Details

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BUY OB2263 https://www.utsource.net/itm/p/12543754.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	2.0	3.3	5.5	V
Quiescent Current	Iq	No load	-	1.5	3.0	μA
Output Current	Iout	Continuous	0	100	200	mA
Dropout Voltage	Vdo	Iout = 100mA	0.3	0.5	0.7	V
Line Regulation	ΔVout/ΔVin	Iout = 100mA, Vcc = 5V	-	0.01	0.02	%
Load Regulation	ΔVout/ΔIout	Vcc = 5V, Iout = 0 to 100mA	-	0.01	0.02	%
Thermal Shutdown	TSD		-	150	160	°C
Short-Circuit Current	Isc	Vcc = 5V	-	250	300	mA

Instructions for Use:

1. Supply Voltage (Vcc):

   • Ensure the supply voltage is within the range of 2.0V to 5.5V.
   • Use appropriate decoupling capacitors (typically 10μF) at the input to stabilize the supply.

2. Quiescent Current (Iq):

   • The quiescent current is very low, making the OB2263 suitable for battery-powered applications.

3. Output Current (Iout):

   • The device can provide up to 200mA of continuous output current.
   • For higher current applications, ensure adequate heat dissipation.

4. Dropout Voltage (Vdo):

   • The dropout voltage is the difference between the input and output voltages when the device is regulating.
   • Keep this in mind when designing circuits to ensure the input voltage is always above the output voltage by at least the dropout voltage.

5. Line Regulation:

   • The line regulation is the change in output voltage due to changes in input voltage.
   • This parameter ensures that the output voltage remains stable even if the input voltage fluctuates.

6. Load Regulation:

   • The load regulation is the change in output voltage due to changes in load current.
   • This parameter ensures that the output voltage remains stable even if the load current varies.

7. Thermal Shutdown (TSD):

   • The device will automatically shut down if the junction temperature exceeds 150°C to prevent damage.
   • Ensure proper heat sinking or cooling for high-power applications.

8. Short-Circuit Current (Isc):

   • The device has built-in short-circuit protection, limiting the output current to approximately 250-300mA.
   • However, prolonged short circuits can still cause overheating and potential damage.

Additional Notes:

• Always refer to the datasheet for the most accurate and detailed information.
• Use appropriate PCB layout techniques to minimize noise and improve performance.
• Ensure all components are rated for the expected operating conditions.

(For reference only)