Details

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BUY PMBD7000 https://www.utsource.net/itm/p/12426698.html

Parameter	Description	Value
Part Number	Component Identifier	PMBD7000
Type	Device Type	Power Management IC
Function	Primary Function	Buck-Boost Converter
Input Voltage	Range of Input Voltage	2.7V to 5.5V
Output Voltage	Range of Output Voltage	1.8V to 5.2V (Adjustable)
Output Current	Maximum Continuous Output Current	3A
Efficiency	Typical Efficiency	Up to 95%
Switching Frequency	Internal Switching Frequency	2.1MHz
Package	Physical Package Type	QFN-20 (3x3mm)
Operating Temperature	Range of Operating Temperature	-40掳C to +85掳C
Protection Features	Built-in Protection Features	Overcurrent, Overvoltage, Thermal Shutdown
Quiescent Current	Current Consumption in Standby Mode	20渭A
Enable Pin	Control Input for Enabling/Disabling the Device	Logic Level Controlled
Shutdown Current	Current Consumption in Shutdown Mode	<1渭A

Instructions

1. Power Supply Connection:

   • Connect the input voltage to the VIN pin.
   • Ensure the input voltage is within the specified range (2.7V to 5.5V).
   • Connect the ground (GND) pin to the system ground.

2. Output Configuration:

   • Set the output voltage using the feedback resistor network connected to the FB pin.
   • Refer to the datasheet for the specific resistor values to achieve the desired output voltage.

3. Enable/Disable Control:

   • The EN pin can be used to enable or disable the device.
   • Apply a high logic level (typically 3.3V or 5V) to the EN pin to enable the device.
   • Apply a low logic level (0V) to the EN pin to disable the device.

4. Thermal Considerations:

   • Ensure adequate heat dissipation by placing the device on a PCB with sufficient copper area.
   • Use a heatsink if necessary, especially under high load conditions.

5. Capacitor Selection:

   • Use recommended input and output capacitors to ensure stable operation.
   • Refer to the datasheet for specific capacitor types and values.

6. Layout Guidelines:

   • Place the input and output capacitors as close as possible to the respective pins.
   • Minimize trace lengths and use wide traces for power and ground connections to reduce parasitic inductance and resistance.

7. Testing and Validation:

   • After assembly, test the device under various operating conditions to ensure it meets the required performance specifications.
   • Monitor the output voltage and current to verify stability and efficiency.

For detailed information and specific application notes, refer to the PMBD7000 datasheet provided by the manufacturer.

(For reference only)