Details

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BUY HA17431PA-E https://www.utsource.net/itm/p/12611411.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	4.5	5	5.5	V	Operating supply voltage range
Output Current	Iout	-	100	300	mA	Maximum continuous output current
Efficiency	畏	70	85	92	%	Power conversion efficiency
Switching Frequency	fsw	1.0	1.2	1.5	MHz	Internal oscillator frequency
Quiescent Current	IQ	1	2	3	mA	Current consumption in standby
Dropout Voltage	Vdo	0.3	0.5	0.8	V	Voltage difference at dropout
Thermal Shutdown Temp	TSD	140	160	180	掳C	Temperature for thermal shutdown
Package Type	-	-	-	-	SOIC-8	Package type

Instructions:

1. Power Supply Connection: Connect the positive terminal of the power supply to the VIN pin and the negative terminal to the GND pin.
2. Output Configuration: Connect the load between the VOUT pin and GND. Ensure that the load does not exceed the maximum output current rating.
3. Capacitor Installation: Place a 1 渭F capacitor between VIN and GND close to the device for stability. A 10 渭F capacitor is recommended between VOUT and GND for optimal performance.
4. Thermal Considerations: Ensure adequate heat dissipation if operating near the maximum output current or in high ambient temperatures to prevent thermal shutdown.
5. Efficiency Optimization: For best efficiency, operate within the typical switching frequency range and ensure proper layout to minimize parasitic inductance and resistance.
6. Protection Features: The device includes overcurrent protection and thermal shutdown features to safeguard against excessive loads and overheating.

(For reference only)