Details

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BUY LM19CIZ https://www.utsource.net/itm/p/12609906.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	2.7		15	V
Output Current	Iout	Continuous		40		mA
Thermal Shutdown	Tshut			160		掳C
Quiescent Current	IQ	Vcc = 5V		3.5		mA
Dropout Voltage	Vdo	Iout = 50mA		800		mV
Power Dissipation	Pd	Tc = 25掳C		900		mW
Operating Temperature	Topr		-40		85	掳C

Instructions for LM19CIZ:

1. Power Supply Connections:

   • Connect the positive supply voltage (Vcc) to the input pin.
   • Ensure the supply voltage is within the specified operating range of 2.7V to 15V.

2. Output Configuration:

   • The output pin should be connected to the load requiring a regulated voltage.
   • The maximum continuous output current should not exceed 40mA.

3. Thermal Considerations:

   • Monitor the device temperature to avoid exceeding 160掳C, which triggers thermal shutdown.
   • For applications with high power dissipation, ensure adequate heat sinking or cooling.

4. Quiescent Current Management:

   • Be aware that the quiescent current at 5V supply is typically 3.5mA, affecting overall efficiency in low-power systems.

5. Dropout Voltage Awareness:

   • Keep in mind the dropout voltage of approximately 800mV at 50mA output current when designing the power supply circuit.

6. Operating Temperature Range:

   • Ensure the device operates within the temperature range of -40掳C to 85掳C to maintain reliable performance.

7. Power Dissipation Limits:

   • Do not exceed 900mW power dissipation at 25掳C ambient temperature to prevent overheating.

8. Capacitor Selection:

   • Use appropriate input and output capacitors as recommended by the manufacturer to stabilize the regulator and filter noise.

(For reference only)