Datasheet

Table Of Contents
Pin configuration ST1S10
6/29 Doc ID 13844 Rev 5
2 Pin configuration
Figure 2. Pin connections (top view for PowerSO-8, bottom view for DFN8)
PowerSO-8
DFN8 (4x4)
Table 2. Pin description
Pin n° Symbol Name and function
1V
IN_A
Analog input supply voltage to be tied to V
IN
supply source
2 INH (EN) Inhibit pin active low. Connect to V
IN_A
if not used
3V
FB
Feedback voltage for connection to external voltage divider to set the V
OUT
from 0.8V up to 0.85*V
IN_SW
. (see output voltage selection paragraph 5.5)
4 AGND Analog ground
5 SYNC
Synchronization and frequency select. Connect SYNC to GND for 900 kHz
operation, or to an external clock from 400 kHz to 1.2 MHz. (see Sync
operation paragraph 5.8.1)
6V
IN_SW
Power input supply voltage to be tied to V
IN
power supply source
7 SW Switching node to be connected to the inductor
8 PGND Power ground
epad epad Exposed pad to be connected to ground