Datasheet

DocID15470 Rev 5 9/28
LD39050 Electrical characteristics
28
T
J
= 25 °C, V
IN
= V
OUT(NOM)
+ 1 V, C
IN
= C
OUT
= 1 µF, I
OUT
= 10 mA, V
EN
= V
IN
, unless
otherwise specified.
Table 6. Electrical characteristics for the LD39050 (fixed output)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IN
Operating input voltage 1.5 5.5 V
V
OUT
V
OUT
accuracy
V
OUT
>1.5 V, I
OUT
= 10 mA,
T
J
= 25 °C
-2.0 2.0
%
V
OUT
>1.5 V, I
OUT
= 10 mA,
-40 °C<T
J
<125 °C
-3.0 3.0
V
OUT
≤ 1.5 V, I
OUT
= 10 mA ± 20
mV
V
OUT
≤ 1.5 V, I
OUT
= 10 mA,
-40 °C<T
J
<125 °C
± 30
∆V
OUT
Static line regulation
V
OUT
+1 V ≤ V
IN
≤ 5.5 V,
I
OUT
= 1 mA
0.01 %/V
∆V
OUT
Transient line regulation
(1)
∆V
IN
= 500 mV, I
OUT
= 10 mA,
t
R
= 5 µs
10
mVpp
∆V
IN
= 500 mV, I
OUT
= 10 mA,
t
F
= 5 µs
10
∆V
OUT
Static load regulation I
OUT
= 10 mA to 500 mA 0.002 %/mA
∆V
OUT
Transient load regulation
(1)
I
OUT
= 10 mA to 500 mA, t
R
= 5 µs 40
mVpp
I
OUT
= 10 mA to 500 mA, t
F
= 5 µs 40
V
DROP
Dropout voltage
(2)
I
OUT
= 500 mA, V
OUT
> 1.5 V
-40 °C < T
J
< 125 °C
200 400 mV
e
N
Output noise voltage 10 Hz to 100 kHz, I
O
= 100 mA, 30 µV
RMS
SVR
Supply voltage rejection
V
OUT
= 1.5 V
V
IN
= V
OUT(NOM
) + 0.5 V+/-V
RIPPLE
V
RIPPLE
= 0.1 V, freq. = 1 kHz
I
OUT
= 10 mA
65
dB
V
IN
= V
OUT(NOM)
+ 0.5 V+/- V
RIPPLE
V
RIPPLE
= 0.1 V,
frequency =10 kHz
I
OUT
= 100 mA
62
I
Q
Quiescent current
I
OUT
= 0 mA 20
µA
I
OUT
= 0 mA, -40 °C < T
J
< 125 °C 50
I
OUT
= 0 to 500 mA 100
I
OUT
= 0 to 500 mA
-40 °C < T
J
< 125 °C
200
V
IN
input current in OFF mode:
V
EN
= GND
(3)
0.001 1