![](http://datasheet.mmic.net.cn/370000/LD29300V15_datasheet_16704857/LD29300V15_4.png)
LD29300 SERIES
4/17
ELECTRICAL CHARACTERISTICS OF LD29300#15
(I
O
= 10mA, T
J
= 25°C, V
I
= 3.5V, V
INH
= 2V (Note 2), C
I
= 330nF, C
O
= 10
μ
F, unless otherwise specified)
NOTE 1: Guaranteed by design.
NOTE 2: Only for version with Inhibit function.
ELECTRICAL CHARACTERISTICS OF LD29300#18
(I
O
= 10mA, T
J
= 25°C, V
I
= 3.8V, V
INH
= 2V (Note 3), C
I
= 330nF, C
O
= 10
μ
F, unless otherwise specified)
NOTE 1: Guaranteed by design.
NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with V
O
+1V
applied to V
.
NOTE 3: Only for version with Inhibit function.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
I
Minimum Operating Input
Voltage
I
O
= 10mA to 3A
T
J
= -40 to 125°C
I
O
= 10mA to 3A, V
I
= 3 to 7V
T
J
= -40 to 125°C
I
O
= 10mA to 3A
V
I
= 3 to 13V
f = 120 Hz, V
I
= 3.5
±
1V, I
O
= 1.5A
(Note 1)
I
O
= 1.5A,
T
J
= -40 to 125°C
I
O
= 3A,
T
J
= -40 to 125°C
V
I
= 13V, V
INH
= GND
V
I
- V
O
= 5.5V
OFF MODE, (NOTE 2)
ON MODE, (NOTE 2)
T
J
= -40 to 125°C
B
P
= 10Hz to 100KHz
2.5
V
V
O
Output Voltage
1.485
1.47
1.5
1.515
1.53
1.0
0.5
V
V
O
V
O
SVR
Load Regulation
Line Regulation
Supply Voltage Rejection
0.2
0.06
75
%
%
dB
65
I
q
Quiescent Current
20
45
130
4.5
50
100
180
mA
T
J
= -40 to 125°C
μA
A
V
V
μA
I
sc
V
IL
V
IH
I
INH
eN
Short Circuit Current
Control Input Logic Low
Control Input Logic High
Control Input Current
Output Noise Voltage
T
J
= -40 to 125°C
T
J
= -40 to 125°C
V
INH
= 13V
I
O
= 100mA
0.8
2
5
60
10
μV
RMS
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
Output Voltage
I
O
= 10mA to 3A, V
I
= 3 to 7.3V
T
J
= -40 to 125°C
I
O
= 10mA to 3A
V
I
= 3 to 13V
f = 120 Hz, V
I
= 3.8
±
1V, I
O
= 1.5A
(Note 1)
I
O
= 500mA, T
J
= -40 to 125°C (Note 2)
I
O
= 1.5A,
T
J
= -40 to 125°C (Note 2)
I
O
= 3A,
T
J
= -40 to 125°C (Note 2)
I
O
= 1.5A,
T
J
= -40 to 125°C
I
O
= 3A,
T
J
= -40 to 125°C
V
I
= 13V, V
INH
= GND
V
I
- V
O
= 5.5V
OFF MODE, (NOTE 3)
ON MODE, (NOTE 3)
T
J
= -40 to 125°C
B
P
= 10Hz to 100KHz
1.782
1.764
1.8
1.818
1.836
1.0
0.5
V
V
O
V
O
SVR
Load Regulation
Line Regulation
Supply Voltage Rejection
0.2
0.06
72
%
%
dB
62
V
DROP
Dropout Voltage
0.1
0.2
0.4
20
45
130
4.5
V
0.7
50
100
180
I
q
Quiescent Current
mA
T
J
= -40 to 125°C
μA
A
V
V
μA
I
sc
V
IL
V
IH
I
INH
eN
Short Circuit Current
Control Input Logic Low
Control Input Logic High
Control Input Current
Output Noise Voltage
T
J
= -40 to 125°C
T
J
= -40 to 125°C
V
INH
= 13V
I
O
= 100mA
0.8
2
5
60
10
μV
RMS