ST1S09IPUR STMicroelectronics, ST1S09IPUR Datasheet - Page 4

• Manufacturer Part Number: ST1S09IPUR
• Description: IC REG SW 2A 1.5MHZ SD DFN-6D
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of ST1S09IPUR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Current - Output: 2A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.7 ~ 6 V
• Operating Temperature: -30°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 6-DFN
• For Use With: 497-6373 - BOARD EVAL BASED ON ST1S09497-6372 - BOARD EVAL BASED ON ST1S09497-6371 - BOARD EVAL BASED ON ST1S09497-6370 - BOARD EVAL BASED ON ST1S09
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6903-2; ST1S09IPUR

Pin configuration
2
Figure 2.
Table 2.
4/18
Exposed
Pin n°
Pad
1
2
3
4
5
6
Pin configuration
Pin connections (top view)
ST1S09
Pin description
INH/PG/NC
Symbol
V
V
GND
GND
IN_SW
SW
FB
IN_A
Feedback voltage
System ground
Switching pin
Power supply for the MOSFET switch
Power supply for analog circuit
Inhibit (to turn off the device) / Power Good / Not Connected
To be connected to PCB ground plane for optimal electrical and thermal
performance
Doc ID 13632 Rev 4
ST1S09A
Name and function
ST1S09I
ST1S09