Details

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BUY MB3759 https://www.utsource.net/itm/p/12594865.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	4.5	5.0	5.5	V
Output Current	Iout	Continuous	-	1.0	2.0	A
Quiescent Current	Iq	No load	10	20	30	渭A
Dropout Voltage	Vdo	Iout = 1.0A	0.2	0.3	0.5	V
Thermal Shutdown	Tshut	Activation	-	150	160	掳C
Operating Temp.	Topr	Range	-40	-	85	掳C

Instructions for MB3759

1. Supply Voltage (Vcc):

   • Ensure the supply voltage is within the range of 4.5V to 5.5V for stable operation.
   • Exceeding this range can cause damage to the device.

2. Output Current (Iout):

   • The device can provide a continuous output current of up to 2.0A.
   • For optimal performance, keep the output current around 1.0A.

3. Quiescent Current (Iq):

   • The quiescent current is the current drawn by the device when there is no load.
   • It typically ranges from 10渭A to 30渭A under no-load conditions.

4. Dropout Voltage (Vdo):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation.
   • At an output current of 1.0A, the dropout voltage is typically 0.3V but can range from 0.2V to 0.5V.

5. Thermal Shutdown (Tshut):

   • The device has thermal protection that activates at temperatures between 150掳C and 160掳C.
   • This feature helps prevent damage due to overheating.

6. Operating Temperature (Topr):

   • The device is designed to operate within a temperature range of -40掳C to 85掳C.
   • Ensure the operating environment does not exceed these limits to avoid performance issues or damage.

Additional Notes:

• Mounting:
  • Use appropriate heat sinks if the device will be operating at high currents or in high ambient temperatures.
• Layout:
  • Keep input and output capacitors close to the device to minimize noise and improve stability.
• Capacitors:
  • Use ceramic capacitors with low ESR for input and output filtering.
  • Typical values are 10渭F for input and 10渭F for output.

(For reference only)