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Linear Voltage Regulator IC Positive Fixed 1 Output 100mA TO-92-3

ISO14001 ISO9001 DUNS

Brands: ST

Mfr.Part #: L78L05ACZ

Datasheet: L78L05ACZ Datasheet (PDF)

Package/Case: TO-92

RoHS Status:

Stock Condition: 5,940 pcs, New Original

Product Type: Voltage Regulators , Linear, Low Drop Out Regulators

Warranty: 1 Year Ovaga Warranty - Find Out More


*All prices are in USD

Qty Unit Price Ext Price
5 $0.073 $0.365
50 $0.057 $2.850
150 $0.049 $7.350
500 $0.043 $21.500
2500 $0.038 $95.000
5000 $0.036 $180.000

In Stock: 5,940 PCS

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Quick Quote

Please submit RFQ for L78L05ACZ or email to us: Email: [email protected], we will contact you within 12 hours.

L78L05ACZ General Description

The L78L05ACZ is a reliable choice for your voltage regulation needs, offering a robust and efficient solution for maintaining a steady 5V output. Its 3-terminal fixed positive design simplifies the circuitry layout and ensures consistent performance. The regulator's temperature range of 0°C to +125°C allows for operation in various conditions, making it suitable for a wide range of applications


  • Ultra-low noise and ripple-free output
  • Output voltages from 1.8V to 5V
  • Fully protected against overcurrent and short-circuit


Parameter Value Parameter Value
Product Status Active Output Configuration Positive
Output Type Fixed Number of Regulators 1
Voltage - Input (Max) 30V Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) - Voltage Dropout (Max) -
Current - Output 100mA Current - Quiescent (Iq) 5.5 mA
Current - Supply (Max) 6 mA PSRR 49dB (120Hz)
Control Features - Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA)


Shipping Type Ship Fee Lead Time
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UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

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Terms of payment Hand Fee
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Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Part points

  • The L78L05ACZ is a voltage regulator integrated circuit that provides a stable 5V output voltage. It is commonly used in electronic devices to regulate the input voltage and protect the components from overvoltage or fluctuations. The chip is available in a TO-92 package and can handle a maximum input voltage of 35V with a current output of up to 100mA.
  • Equivalent

    The equivalent products of L78L05ACZ chip include LM7805, MC7805, and UA7805. These are all voltage regulators with similar characteristics and functionality to the L78L05ACZ.
  • Features

    1. Voltage regulator with an output voltage of 5V 2. Maximum output current of 100 mA 3. Low drop voltage 4. Thermal protection 5. Output voltage tolerance of ±5% 6. TO-92 package for easy mounting 7. Operating temperature range of 0°C to 125°C
  • Pinout

    L78L05ACZ is a fixed linear voltage regulator with a pin count of 3. Pin 1 is the input (Vin), pin 2 is the ground (GND), and pin 3 is the output (Vout) providing a fixed 5V output voltage. It is commonly used to provide a stable power supply in various electronic circuits.
  • Manufacturer

    L78L05ACZ is manufactured by STMicroelectronics, a multinational semiconductor company based in Switzerland. STMicroelectronics primarily focuses on designing, manufacturing, and marketing a range of semiconductor products, including integrated circuits, microcontrollers, power transistors, and sensors for various industries such as automotive, industrial, consumer electronics, and telecommunications.
  • Application Field

    The L78L05ACZ is a voltage regulator capable of supplying a fixed 5V output. It is commonly used in applications such as consumer electronics, computer peripherals, power supplies, and embedded systems where a stable voltage supply is required to power various components and circuits.
  • Package

    The L78L05ACZ chip is a positive voltage regulator with a TO-92 package type. It has a fixed output voltage of 5V and a 3-pin configuration. The chip measures approximately 4.6mm x 3.7mm x 4.6mm in size.

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