Details

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BUY ULN2803G https://www.utsource.net/itm/p/12602719.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Supply Voltage	VCC	4.5	-	55	V	Operating range for all functions
Output Current (per channel)	IO	-	500	-	mA	Maximum continuous current per Darlington pair
Peak Output Current (per channel)	IOPK	-	600	-	mA	Short duration, non-repetitive
Input Current	II	-	1.6	-	mA	At VI = 5V
Input Voltage (High)	VIH	2.0	-	55	V	Minimum input voltage to ensure high logic level
Input Voltage (Low)	VIL	0	-	0.8	V	Maximum input voltage to ensure low logic level
Output Voltage (Saturation)	VCE(sat)	-	1.0	-	V	At IO = 500mA
Storage Temperature	TSTG	-65	-	150	°C	Temperature range for storage
Operating Temperature	TA	0	-	70	°C	Ambient temperature range for operation
Thermal Resistance (θJA)	-	-	75	-	°C/W	Junction-to-ambient thermal resistance
Power Dissipation	PD	-	650	-	mW	Maximum power dissipation per Darlington pair at TA = 25°C

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the specified range (4.5V to 55V).
   • Connect the V_CC pin to the positive supply and the GND pin to the ground.

2. Input Signals:

   • Apply logic high (V_IH ≥ 2.0V) or logic low (V_IL ≤ 0.8V) signals to the input pins.
   • The input current (I_I) should not exceed 1.6mA at V_I = 5V.

3. Output Loads:

   • Connect the load between the output pins and the ground.
   • Ensure the continuous output current (I_O) does not exceed 500mA per channel.
   • For short-duration, non-repetitive loads, the peak output current (I_OPK) can be up to 600mA.

4. Thermal Management:

   • Monitor the ambient temperature (T_A) to ensure it stays within the operating range (0°C to 70°C).
   • If the device is operating near its maximum power dissipation (P_D = 650mW), consider using a heatsink or improving airflow.

5. Storage:

   • Store the device in an environment with temperatures between -65°C and 150°C.

6. Handling:

   • Handle the device with care to avoid static damage.
   • Follow standard ESD (Electrostatic Discharge) precautions when handling the device.

By adhering to these parameters and instructions, you can ensure reliable and efficient operation of the ULN2803G.

(For reference only)