Details

---

BUY ULN2003ADR https://www.utsource.net/itm/p/12599502.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Supply Voltage	VCC	4.5	-	50	V
Output Current per Channel	IO	-	500	-	mA	Continuous, VCE(sat) = 1.0V
Peak Output Current	IOPK	-	600	-	mA	t = 100 渭s, VCE(sat) = 1.0V
Input Voltage High	VIH	2.0	-	50	V
Input Voltage Low	VIL	0	-	0.8	V
Input Current	II	-	1.0	-	渭A	VIN = 5V
Output Saturation Voltage	VCE(sat)	-	1.0	-	V	IO = 500mA
Storage Temperature	TSTG	-55	-	150	掳C
Operating Temperature	TA	0	-	70	掳C

Instructions for Using ULN2003ADR

1. Power Supply:

   • Connect the V_CC pin to a power supply between 4.5V and 50V.
   • Ensure the ground (GND) pin is connected to the common ground.

2. Input Signals:

   • Apply digital input signals to the input pins (1-7).
   • High input voltage (V_IH) should be at least 2.0V.
   • Low input voltage (V_IL) should be less than or equal to 0.8V.

3. Output Configuration:

   • Each output pin (16-10) can sink up to 500mA continuously.
   • For peak currents up to 600mA, ensure the pulse width does not exceed 100 渭s.
   • The output saturation voltage (V_CE(sat)) is typically 1.0V when sinking 500mA.

4. Protection:

   • The ULN2003ADR has built-in free-wheeling diodes for inductive load protection.
   • No external diodes are required for most applications involving relays, solenoids, or motors.

5. Temperature Considerations:

   • The device can operate in ambient temperatures from 0掳C to 70掳C.
   • Store the device in temperatures ranging from -55掳C to 150掳C.

6. Handling Precautions:

   • Handle the device with care to avoid static discharge.
   • Use appropriate ESD protection measures during handling and installation.

7. Layout Recommendations:

   • Keep the power supply lines short and use decoupling capacitors close to the V_CC and GND pins to reduce noise.
   • Ensure proper heat dissipation if operating at high currents or in high ambient temperatures.

(For reference only)