Details

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BUY ULN2805A. https://www.utsource.net/itm/p/12609007.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	VCC	4.5	-	5.5	V
Output Current per Channel	IO	-	500	-	mA
Peak Output Current per Channel	IOP	-	600	-	mA
Continuous Output Current (Total)	ITOT	-	1500	-	mA
Input Voltage High	VIH	2.0	-	5.5	V
Input Voltage Low	VIL	0	-	0.8	V
Input Current	II	-	10	-	渭A
Output Leakage Current	IOL	-	5	-	渭A
Operating Temperature Range	TOPR	-40	-	125	掳C
Storage Temperature Range	TSTG	-65	-	150	掳C

Instructions for Use:

1. Supply Voltage:

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

2. Output Current:

   • Each channel can handle up to 500mA continuously and up to 600mA peak.
   • The total current across all channels should not exceed 1500mA continuously.

3. Input Logic Levels:

   • For a high input, the voltage should be at least 2.0V.
   • For a low input, the voltage should be no more than 0.8V.

4. Input Current:

   • The input current should be kept below 10渭A to ensure proper operation.

5. Output Leakage Current:

   • The output leakage current should be no more than 5渭A to prevent unintended operation.

6. Temperature Ranges:

   • The operating temperature range is from -40掳C to 125掳C.
   • The storage temperature range is from -65掳C to 150掳C.

7. Handling Precautions:

   • Handle the device with care to avoid static discharge, which can damage the internal components.
   • Ensure proper heat dissipation when operating at high currents to prevent overheating.

8. Mounting and Soldering:

   • Follow recommended soldering profiles to avoid thermal stress on the device.
   • Use appropriate cooling methods if necessary during soldering.

9. Application Notes:

   • The ULN2805A is suitable for driving various loads such as relays, solenoids, and LEDs.
   • Use external flyback diodes for inductive loads to protect the device from voltage spikes.

10. Storage:

    • Store the device in a dry, cool place to prevent moisture damage.

For detailed specifications and further information, refer to the datasheet provided by the manufacturer.

(For reference only)