Datasheet

Table 7. LDK220 electrical characteristics for adjustable version. 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.
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IN
Operating input voltage 2.5 13.2 V
V
ADJ
Adjustable voltage
T
J
= 25 °C
1.185 V
Adjustable voltage
accuracy
T
J
= 25 °C
-2 +2
%
40 °C < T
J
< 125 °C
-3 +3
ΔV
OUT
Static line regulation
V
OUT
+1 V ≤ V
IN
≤ 13.2 V I
OUT
=1 mA
0.001 0.05 %/V
ΔV
OUT
Static load regulation
I
OUT
= 1 mA to 200 mA
0.0002 0.003 %/mA
V
DROP
Dropout voltage
(1)
I
OUT
= 100 mA, V
OUT
= 3.3 V
100
I
OUT
= 200 mA, V
OUT
= 3.3 V
40 °C < T
J
< 125 °C
200 350 mV
e
N
Output noise voltage
10 Hz to 100 kHz, I
OUT
= 10 mA
100
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
frequency = 120 Hz to1 kHz, I
OUT
= 10 mA
60
dB
V
RIPPLE
= 0.1 V V
IN
= V
OUTNOM
+0.5 V+/-
V
RIPPLE
frequency = 10 kHz, I
OUT
= 10 mA
45
I
Q
Quiescent current
V
OUT
+1 V ≤ V
IN
≤ 13.2 V I
OUT
= 0 mA, -40
°C < T
J
< 125 °C
55 90
µA
V
OUT
+1 V ≤ V
IN
≤ 13.2 V I
OUT
= 200
mA,-40 °C < T
J
< 125 °C
(2)
60 100
V
IN
input current in off mode: V
EN
=
GND,T
J
= 25 °C
0.1 1
I
SC
Short-circuit current
(2)
R
L
= 0
400 mA
V
EN
Enable input logic low
V
IN
= 2.5 V to 13.2 V -40 °C < T
J
< 125 °C
0.4
V
Enable input logic high
V
IN
= 2.5 V to 13.2 V -40 °C < T
J
< 125 °C
1.2
I
EN
Enable pin input current
V
EN
= V
IN
0.1 100 nA
T
SHDN
Thermal shutdown 160
°C
Hysteresis 20
C
OUT
Output capacitor
Capacitance (see Section 6 Typical
characteristics)
1 22 µF
1. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.
2. The maximum current has to be limited according to the maximum power dissipation.
LDK220
Electrical characteristics
DS10219 - Rev 5
page 7/27