Datasheet

Pin configuration LD39080
4/20
2 Pin configuration
Figure 2. Pin connections (top view for DPAK and PPAK, bottom view for DFN8)
DFN8 (4x4 mm)
DPAK
PPAK
Table 1. Pin description
Pln N°
Symbol Note
DFN PPAK DPAK
85
V
SENSE
/N.C.
For fixed versions: to be connected with LDO Output Voltage pins for DFN
package and Not Connected on PPAK
ADJ For adjustable version: Error Amplifier Input pin for V
O
from 1.22 to 5.0V
3, 4 2 1 V
I
LDO Input Voltage; V
I
from 2.5V to 6V, C
I
=1µF must be located at a
distance of not more than 0.5’’ from input pin.
6, 7 4 3 V
O
LDO Output Voltage pins, with minimum C
O
=2.2µF needed for stability
(also refer to C
O
vs. ESR stability chart)
21 V
INH
Inhibit Input Voltage: ON MODE when V
INH
≥ 2V, OFF MODE when V
INH
≤
0.3V (Do not leave floating, not internally pulled down/up)
1 3 2 GND Common ground
5 N.C. Not Connected