Datasheet

Electrical characteristics LDK120
8/25 DocID023965 Rev 3
T
J
= 25 °C, V
IN
= V
OUT(NOM)
+ 1 V, C
IN
= C
OUT
= 1 µF, I
OUT
= 1 mA, V
EN
= V
IN
, unless
otherwise specified.
Table 5. Electrical characteristics for LDK120
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IN
Operating input voltage 1.9 5.5 V
V
ADJ
V
ADJ
accuracy
I
OUT
=1 mA, T
J
=25 °C 784 800 816 mV
I
OUT
=1 mA, -40 °C<T
J
<125 °C -3.0 3.0 %
ΔV
OUT
Static line regulation V
OUT
+1 V ≤ V
IN
≤ 5.5 V, I
OUT
=1 mA 0.05 %/V
ΔV
OUT
Static load regulation I
OUT
=1 mA to 200 mA 0.006 %/mA
V
DROP
Dropout voltage
(1)
I
OUT
=100 mA, V
OUT
=2.5 V 100
mV
I
OUT
= 200 mA, V
OUT
=2.5 V
40 °C<T
J
<125 °C,
150 300
e
N
Output noise voltage 10 Hz to 100 kHz, I
OUT
=10 mA 130
µV
RMS
/V
I
ADJ
Adjust pin current 1 µA
SVR
Supply voltage
rejection
V
IN
=V
OUTNOM
+0.5 V+/-V
RIPPLE
V
RIPPLE
=0.1 V Freq.=120 Hz to 10
kHz I
OUT
=10 mA
55 dB
I
Q
Quiescent current
I
OUT
=0 mA, -40 °C<T
J
<125 °C 30 60
µA
I
OUT
=200 mA, -40 °C<T
J
<125 °C 50 100
V
IN
input current in OFF mode:
V
EN
=GND
1
I
SC
Short-circuit current R
L
=0 400 mA
V
EN
Enable input logic low V
IN
=1.9 V to 5.5 V, -40 °C<T
J
<125 °C 0.4
V
Enable input logic high V
IN
=1.9 V to 5.5 V, -40 °C<T
J
<125 °C 1.2
I
EN
Enable pin input current V
SHDN
=V
IN
100 nA
T
SHDN
Thermal shutdown 160
°C
Hysteresis 20
C
OUT
Output capacitor
Capacitance (see Section 6: Typical
performance characteristics)
122µF
1. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.