78L12 WS TO-92
78L12 WS TO-92

 

78L12 WS TO-92

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Category: Available (Qty:9999999)
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Description

BUY 78L12 WS TO-92 https://www.utsource.net/itm/p/11724666.html

Parameter Description Value
Part Number Component Identifier 78L12 WS
Package Type Physical Package TO-92
Output Voltage (Vout) Regulated Output Voltage 12 V
Input Voltage Range (Vin) Operating Input Voltage Range 14.5 V to 25 V
Output Current (Iout) Maximum Continuous Output Current 100 mA
Quiescent Current (Iq) Typical Quiescent Current at No Load 8 mA
Line Regulation Change in Output Voltage with Respect to Input Voltage 0.01% / V
Load Regulation Change in Output Voltage with Respect to Load Current 0.1% / 10 mA
Dropout Voltage (Vdo) Minimum Input-to-Output Voltage Difference for Regulation 2 V
Operating Temperature Range (Tamb) Ambient Operating Temperature Range -40掳C to +85掳C
Storage Temperature Range (Tstg) Storage Temperature Range -65掳C to +150掳C
Thermal Resistance (胃JA) Junction-to-Ambient Thermal Resistance 150 掳C/W

Instructions for Use:

  1. Power Supply Connection:

    • Connect the input voltage (Vin) to the middle pin (Pin 2).
    • Connect the output voltage (Vout) to the right pin (Pin 3).
    • Ground (GND) should be connected to the left pin (Pin 1).

  2. Capacitors:

    • Place a 0.33 渭F capacitor between the input and ground close to the regulator.
    • Place a 0.1 渭F capacitor between the output and ground close to the regulator.

  3. Heat Dissipation:

    • The 78L12 WS is designed to operate without a heatsink for typical applications. However, if the power dissipation exceeds 150 mW, consider using a heatsink or improving airflow.

  4. Input Filtering:

    • Ensure that the input voltage is clean and stable. Use appropriate filtering if the input source is noisy.

  5. Output Stability:

    • The output capacitors help stabilize the output voltage. Ensure they are of good quality and rated for the operating temperature range.

  6. Transient Protection:

    • Consider adding transient protection diodes to protect the regulator from voltage spikes.

  7. Mounting:

    • Mount the regulator in a position where it can dissipate heat effectively. Avoid placing it near heat sources or in enclosed spaces without adequate ventilation.

  8. Testing:

    • Before finalizing the design, test the regulator under all expected operating conditions to ensure reliable performance.
(For reference only)

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