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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The L4938ED and L4938EPD are monolithic integrated dual voltage regulators with two very low dropout outputs and additional functions such as power-on reset and input voltage sense. They are designed for supplying microcomputer controlled systems especially in automotive applications.
**Key Features**
Output 2 voltage 5 V ± 2% with 400 mA current capability (ADJ wired to VOUT2 )
High precision standby output voltage 5 V ± 1% with 100 mA current capability
Output 2 disable function for standby mode
Enable and sense inputs (EN, SI) protected against negative transients down to -5 V
Extremely low quiescent current, 65 μA (less than 90 μA) in standby mode
Reset threshold adjustable from 3.8 V to 4.7 V
Operating transient supply voltage up to 40 V
Output 2 voltage adjustable by external voltage divider
Operating DC supply voltage range 5 V - 28 V

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L4938EPD Specifications

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charges, duties and taxes.
- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
- Please confirm product specifications when ordering.
- MOQ refers to the minimum order quantity required to purchase each part.
- If you have special ordering instructions, please indicate them on the ordering page.
- Inspection (PSI) will be performed prior to shipment.
- Income Quality Control (IQC), 1000+ qualified dealers.
- Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray control
- XRF inspection
- Electrical testing
- Surface testing
-Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity

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SN:H1.60417LO41125V43Q0QC0S0

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