Details

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BUY UC3708DW https://www.utsource.net/itm/p/482981.html
Dual power operational amplifiers

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		4.5		36	V
Output Voltage	VOUT			1.24		V
Quiescent Current	IQ	VIN = 12V		80		渭A
Load Current	IL			100	150	mA
Dropout Voltage	VD	IL = 150mA		1.2		V
Power Dissipation	PD			150		mW
Operating Temperature	TOPR		-40		125	掳C

Instructions for UC3708DW

1. Input Connection:

   • Connect the input voltage (VIN) to the designated pin of the UC3708DW. Ensure that the input voltage is within the range of 4.5V to 36V.

2. Output Configuration:

   • The output voltage (VOUT) can be adjusted using external resistors. The typical output voltage is 1.24V, but it can be set higher by configuring the feedback network.

3. Quiescent Current Consideration:

   • The quiescent current is typically 80渭A at an input voltage of 12V. This should be considered in power budget calculations.

4. Load Management:

   • The device can handle a load current up to 150mA. Ensure that the load does not exceed this limit to avoid damage or performance degradation.

5. Dropout Voltage Awareness:

   • At a load current of 150mA, the dropout voltage is typically 1.2V. Ensure that the input voltage remains sufficiently above the output voltage to maintain regulation.

6. Power Dissipation:

   • The maximum power dissipation is 150mW. Design the PCB layout to adequately dissipate heat and ensure reliable operation.

7. Operating Temperature Range:

   • The device operates reliably between -40掳C and 125掳C. Ensure that the ambient temperature stays within these limits.

8. Capacitor Selection:

   • Choose input and output capacitors based on the application requirements. Typically, ceramic capacitors are recommended for stability and low ESR.

9. PCB Layout:

   • Follow good PCB layout practices, including short traces for high-frequency paths and adequate copper area for heat dissipation.

10. Protection Circuits:

    • Incorporate necessary protection circuits such as reverse polarity protection and transient voltage suppression to safeguard the device from potential faults.

(For reference only)