lt1129cst-5-pbf Linear Technology Corporation, lt1129cst-5-pbf Datasheet - Page 3

• Manufacturer Part Number: lt1129cst-5-pbf
• Description: 700ma Micropower Low Dropout Regulator With Shutdown
• Manufacturer: Linear Technology Corporation

temperature range, otherwise specifications are at T
PARAMETER
Regulated Output Voltage
(Notes 4, 12)
Line Regulation (Note 12)
Load Regulation (Note 12)
Dropout Voltage
(Note 6)
Ground Pin Current
(Note 7)
Adjust Pin Bias Current (Notes 5, 8)
Shutdown Threshold
Shutdown Pin Current (Note 9)
Quiescent Current in Shutdown
(Note 10)
Ripple Rejection
Current Limit
Input Reverse Leakage Current
Reverse Output Current (Note 11)
ELECTRICAL CHARACTERISTICS
CONDITIONS
LT1129-3.3
LT1129-5
LT1129 (Note 5)
LT1129-3.3
LT1129-5
LT1129 (Note 5)
LT1129-3.3
LT1129-5
LT1129 (Note 5)
I
I
I
I
I
I
I
I
I
I
I
I
I
I
T
V
V
V
V
V
f
V
V
LT1129-3.3
LT1129-5
LT1129 (Note 5)
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
RIPPLE
J
OUT
OUT
SHDN
IN
IN
IN
IN
= 25°C
= 6V, V
– V
– V
= –20V, V
= Off to On
= On to Off
= 10mA, T
= 10mA
= 100mA, T
= 100mA
= 500mA, T
= 500mA
= 700mA, T
= 700mA
= 0mA
= 10mA
= 100mA
= 300mA
= 500mA
= 700mA
= 0V
OUT
OUT
= 120Hz, I
SHDN
= 1V (Avg), V
= 7V, T
OUT
J
= 0V
J
J
J
LOAD
= 25°C
= 0V
J
= 25°C
= 25°C
= 25°C
= 25°C
A
V
4.3V < V
V
6V < V
V
4.8V < V
ΔV
ΔV
ΔV
ΔI
ΔI
ΔI
ΔI
ΔI
ΔI
V
V
V
= 0.7A, T
= 25°C.
IN
IN
IN
OUT
OUT
OUT
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
RIPPLE
IN
IN
IN
= 3.8V, I
= 5.5V, I
= 4.3V, I
= 4.8V to 20V, I
= 5.5V to 20V, I
= 4.3V to 20V, I
= 3.3V, V
= 5V, V
= 3.8V, V
The
IN
= 1mA to 700mA, T
= 1mA to 700mA
= 1mA to 700mA, T
= 1mA to 700mA
= 1mA to 700mA, T
= 1mA to 700mA
IN
IN
< 20V, 1mA < I
= 0.5V
J
< 20V, 1mA < I
< 20V, 1mA < I
●
= 25°C
OUT
OUT
OUT
IN
denotes the specifications which apply over the full operating
IN
IN
= 0V
P-P
= 1mA, T
= 1mA, T
= 1mA, T
= 0V
= 0V
,
OUT
OUT
OUT
OUT
J
J
J
= 1mA
= 1mA
= 1mA
OUT
OUT
LT1129/LT1129-3.3/LT1129-5
= 25°C
= 25°C
= 25°C
J
J
J
< 700mA
= 25°C
= 25°C
= 25°C
< 700mA
< 700mA
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
3.250
3.200
4.925
4.850
3.695
3.640
MIN
0.25
52
3.300
3.300
5.000
5.000
3.750
3.750
0.13
0.25
0.37
0.45
TYP
310
150
1.5
1.5
1.5
2.0
1.2
0.75
1.2
15
20
15
50
10
25
50
15
64
16
16
16
6
6
6
6
3.350
3.400
5.075
5.150
3.805
3.860
MAX
0.20
0.25
0.35
0.45
0.45
0.60
0.55
0.70
450
300
3.5
2.8
1.6
1.0
10
10
10
20
30
20
30
20
30
70
20
45
90
10
25
25
25
25
112935fd
UNITS
3
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
μA
μA
nA
μA
μA
dB
μA
μA
μA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A