Datasheet

Electrical characteristics LD2981
8/27 DocID6279 Rev 15
(T
J
= 25 °C, V
I
= V
O(NOM)
+1 V, C
I
= 1 μF, C
O
= 2.2 μF, I
O
= 1 mA, V
INH
= 2 V, unless
otherwise specified)
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
μA
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 4. Electrical characteristics for LD2981AB (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit
Table 5. Electrical characteristics for LD2981C
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
OP
Operating input voltage 2.5 16 V
V
O
Output voltage
I
O
= 1 mA 2.468 2.5 2.531
VI
O
= 1 to 100 mA 2.45 2.55
I
O
= 1 to 100 mA, T
J
= -40 to 125°C 2.412 2.587
V
O
Output voltage
I
O
= 1 mA 2.962 3 3.037
VI
O
= 1 to 100 mA 2.94 3.06
I
O
= 1 to 100 mA, T
J
= -40 to 125°C 2.895 3.105
V
O
Output voltage
I
O
= 1 mA 3.258 3.3 3.341
VI
O
= 1 to 100 mA 3.234 3.366
I
O
= 1 to 100 mA, T
J
= -40 to 125°C 3.184 3.415
V
O
Output voltage
I
O
= 1 mA 4.937 5 5.062
VI
O
= 1 to 100 mA 4.9 5.1
I
O
= 1 to 100 mA, T
J
= -40 to 125°C 4.825 5.175
ΔV
O
Line regulation
V
O(NOM)
+ 1 < V
IN
< 16 V, I
O
= 1 mA 0.003 0.014
%/V
T
J
= -40 to 125°C 0.032