Details

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BUY ULN2068B https://www.utsource.net/itm/p/12604150.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Continuous	4.5	-	5.5	V
Input Voltage (High Level)	VIH	-	2.0	-	5.5	V
Input Voltage (Low Level)	VIL	-	0	-	0.8	V
Input Current (High Level)	IIH	VIH = 5V	-	1.0	-	mA
Input Current (Low Level)	IIL	VIL = 0V	-	0.1	-	mA
Output Current (Sink) per Channel	IOL	VO = 1.5V	-	500	-	mA
Total Output Current (Sink)	IT	-	-	1500	-	mA
Output Voltage (Saturation)	VOS	IOL = 500mA	-	1.5	-	V
Operating Temperature Range	TA	-	-40	-	85	掳C
Storage Temperature Range	TSTG	-	-65	-	150	掳C

Instructions for Using the ULN2068B:

1. Supply Voltage:

   • Ensure the supply voltage (V_CC) is within the range of 4.5V to 5.5V for reliable operation.

2. Input Voltage:

   • For high-level input, the voltage should be between 2.0V and 5.5V.
   • For low-level input, the voltage should be between 0V and 0.8V.

3. Input Current:

   • The input current at high level (I_IH) should not exceed 1.0mA when V_IH is 5V.
   • The input current at low level (I_IL) should not exceed 0.1mA when V_IL is 0V.

4. Output Current:

   • Each channel can sink up to 500mA of current.
   • The total output current (I_T) should not exceed 1500mA.

5. Output Voltage (Saturation):

   • When sinking 500mA, the output voltage (V_OS) will be approximately 1.5V.

6. Temperature Range:

   • The operating temperature range (T_A) is from -40掳C to 85掳C.
   • The storage temperature range (T_STG) is from -65掳C to 150掳C.

7. Handling and Storage:

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

8. Circuit Design:

   • Use appropriate decoupling capacitors near the power supply pins to reduce noise and improve stability.
   • Ensure proper heat dissipation if the device is expected to operate at high current levels for extended periods.

9. Testing:

   • Before finalizing the design, test the circuit under various conditions to ensure it meets the required specifications and performance criteria.

(For reference only)