Details

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BUY TDB2905SP https://www.utsource.net/itm/p/12606657.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VCC	4.5	-	5.5	V	-
Quiescent Current	IQ	-	6	10	mA	VCC = 5V, No Load
Output Current (Continuous)	IO	-	500	800	mA	VCC = 5V
Output Voltage	VOUT	-	3.3	3.3	V	VCC = 5V, IO = 500mA
Dropout Voltage	VDROP	-	1.2	1.5	V	IO = 500mA
Line Regulation	-	-	0.5	1.0	%	VCC = 4.5V to 5.5V, IO = 500mA
Load Regulation	-	-	0.5	1.0	%	VCC = 5V, IO = 0 to 500mA
Thermal Shutdown	TSD	-	150	170	掳C	-
Short-Circuit Protection	-	-	-	-	-	Active

Instructions for Use:

1. Supply Voltage:

   • Ensure the supply voltage (V_CC) is within the range of 4.5V to 5.5V.
   • A stable input voltage is crucial for optimal performance.

2. Output Configuration:

   • Connect the output (V_OUT) to your load.
   • The output voltage is regulated to 3.3V under typical conditions.

3. Thermal Management:

   • Place the TDB2905SP on a heatsink or a PCB with good thermal dissipation if operating at high output currents.
   • Monitor the temperature to avoid exceeding the thermal shutdown threshold (150掳C to 170掳C).

4. Short-Circuit Protection:

   • The device includes built-in short-circuit protection. In case of a short circuit, the output current will be limited to prevent damage.

5. Quiescent Current:

   • The quiescent current (I_Q) is typically 6mA but can go up to 10mA. This should be considered in low-power applications.

6. Line and Load Regulation:

   • The line regulation is 卤0.5% to 卤1.0%, ensuring stable output voltage over the specified input voltage range.
   • The load regulation is 卤0.5% to 卤1.0%, maintaining output stability as the load current varies.

7. Dropout Voltage:

   • The dropout voltage (V_DROP) is typically 1.2V to 1.5V at 500mA output current. Ensure the input voltage is sufficiently higher than the output voltage to maintain regulation.

8. Storage and Handling:

   • Store the device in a dry, cool place away from direct sunlight.
   • Handle with care to avoid static discharge, which can damage the component.

(For reference only)