Details

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BUY SBA5089Z https://www.utsource.net/itm/p/12612080.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	4.5	5.0	5.5	V	Operating supply voltage
Output Current	IOUT	-	1.2	1.5	A	Maximum continuous output current
Efficiency	畏	85	90	93	%	Power conversion efficiency
Switching Frequency	fSW	400	500	600	kHz	Internal switching frequency
Quiescent Current	IQ	70	85	100	渭A	Current consumption in standby
Shutdown Current	ISD	0.1	0.5	1.0	渭A	Current in shutdown mode
Operating Temperature	TOPR	-40	25	125	掳C	Operating ambient temperature range

Instructions for SBA5089Z:

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to the VDD pin.
   • Connect the negative terminal (GND) to the GND pin.

2. Output Configuration:

   • Connect an external inductor and capacitor to the output for filtering.
   • Ensure the load is connected between the VOUT pin and GND.

3. Thermal Considerations:

   • Place the device on a suitable heatsink or PCB with adequate copper area for heat dissipation.
   • Avoid operating at temperatures exceeding the maximum specified operating temperature.

4. Enable/Disable Control:

   • Use the EN pin to control the operation of the device. High logic level enables the device, low disables it.

5. Protection Features:

   • The device includes overcurrent protection, thermal shutdown, and undervoltage lockout.
   • Ensure these features are not activated under normal operating conditions by adhering to the specified limits.

6. Layout Recommendations:

   • Keep the input and output capacitors as close as possible to the device.
   • Minimize trace lengths for high-frequency paths to reduce noise and improve performance.

7. Handling Precautions:

   • Handle the device with care to avoid electrostatic discharge (ESD).
   • Follow standard ESD handling procedures during assembly and testing.

(For reference only)