Current
Shutdown Pin Threshold
(On-to-Off)
0
Shutdown Pin Input Current
T
V
I
LOAD
J
OUT
1
= 25°C
–25
1
= V
= 1mA
SHUTDOWN PIN VOLTAGE (V)
2
2
SENSE
0
3
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3
*FOR V
4
25
4
5
LT1129/LT1129-3.3/LT1129-5
OUT
50
5
= 5V
6
I
I
I
LOAD
R
LOAD
LOAD
6
R
R
LOAD
7
75
LOAD
LOAD
= 700mA*
= 500mA*
= 300mA*
7
8
= 16.6Ω
= 7.1Ω
= 10Ω
100
112935 G14
112935 G17
112935 G20
8
9
125
10
9
400
350
300
250
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
60
50
40
30
20
10
50
0
0
0
–50
–50
0
LT1129
Ground Pin Current
Shutdown Pin Threshold
(Off-to-On)
Adjust Pin Bias Current
T
V
V
J
OUT
ADJ
1
= 25°C
–25
–25
= V
= V
2
ADJ
OUT
0
*FOR V
0
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
= 3.75V
4
25
25
OUT
5
= 3.75V
50
50
6
I
I
LOAD
LOAD
I
I
I
LOAD
LOAD
R
LOAD
R
R
LOAD
LOAD
LOAD
7
75
75
= 700mA
= 1mA
= 700mA*
= 500mA*
= 300mA*
8
= 12.6Ω
= 5.3Ω
= 7.5Ω
100
100
112935 G15
112935 G21
112935 G18
112935ff
9
7
125
10
125

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