Details

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BUY BD677A https://www.utsource.net/itm/p/12541825.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	4.5	-	40	V
Quiescent Current	Iq	-	2.5	-	mA
Output Current (Max)	Iout	-	-	1.5	A
Dropout Voltage	Vdo	-	1.5	-	V
Output Voltage Range	Vout	-	-	-	V (Vcc-1.5 to Vcc-3)
Operating Temperature	Topr	-40	-	125	°C
Storage Temperature	Tstg	-55	-	150	°C
Thermal Resistance (θja)	θja	-	150	-	°C/W

Instructions for BD677A

1. Supply Voltage (Vcc):

   • The BD677A can operate with a supply voltage ranging from 4.5V to 40V. Ensure that the input voltage is within this range to avoid damage to the device.

2. Quiescent Current (Iq):

   • The typical quiescent current is 2.5mA. This is the current consumed by the device when no load is connected.

3. Output Current (Iout):

   • The maximum output current is 1.5A. Do not exceed this limit to prevent overheating and potential damage.

4. Dropout Voltage (Vdo):

   • The typical dropout voltage is 1.5V. This is the minimum difference between the input and output voltages required for the regulator to maintain regulation.

5. Output Voltage Range (Vout):

   • The output voltage can be adjusted within the range of Vcc - 1.5V to Vcc - 3V. Use external resistors to set the desired output voltage.

6. Operating Temperature (Topr):

   • The operating temperature range is from -40°C to 125°C. Ensure that the device operates within this range to maintain reliability and performance.

7. Storage Temperature (Tstg):

   • The storage temperature range is from -55°C to 150°C. Store the device in a dry, cool place to avoid damage.

8. Thermal Resistance (θja):

   • The typical thermal resistance from junction to ambient is 150°C/W. Proper heat sinking may be necessary if the device is operating at high power levels to ensure adequate cooling.

9. Mounting:

   • Mount the BD677A on a suitable heat sink if it will be used in high-power applications. Ensure good thermal contact between the device and the heat sink.

10. Handling:

    • Handle the BD677A with care to avoid static discharge, which can damage the device. Use proper ESD protection measures during handling and installation.

(For reference only)