ST1S03 STMicroelectronics, ST1S03 Datasheet - Page 4

• Manufacturer Part Number: ST1S03
• Description: 1.5 A, 1.5 MHz adjustable, step-down switching regulator
• Manufacturer: STMicroelectronics

Specifications of ST1S03

• Typical Efficiency: > 70% over all operating conditions
• Not Switching Quiescent Current: max 2.5mA over temperature range
• Switch Vds: max 350mV @ ISW=750mA

2
Figure 2.
Table 2.
4/16
Pin n°
1
2
3
4
5
6
Pin configuration
Pin connections (top view)
Pin description
Symbol
V
V
GND
N.C.
IN_SW
V
SW
IN_A
FB
Voltage of feedback
System ground
Output of the internal power switch
Power supply for the MOSFET switch
Power supply for the analog circuit
Not connected
Name and function