Details

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BUY BD9882F-E2 https://www.utsource.net/itm/p/8146518.html
IC INVERTER CONTROL SOP20

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating Range	2.5	-	5.5	V
Output Voltage	VOUT	Fixed	-	3.3	-	V
Output Current	IOUT	Continuous	-	2.0	3.0	A
Quiescent Current	IQ	No Load, VIN = 3.6V	-	4.0	-	μA
Shutdown Current	ISD	VIN = 3.6V, EN = Low	-	0.1	-	μA
Efficiency	η	VIN = 3.6V, IOUT = 1A	-	92	-	%
Switching Frequency	fSW	Typical	-	2.2	-	MHz
Dropout Voltage	VDROPOUT	IOUT = 3A	-	250	-	mV

Instructions for BD9882F-E2

1. Power Supply Connection:

   • Connect the input voltage (VIN) between the VIN pin and GND.
   • Ensure the input voltage is within the operating range of 2.5V to 5.5V.

2. Output Configuration:

   • The output voltage (VOUT) is fixed at 3.3V. No external resistors are required for setting the output voltage.

3. Enable Pin (EN):

   • Apply a logic high signal to the EN pin to enable the device.
   • Pull the EN pin low or leave it floating to put the device in shutdown mode, reducing power consumption.

4. Capacitors:

   • Use recommended input and output capacitors as specified in the datasheet to ensure stability.
   • For example, use a 1μF ceramic capacitor for the input and a 10μF ceramic capacitor for the output.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at higher output currents.
   • Mount the IC on a heatsink or PCB with sufficient copper area for thermal management.

6. PCB Layout:

   • Follow good layout practices to minimize noise and parasitic effects.
   • Keep traces short and direct, especially for high-frequency switching nodes.

7. Protection Features:

   • The device includes overcurrent protection, thermal shutdown, and undervoltage lockout.
   • These features help protect the device from damage under fault conditions.

8. Application Notes:

   • Refer to the application notes provided by the manufacturer for more detailed information on optimizing performance and troubleshooting common issues.

(For reference only)