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ST1S10PUR データシート(PDF) 4 Page - STMicroelectronics

部品番号 ST1S10PUR
部品情報  3 A, 900 kHz, monolithic synchronous step-down regulator
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1S10PUR データシート(HTML) 4 Page - STMicroelectronics

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Pin configuration
ST1S10
4/26
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
1VIN_A
Analog input supply voltage to be tied to VIN supply source
2
INH (EN)
Inhibit pin active low. Connect to VIN_A if not used
3VFB
Feedback voltage for connection to external voltage divider to set the VOUT
from 0.8V up to 0.85*VIN_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)
6VIN_SW
Power input supply voltage to be tied to VIN 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


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