Details

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BUY OB33510CPA https://www.utsource.net/itm/p/12600334.html

Parameter	Description	Value
Part Number	Component Identifier	OB33510CPA
Function	Device Functionality	5V to 3.3V LDO Voltage Regulator
Input Voltage Range	Range of Input Voltages	4.75V to 5.25V
Output Voltage	Regulated Output Voltage	3.3V
Output Current	Maximum Continuous Output Current	1000mA
Quiescent Current	Current Consumption at No Load	60渭A (Typical)
Dropout Voltage	Voltage Difference Between Input and Output for Regulation	300mV (Maximum) at 1A
PSRR	Power Supply Rejection Ratio	70dB (Typical) at 1kHz
Operating Temperature Range	Ambient Temperature for Operation	-40掳C to +85掳C
Storage Temperature Range	Temperature Range for Storage	-65掳C to +150掳C
Package Type	Physical Package	SOT-223
Thermal Resistance (胃JA)	Junction-to-Ambient Thermal Resistance	30掳C/W

Instructions for Use

1. Circuit Design:

   • Ensure the input voltage is within the specified range (4.75V to 5.25V).
   • Place a 1渭F ceramic capacitor close to the input pin for stability.
   • Place a 1渭F ceramic capacitor close to the output pin for load regulation.

2. PCB Layout:

   • Keep the ground plane solid and wide to ensure good thermal dissipation.
   • Minimize trace lengths between the capacitors and the regulator to reduce parasitic inductance.

3. Thermal Management:

   • If operating near the maximum output current, consider adding a heatsink or using a larger PCB copper area to improve heat dissipation.
   • Ensure adequate airflow if the device is used in a confined space.

4. Testing:

   • Verify the output voltage with a multimeter before connecting any sensitive components.
   • Monitor the temperature of the device during operation to ensure it does not exceed the maximum operating temperature.

5. Storage:

   • Store the device in a dry, cool place within the specified storage temperature range (-65掳C to +150掳C).
   • Handle the device with care to avoid mechanical damage.

6. Safety:

   • Ensure proper grounding and isolation to prevent electrical shock.
   • Follow all relevant safety guidelines and regulations when designing and testing circuits.

(For reference only)