Details

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BUY ALF1P05 https://www.utsource.net/itm/p/12607290.html

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage	V_IN	2.7	-	5.5	V
Output Voltage	V_OUT	-	1.0	-	V
Output Current	I_OUT	-	100	250	mA
Quiescent Current	I_Q	-	1.0	-	渭A
Dropout Voltage	V_DROPOUT	-	0.4	-	V
PSRR (at 1 kHz)	PSRR	-	70	-	dB
Line Regulation	-	-	0.05%	-	%/V
Load Regulation	-	-	0.1%	-	%/mA
Operating Temperature	T_OP	-40	-	125	掳C
Storage Temperature	T_STG	-65	-	150	掳C

Instructions for Using ALF1P05:

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the VIN pin.
   • Ensure the input voltage is within the specified range of 2.7V to 5.5V.

2. Output Configuration:

   • The output voltage (V_OUT) is fixed at 1.0V. No external resistors are required for setting the output voltage.

3. Output Current:

   • The device can provide a typical output current of 100mA, with a maximum of 250mA.
   • Ensure that the load does not exceed the maximum output current to avoid damage.

4. Quiescent Current:

   • The quiescent current (I_Q) is very low, typically 1.0渭A, which makes the device suitable for battery-powered applications.

5. Dropout Voltage:

   • The dropout voltage (V_DROPOUT) is 0.4V. This means the input voltage must be at least 0.4V higher than the output voltage to ensure proper regulation.

6. Power Supply Rejection Ratio (PSRR):

   • The PSRR is 70dB at 1kHz, indicating good rejection of ripple and noise from the input supply.

7. Regulation:

   • Line regulation is 0.05% per volt, and load regulation is 0.1% per milliamp. These values ensure stable output voltage under varying input and load conditions.

8. Temperature Considerations:

   • The operating temperature range is from -40掳C to 125掳C.
   • The storage temperature range is from -65掳C to 150掳C.

9. PCB Layout:

   • Place the input and output capacitors close to the respective pins to minimize noise and improve stability.
   • Use a 1渭F ceramic capacitor for both input and output for optimal performance.

10. Handling:

    • Handle the device with care to avoid static damage.
    • Follow proper soldering techniques to ensure reliable connections.

11. Testing:

    • Before finalizing the design, test the device under various operating conditions to ensure it meets the required specifications.

(For reference only)