Details

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BUY HY911105T https://www.utsource.net/itm/p/12606875.html

Parameter	Description	Value
Part Number	HY911105T
Type	Low Dropout Linear Regulator (LDO)
Input Voltage Range	Operating voltage range for the input	2.7V to 5.5V
Output Voltage	Fixed output voltage	3.3V
Output Current	Maximum continuous output current	150mA
Dropout Voltage	Voltage difference between input and output when output is at max current	120mV (max)
Quiescent Current	Current consumed by the regulator when no load is present	20渭A (typical)
Shutdown Current	Current consumed when the device is in shutdown mode	0.1渭A (max)
Operating Temperature	Temperature range for normal operation	-40掳C to 85掳C
Storage Temperature	Temperature range for storage	-65掳C to 150掳C
Package	Package type	SOT-23-5
Protection Features	Overcurrent protection, thermal shutdown	Included

Instructions

1. Power Supply Connection:

   • Connect the input voltage to the VIN pin.
   • Connect the output voltage to the VOUT pin.
   • Ensure that the input voltage is within the specified range (2.7V to 5.5V).

2. Capacitors:

   • Place a 1渭F ceramic capacitor close to the VIN pin to stabilize the input.
   • Place a 1渭F ceramic capacitor close to the VOUT pin to stabilize the output.

3. Grounding:

   • Connect the GND pin to a common ground point to ensure proper operation.

4. Shutdown Function:

   • To enable the shutdown function, connect the SHDN pin to GND to turn off the regulator.
   • To operate the regulator, leave the SHDN pin open or connect it to VIN.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if the regulator is operating near its maximum output current.
   • Use a heatsink or PCB copper pour to improve thermal performance if necessary.

6. Layout Recommendations:

   • Keep the traces from the input and output capacitors as short as possible to minimize parasitic inductance.
   • Place the regulator and associated components on the same side of the PCB to reduce noise and improve stability.

7. Handling Precautions:

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

8. Storage:

   • Store the device in a dry environment to prevent moisture damage.
   • Follow the recommended storage temperature range (-65掳C to 150掳C).

(For reference only)