ST1S03 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST1S03

1.5A, 1.5 MHz adjustable, step-down switching regulator in DFN6

STMicroelectronics 

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ST1S03

Typical performance characteristics

Figure 16. Switch RDS-ON vs temperature

Figure 17. Switch current limitation vs

temperature

Figure 18. Load transient response

Figure 19. Load transient response

VCC=5V, IO=100mA to 780mA, CI=4.7µF, CO=22µF,

L=3.3µH, TON=38µs, TJ=25°C

Figure 20. Start-Up transient

VCC=5V, IO=200mA to 1.2A, CI=4.7µF, CO=22µF, L=3.3µH,

TON=38µs, TJ=25°C

Figure 21. Start-Up transient

VCC = 5V, TJ = 25°C

VCC = 5V, TJ = 25°C

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