Datasheet

Electrical characteristics LD39050xx
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4 Electrical characteristics
T
J
= 25 °C, V
IN
= 1.8 V, C
IN
= C
OUT
= 1 µF, I
OUT
= 10 mA, V
EN
= V
IN
, unless otherwise
specified.
Table 6. Electrical characteristics for the LD39050PU
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IN
Operating input voltage 1.5 5.5 V
V
ADJ
V
ADJ
accuracy
I
OUT
=10 mA, T
J
= 25°C 784 800 816
mV
I
OUT
= 10 mA, -40°C<T
J
<125°C 776 800 824
I
ADJ
Adjust pin current 1µA
ΔV
OUT
Static line regulation
V
OUT
+1 V ≤ V
IN
≤ 5.5 V,
I
OUT
= 1 mA
0.01 %/V
ΔV
OUT
Transient line regulation
(1)
ΔV
IN
=500 mV, I
OUT
=10 mA, t
R
=5
µs
10
mVpp
ΔV
IN
=500 mV, I
OUT
=10 mA, t
F
=5 µs 10
ΔV
OUT
Static load regulation I
OUT
= 10 mA to 500 mA 0.002 %/mA
ΔV
OUT
Transient load regulation
(1)
I
OUT
= 10 mA to 500 mA, t
R
=5µs 40
mVpp
I
OUT
= 10 mA to 500 mA, t
F
=5µs 40
V
DROP
Dropout voltage
(2)
I
O
= 500mA, V
OUT
fixed to 1.5V
40°C<T
J
<125°C
200 400 mV
e
N
Output noise voltage
10Hz to 100kHz, I
OUT
= 100 mA,
V
OUT
= 0.8 V
30 µV
RMS
SVR
Supply voltage rejection
V
OUT
= 0.8V
V
IN
= 1.8V+/-V
RIPPLE
V
RIPPLE
= 0.25V, freq. = 1kHz
I
OUT
= 10 mA
65
dB
V
IN
= 1.8V+/-V
RIPPLE
V
RIPPLE
= 0.25V, freq.=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 500mA 100
I
OUT
=0 to 500mA, -
40°C<T
J
<125°C
200
V
IN
input current in off mode:
V
EN
= GND
(3)
0.001 1
PG
Power Good output threshold
Rising edge
0.92*
V
OUT
V
Falling edge
0.8*
V
OUT
Power Good output voltage low Isink=6mA open drain output 0.4 V
I
SC
Short-circuit current R
L
=0 600 800 mA