Details

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BUY OB3351TQP https://www.utsource.net/itm/p/12610309.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		2.5		5.5	V
Output Voltage	VOUT		1.8	3.3	5.0	V
Quiescent Current	IQ	VIN = 5V, IOUT = 0mA		1.0		μA
Dropout Voltage	VDROPOUT	IOUT = 500mA, VIN = 3.3V		0.3		V
Load Regulation	ΔVOL/ΔIOUT	IOUT = 0mA to 500mA		0.5		%
Line Regulation	ΔVOL/ΔVIN	VIN = 2.7V to 5.5V		0.1		%
Ripple Rejection	RR	f = 120Hz		60		dB
Operating Temperature	Toper		-40		85	°C
Storage Temperature	Tstg		-65		150	°C

Instructions for OB3351TQP

1. Power Supply Connection:

   • Connect the input voltage (VIN) between 2.5V and 5.5V to the input pin.
   • Ensure a proper bypass capacitor (e.g., 1μF ceramic) is placed close to the input pin.

2. Output Configuration:

   • Set the output voltage using external resistors if adjustable version is used.
   • For fixed output versions, no external components are required for setting VOUT.

3. Load Regulation:

   • The device maintains load regulation within 0.5% from 0mA to 500mA output current.

4. Thermal Considerations:

   • Ensure adequate heat sinking or PCB copper area for thermal dissipation especially at higher output currents and dropout conditions.

5. Stability:

   • Use recommended output capacitors to ensure stability; typically, a 1μF ceramic capacitor on the output is sufficient.

6. Handling Precautions:

   • Handle with care to avoid damage due to electrostatic discharge (ESD).
   • Store in a controlled environment within specified storage temperature limits.

7. Application:

   • Suitable for portable devices, battery-powered systems, and applications requiring low quiescent current and good line/load regulation.

(For reference only)