Details

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BUY HA17805P https://www.utsource.net/itm/p/12611846.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	4.5	-	40	V
Output Voltage	VOUT	Fixed	-	5.0	-	V
Output Current	IOUT	Continuous	-	1.5	2.0	A
Quiescent Current	IQ	VIN = 40V, VOUT = 5V, IOUT = 0A	-	5	10	mA
Dropout Voltage	VDROPOUT	IOUT = 1.5A, VIN = 6V	-	1.2	1.8	V
Load Regulation	ΔVOUT/ΔIOUT	IOUT = 0 to 2A, VIN = 12V	-	0.01	0.03	%
Line Regulation	ΔVOUT/ΔVIN	VIN = 4.5 to 40V, IOUT = 1.5A	-	0.01	0.03	%
Ripple Rejection	RR	10Hz to 100kHz, IOUT = 1.5A	-	70	80	dB
Operating Temperature	TOPR	-	-40	-	125	°C
Storage Temperature	TSTG	-	-65	-	150	°C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 40V.
   • The input voltage should be at least 1.2V to 1.8V higher than the output voltage to maintain regulation.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 5.0V.
   • Use appropriate capacitors on the input and output to stabilize the voltage and reduce ripple.

3. Output Current (IOUT):

   • The maximum continuous output current is 2.0A, with a typical value of 1.5A.
   • Ensure the load does not exceed the maximum output current to avoid damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 5mA and can go up to 10mA under specified conditions.
   • This current is drawn even when there is no load on the output.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation.
   • At 1.5A output current, the dropout voltage is typically 1.2V and can go up to 1.8V.

6. Load Regulation:

   • The load regulation is the change in output voltage due to changes in load current.
   • It is typically 0.01% and can go up to 0.03%.

7. Line Regulation:

   • The line regulation is the change in output voltage due to changes in input voltage.
   • It is typically 0.01% and can go up to 0.03%.

8. Ripple Rejection (RR):

   • The ripple rejection is the ability to reject input voltage ripple.
   • It is typically 70dB and can go up to 80dB over the frequency range of 10Hz to 100kHz.

9. Operating Temperature (TOPR):

   • The device can operate within a temperature range of -40°C to 125°C.
   • Ensure the ambient temperature does not exceed these limits to prevent thermal shutdown or damage.

10. Storage Temperature (TSTG):

    • The device can be stored within a temperature range of -65°C to 150°C.
    • Avoid exposing the device to extreme temperatures for extended periods.

Additional Notes:

• Always use appropriate heat sinking if the device is operating near its maximum current or in high ambient temperatures.
• Ensure proper PCB layout with adequate trace widths to handle the current and minimize voltage drops.
• Use bypass capacitors (typically 10μF and 0.1μF) on both the input and output to improve stability and reduce noise.

(For reference only)