Details

---

BUY 7910CQ https://www.utsource.net/itm/p/12607412.html

Parameter	Description	Value
Part Number	Component Identifier	7910CQ
Type	Device Type	Negative Voltage Regulator
Output Voltage	Fixed Output Voltage	-10V
Input Voltage Range	Operating Input Voltage Range	-12V to -35V
Output Current	Maximum Continuous Output Current	1A
Dropout Voltage	Minimum Input-Output Voltage Difference for Regulation	2V
Quiescent Current	Current Consumed by the Regulator	8mA (Typical)
Thermal Resistance	Junction-to-Ambient Thermal Resistance	65掳C/W
Operating Temperature Range	Temperature Range for Normal Operation	-40掳C to +85掳C
Storage Temperature Range	Temperature Range for Storage	-65掳C to +150掳C
Package	Physical Package Type	TO-220
Polarity	Polarity of the Device	Negative
Mounting Style	Mounting Method	Through-Hole

Instructions for Use

1. Circuit Connection:

   • Input (IN): Connect the negative input voltage to this pin.
   • Ground (GND): Connect this pin to the common ground.
   • Output (OUT): Connect the load to this pin.

2. Capacitor Requirements:

   • Input Capacitor: A 0.33 渭F capacitor should be placed as close as possible to the input pin to stabilize the input voltage.
   • Output Capacitor: A 0.1 渭F capacitor should be connected between the output and ground to ensure stability and reduce ripple.

3. Heat Dissipation:

   • The device may require a heatsink if it is operating at high current levels or in high ambient temperatures. Ensure the thermal resistance is within safe limits to prevent overheating.

4. Overvoltage Protection:

   • To protect the regulator from overvoltage conditions, consider using a zener diode or a transient voltage suppressor (TVS) diode on the input side.

5. Short-Circuit Protection:

   • The 7910CQ has internal short-circuit protection, but it is advisable to use external fuses or current-limiting resistors to provide additional protection.

6. Mounting:

   • When mounting the device, ensure that the leads are bent carefully to avoid damaging the component. Use a heat sink compound if a heatsink is required for better thermal performance.

7. Handling:

   • Handle the device with care to avoid static damage. Use proper ESD (Electrostatic Discharge) precautions when handling the component.

8. Testing:

   • Before connecting the regulator to the final circuit, test it on a breadboard or a prototype board to ensure it is functioning correctly.

By following these instructions, you can ensure the reliable operation of the 7910CQ negative voltage regulator in your application.

(For reference only)