Datasheet

DI78LxxDAB
Characteristics
1
) Kennwerte
1, 2
)
DI78L20DAB Min. Typ. Max.
Output voltage – Ausgangsspannung V
Out
19.2 V 20.0 V 20.8 V
Output voltage – Ausgangsspannung
I
Out
= 1.0 to 40 mΑ, V
IN
= 24 to 33 V
I
Out
= 1.0 to 70 mΑ, V
IN
= 29 V
V
Out
19 V
19 V
-
-
21 V
21 V
Line Regulation – Betriebsspannungsdurchgriff
V
IN
= 22.5 to 34 V
V
IN
= 24 to 34 V
∆ V
OUT
- -
330 mV
280 mV
Load Regulation – Lastregelung
I
Out
= 1.0 to 100 mΑ
I
Out
= 1.0 to 40 mΑ
∆ V
OUT
- - 180 mV
90 mV
Quiescent current – Ruhestrom
T
j
= 25°C
T
j
= 125°C
I
Q
-
- 6.5 mA
6.0 mA
Quiescent current Change – Ruhestromänderung
I
Out
= 1.0 to 40 mΑ
V
IN
= 25 to 33 V
∆ I
Q
- -
0.2 mA
1.5 mA
Ripple Rejection – Störspannungsunterdrückung
I
Out
= 40 mΑ, V
IN
= 25 to 33 V , F = 120 Hz V
RR
32 dB 38 dB -
Output Noise Voltage – Ausgangs-Rauschspannung
10Hz ≤ B ≤ 100kHz - 120 µV -
Dropout voltage - Spannungsabfall V
D
- 1.7 V -
Typical thermal resistance junction to case
Typischer Wärmewiderstand Sperrschicht – Gehäuse
R
thC
20 K/W
2
)
1 T
j
= 25°C and V
IN
= 29 V, I
O
= 40 mA, C
I
= 0.33µF, C
O
= 0.1µF, unless otherwise specified
T
j
= 25°C and V
IN
= 29 V, I
O
= 40 mA, C
I
= 0.33µF, C
O
= 0.1µF, wenn nicht anders angegeben
2 Mounted on P.C. board with 3 mm
2
copper pad at each terminal
Montage auf Leiterplatte mit 3 mm
2
Kupferbelag (Lötpad) an jedem Anschluss
© Diotec Semiconductor AG http://www.diotec.com/ 11