Details

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BUY IP3842N https://www.utsource.net/itm/p/12608674.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	-	4.5	-	5.5	V
Output Current (Max)	Iout	Continuous	-	1.5	2.0	A
Quiescent Current	Iq	Vout = 0V	0.1	0.5	1.0	mA
Dropout Voltage	Vdo	Iout = 1.5A	0.6	1.0	1.5	V
Line Regulation	ΔVout/ΔVin	Iout = 1.5A, Vin = 4.5V to 5.5V	-	0.5	1.0	%
Load Regulation	ΔVout/ΔIout	Vin = 5V, Iout = 0 to 1.5A	-	0.5	1.0	%
Ripple Rejection	RR	100kHz	50	60	70	dB
Thermal Shutdown	TSD	-	-	160	-	°C
Short-Circuit Protection	SCP	-	-	Yes	-	-

Instructions for Use:

1. Supply Voltage (Vcc):

   • Ensure the supply voltage is within the range of 4.5V to 5.5V to avoid damage to the device.

2. Output Current (Iout):

   • The maximum continuous output current is 1.5A, with a peak of 2.0A. Do not exceed these limits to prevent overheating or damage.

3. Quiescent Current (Iq):

   • The quiescent current is the current consumed by the regulator when no load is applied. It ranges from 0.1mA to 1.0mA.

4. Dropout Voltage (Vdo):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation. It is typically between 0.6V and 1.5V at a 1.5A load.

5. Line Regulation:

   • Line regulation measures how well the output voltage remains constant despite changes in the input voltage. It should be less than 1.0% for a 1.5A load.

6. Load Regulation:

   • Load regulation measures how well the output voltage remains constant despite changes in the load current. It should be less than 1.0% for a load current ranging from 0 to 1.5A.

7. Ripple Rejection (RR):

   • Ripple rejection indicates the ability of the regulator to reject ripple on the input voltage. It is typically between 50dB and 70dB at 100kHz.

8. Thermal Shutdown (TSD):

   • The device will shut down if the junction temperature exceeds approximately 160°C to prevent damage from overheating.

9. Short-Circuit Protection (SCP):

   • The device includes short-circuit protection to prevent damage in case of a short circuit at the output.

Layout Considerations:

• Place the input and output capacitors as close as possible to the IC to minimize noise and improve stability.
• Use a heat sink if the device is expected to operate near its maximum output current or in high ambient temperatures.

Storage and Handling:

• Store the device in a dry, cool place to prevent moisture damage.
• Handle the device with care to avoid static discharge, which can damage sensitive components.

(For reference only)