# L4940V5 STMicroelectronics | Integrated Circuits (ICs) | DigiKey

**Manufacturer:** STMicroelectronics  
**MPN:** `L4940V5`

The STMicroelectronics L4940V5 is a 1.5 A, 5 V fixed output voltage low-dropout (VLDO) regulator in a TO-220 flange mount package. It operates over a temperature range of -40 to +150°C and has a quiescent current of 50 mA. The regulator has a maximum dropout voltage of 900 mV and a maximum output current of 500 mA.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMicroelectronics |
| Manufacturer name | STMicroelectronics |
| Manufacturer | STMicroelectronics, ST MICRO, ST MICROELECTRONICS, ST Microelectronics, STMICROELECTRONICS |
| Extra Product Name | L4940V5 STMicroelectronics \| Integrated Circuits (ICs) \| DigiKey |
| atoms | 1 |
| moq | 1 |
| MPN | L4940V5 |
| multiple | 1 |
| qtyInStock | 3725 |
| SKU | 497-1404-5-ND |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 100 |
| tierMinQty5 | 250 |
| tierMinQty6 | 500 |
| tierMinQty7 | 1,000 |
| tierMinQty8 | 2,500 |
| tierMinQty9 | 5,000 |
| tierPrice1 | 1.51000 |
| tierPrice2 | 1.35100 |
| tierPrice3 | 1.28240 |
| tierPrice4 | 0.98470 |
| tierPrice5 | 0.87020 |
| tierPrice6 | 0.82440 |
| tierPrice7 | 0.64120 |
| tierPrice8 | 0.60914 |
| tierPrice9 | 0.58624 |
| Part Number | L4940V5 |
| Category | Integrated Circuits (ICs) |
| Mfr | STMicroelectronics |
| Series | - |
| Package | Tube |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Voltage - Input (Max) | 17V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.9V @ 1.5A |
| Current - Output | 1.5A |
| PSRR | 68dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40?C ~ 150?C |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220AB |
| Number of Regulators | 1 |
| Current - Quiescent (Iq) | 8 mA |
| Current - Supply (Max) | 50 mA |
| ASIN | B00AZVB99U, B00LPJCA62, B00LPJCDHI, B00LQS7JO0, B00MMUQ3Z2, B00MMUQ6NG, B00MMZDFKI, B00MMZDHZG, B00MMZDJ7W, B00UOAEP34, B0160NQ9P0, B01MZAQWFB, B07322G4JC, B07ND4LNDL, B09D3ZXGRB |
| AdultProduct | False |
| Amount | 6.25 |
| Asin | B00AZVB99U, B00LPJCA62, B00LPJCBT8, B00LPJCDHI, B00LPJCG0M, B00LQS7JO0, B00MMUQ3Z2, B00MMUQ6NG, B00MMZDFKI, B00MMZDHZG, B00MMZDJ7W, B00UOAEP34, B0160NQ9P0, B01MZAQWFB, B07322G4JC, B07ND4LNDL, B09D3ZXG |
| Aspect | exception, proper_shipping_name, transportation_regulatory_class |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |
| Binding | Electronics, Misc. |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 497-1404-5-ND | 1.51 | 1 | 3725 | 1 |
| Newark | 89K0746 |  |  | None | 1 |
| MCM Electronics | 115-L4940V5 | 0.33 | 1 | None | 1 |
| Jameco | 1389337 |  |  | None | 1 |
| Newark | 72K7178 | 2.67 | 1 | 1071 | 1 |
| Radwell | L4940V5 | 0.97 | 1 | 32 | 1 |
| Little Diode | L4940V5 | 17.8217325 | 1 | 116 | 1 |
| 1Source | L4940V5 |  |  | None | 1 |
| Freelance Electronics | L4940V5 | 0.36934 | 1 | 7 | 1 |
| Win Source | L4940V5 |  |  | 16222 | 1 |
| Hotenda | H2801004 | 1.57 | 1 | None | 1 |
| RS Delivers | 168-6058 |  |  | None | 1 |
| Newark | 26AC1685 |  |  | None | 1 |
| TME | L4940V5 |  |  | None | 1 |
| Future Electronics | 6867246 |  |  | None | 1 |
| 4 Star Electronics | L4940V5 |  |  | None | 1 |
| AmazonTP | B00AZVB99U | 19.99 | 1 | None | 1 |
| AmazonTP | B07322G4JC | 29.74 | 1 | None | 1 |
| AmazonSC | B00MMZDHZG |  |  | None | 1 |
| Digi-Key | 585925 | 2.904 | 1 | None | 1 |
| Arrow | L4940V5 | 1.15 | 1 | 6 | 1 |
| RS Delivers | 298-8491 | 2.55 | 1 | 124 | 1 |
| componentsense.com | L4940V5 |  |  | 48 | 1 |
| RS Delivers | 298-8491P | 2.53 | 1 | 1572 | 1 |
| ebay.com_myparts1111 | L4940V5 | 8.84 | 1 | None | 1 |

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