Details

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BUY LTC3803ES6#PBF https://www.utsource.net/itm/p/4814558.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating	4.5	-	60	V
Output Voltage Range	VOUT	Adjustable	0.8	-	55	V
Switching Frequency	fSW	Typical	-	300	900	kHz
Current Limit	ILIM	Continuous	-	20	-	A
Efficiency	畏	@VIN=12V, VOUT=5V, IOUT=10A	-	92	-	%
Quiescent Current	IQ	No load, VIN=12V	-	70	-	渭A
Shutdown Current	ISD	VIN=12V, EN=0V	-	2	-	渭A
Reference Voltage	VREF		-	0.8	-	V
Thermal Shutdown	TSD		-	160	-	掳C

Instructions for LTC3803ES6#PBF

1. Input Voltage (VIN):

   • Ensure the input voltage is within the operating range of 4.5V to 60V.

2. Output Voltage (VOUT):

   • Adjust the output voltage using external resistors connected to the feedback pin. The adjustable range is from 0.8V to 55V.

3. Switching Frequency (fSW):

   • Set the switching frequency by selecting an appropriate resistor value for RT. The typical range is 300kHz to 900kHz.

4. Current Limit (ILIM):

   • Monitor the continuous current limit which is typically set at 20A. Do not exceed this limit to avoid damage.

5. Efficiency:

   • For optimal efficiency, operate within recommended conditions. Efficiency can reach up to 92% under typical conditions.

6. Quiescent Current (IQ):

   • The quiescent current is very low, around 70渭A when there is no load, contributing to high efficiency in light-load conditions.

7. Shutdown Current (ISD):

   • When the enable pin (EN) is pulled low, the shutdown current drops to approximately 2渭A, minimizing power consumption.

8. Reference Voltage (VREF):

   • The internal reference voltage is set to 0.8V, which is used for setting the output voltage.

9. Thermal Shutdown (TSD):

   • The device will shut down if the junction temperature exceeds 160掳C to protect against overheating.

For detailed application circuits and layout guidelines, refer to the datasheet or application notes provided by Linear Technology (now part of Analog Devices).

(For reference only)