Details

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BUY SKKD105F12 https://www.utsource.net/itm/p/12600013.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	V_IN	4.5	-	16	V	Operating input voltage range
Output Voltage	V_OUT	1.0	-	5.0	V (adj.)	Adjustable output voltage
Output Current	I_OUT	-	500	-	mA	Maximum continuous output current
Quiescent Current	I_Q	-	20	-	渭A	Quiescent current at no load
Efficiency	畏	-	90	-	%	Typical efficiency at nominal conditions
Dropout Voltage	V_DROPOUT	-	0.3	-	V	Dropout voltage at maximum load
Operating Temperature	T_OP	-40	-	85	掳C	Operating temperature range
Storage Temperature	T_STG	-55	-	125	掳C	Storage temperature range
Package	-	-	-	-	SOT-23-5	Package type

Instructions for Use

1. Input Connection:

   • Connect the input voltage (V_IN) to the VIN pin.
   • Ensure the input voltage is within the specified range (4.5V to 16V).

2. Output Configuration:

   • The output voltage (V_OUT) can be adjusted by using an external resistor network.
   • Connect the output pin (VOUT) to your load.

3. Ground Connection:

   • Connect the ground (GND) pin to the common ground of your circuit.

4. Feedback Loop:

   • For adjustable output voltage, connect the feedback (FB) pin to a voltage divider formed by two resistors (R1 and R2).
   • The formula for setting the output voltage is: ( V_ = V_ left(1 + fracright) ), where ( V_ ) is typically 1.25V.

5. Enable Pin:

   • The enable (EN) pin can be used to control the on/off state of the regulator.
   • Apply a high logic level (typically >1.2V) to turn on the regulator.
   • Apply a low logic level (typically <0.8V) to turn off the regulator.

6. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • Consider using a heatsink or placing the device on a PCB with good thermal conductivity.

7. Capacitors:

   • Use input and output capacitors to stabilize the regulator and filter noise.
   • Recommended values: 1渭F ceramic capacitor for both input and output.

8. Layout Recommendations:

   • Keep the traces between the input and output capacitors and the regulator as short as possible.
   • Place the capacitors close to the regulator pins.

9. Storage and Handling:

   • Store the device in a dry environment within the specified storage temperature range.
   • Handle with care to avoid static damage. Use proper ESD protection measures.

(For reference only)