Datasheet
DocID6279 Rev 15 9/27
LD2981 Electrical characteristics
27
I
Q
Quiescent current
ON MODE
I
O
= 0 80 100
μA
I
O
= 0, T
J
= -40 to 125°C 150
I
O
= 1 mA 100 150
I
O
= 1 mA, T
J
= -40 to 125°C 200
I
O
= 25 mA 250 400
I
O
= 25 mA, T
J
= -40 to 125°C 800
I
O
= 100 mA 1000 1300
I
O
= 100 mA, T
J
= -40 to 125°C 2600
OFF MODE
V
INH
< 0.3 V 0.8
V
INH
< 0.15 V, T
J
= -40 to 125°C 2
V
DROP
Dropout voltage
(1)
I
O
= 0 1 3
mV
I
O
= 0, T
J
= -40 to 125°C 5
I
O
= 1 mA 7 10
I
O
= 1 mA, T
J
= -40 to 125°C 15
I
O
= 25 mA 70 100
I
O
= 25 mA, T
J
= -40 to 125°C 150
I
O
= 100 mA 180 250
I
O
= 100 mA, T
J
= -40 to 125°C 375
I
SC
Short circuit current R
L
= 0 150 mA
SVR Supply voltage rejection C
O
= 10μF, f = 1KHz 63 dB
V
INH
Inhibit input logic low LOW = Output OFF, T
J
= -40 to 125°C 0.18 V
V
INL
Inhibit input logic high HIGH = Output ON, T
J
= -40 to 125°C 1.6 V
I
INH
Inhibit input current
V
INH
= 0V, T
J
= -40 to 125°C 0 -1
μF
V
INH
= 5V, T
J
= -40 to 125°C 5 15
e
N
Output noise voltage B
W
= 300 Hz to 50 KHz, C
O
= 10μF160μV
RMS
T
SHDN
Thermal shutdown 170 °C
1. For V
O
< 2.5 V dropout voltage can be calculated according to the minimum input voltage in full temperature range.
Table 5. Electrical characteristics for LD2981C (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit