Details

---

BUY SC1145DG https://www.utsource.net/itm/p/12535118.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	2.7	5.0	5.5	V
Quiescent Current	Iq	Vcc = 5V	-	20	-	μA
Output Current	Iout	Vcc = 5V, Vo = 3.3V	0	100	150	mA
Output Voltage	Vo	Vcc = 5V, Iout = 100mA	3.1	3.3	3.5	V
Dropout Voltage	Vdo	Iout = 150mA	0.2	0.3	0.5	V
Thermal Shutdown	TSD	-	-	160	-	°C
Operating Temperature	Topr	-	-40	-	85	°C
Storage Temperature	Tstg	-	-65	-	150	°C

Instructions for Use:

1. Power Supply Connection:

   • Connect the supply voltage (Vcc) to the input pin.
   • Ensure the supply voltage is within the operating range of 2.7V to 5.5V.

2. Output Configuration:

   • Connect the load to the output pin (Vo).
   • The output voltage is typically 3.3V when the supply voltage is 5V and the load current is within the specified range.

3. Thermal Considerations:

   • Place the device in a well-ventilated area to avoid overheating.
   • If the device temperature exceeds 160°C, it will automatically shut down to prevent damage.

4. Current Limiting:

   • The device can provide up to 150mA of output current.
   • For currents exceeding 100mA, ensure the dropout voltage is within the specified range to maintain stable output.

5. Operating and Storage Temperature:

   • The device is designed to operate between -40°C and 85°C.
   • Store the device between -65°C and 150°C to ensure long-term reliability.

6. Capacitor Recommendations:

   • Use a 1μF ceramic capacitor at the input and a 1μF ceramic capacitor at the output for stability.
   • Place these capacitors as close as possible to the respective pins to minimize parasitic inductance.

7. Handling Precautions:

   • Handle the device with care to avoid static discharge.
   • Follow standard ESD (Electrostatic Discharge) precautions during handling and installation.

8. Mounting:

   • Solder the device to the PCB using a reflow soldering process or hand soldering with a temperature-controlled iron.
   • Ensure the soldering temperature does not exceed the maximum storage temperature of 150°C.

(For reference only)