Details

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BUY SY89426J https://www.utsource.net/itm/p/12607177.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	1.6	-	3.6	V	Operating supply voltage range
Output Voltage	VOUT	-	2.5	-	V	Nominal output voltage
Quiescent Current	IQ	-	1.5	2.0	渭A	Quiescent current at no load
Load Regulation	-	-	0.2	0.5	%	Change in output voltage with load (10 mA to 200 mA)
Line Regulation	-	-	0.1	0.3	%	Change in output voltage with input voltage (1.6 V to 3.6 V)
Dropout Voltage	VDROPOUT	-	200	300	mV	Minimum input-to-output differential for regulation
Short-Circuit Current	ISC	-	300	400	mA	Maximum output short-circuit current
Thermal Shutdown	TSD	-	150	170	掳C	Temperature at which the device enters thermal shutdown
Operating Temperature	TOPR	-40	-	125	掳C	Operating temperature range
Storage Temperature	TSTG	-65	-	150	掳C	Storage temperature range

Instructions:

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the specified range of 1.6 V to 3.6 V.
   • Use a stable power source to avoid fluctuations that could affect performance.

2. Output Configuration:

   • The nominal output voltage (VOUT) is 2.5 V. Ensure the load connected to the output does not exceed the maximum load regulation limits.
   • For optimal performance, use appropriate decoupling capacitors on both input and output sides.

3. Thermal Management:

   • The device has built-in thermal shutdown protection that activates at temperatures between 150掳C and 170掳C.
   • Ensure adequate heat dissipation to keep the operating temperature within the specified range (-40掳C to 125掳C).

4. Short-Circuit Protection:

   • The device can handle short circuits up to 300 mA to 400 mA. However, prolonged short circuits can cause damage.
   • Implement additional protection circuits if the application requires higher robustness.

5. Storage:

   • Store the device in a dry environment with temperatures between -65掳C and 150掳C to ensure long-term reliability.

6. Decoupling Capacitors:

   • Place a 1 渭F ceramic capacitor close to the input and output pins to minimize noise and improve stability.
   • Larger capacitors may be used for applications with high transient currents.

7. PCB Layout:

   • Ensure a clean and well-designed PCB layout to minimize parasitic inductance and capacitance.
   • Keep the ground plane solid and connect all ground pins directly to the ground plane.

8. Testing:

   • Test the device under various operating conditions to ensure it meets the required specifications.
   • Monitor the output voltage and quiescent current to verify proper operation.

(For reference only)