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LMR34215SC5QRNXRQ1 The LMR34215SC5QRNXRQ1 is a synchronous step-down DC/DC converter from Texas Instruments. It offers a 1.5A output current and operates over a wide input voltage range.
Mfr Part #:

LMR34215SC5QRNXRQ1

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The LMR34215SC5QRNXRQ1 is a synchronous step-down DC/DC converter from Texas Instruments. It offers a 1.5A output current and operates over a wide input voltage range.
✓ Total Stock: 2,740 pcs
$ Price Range: $1.22

LMR34215SC5QRNXRQ1 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,530 pcs
On Request
1530 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
1,210 pcs
On Request
1210 pcs On Request 1 On Request On Request 22+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LMR34215SC5QRNXRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Efficiency
Features
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Quiescent Current
Supplier Device Package
Synchronous Rectifier
Termination Style
Topology
Voltage
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LMR34215SC5QRNXRQ1 Description

Short technical summary and product information.

The Texas Instruments LMR34215SC5QRNXRQ1 is an easy-to-use, synchronous, step-down DC/DC converter designed for automotive applications. It delivers output current over a wide input voltage range of 4.2 V to 42 V.

 

Key electrical specifications include a maximum output current of 1.5A and a switching frequency option of up to 2.1 MHz. The device features low power dissipation with up to 93% efficiency and a low operating quiescent current of 24 µA. It is optimized for ultra-low EMI requirements, meeting the CISPR25 class 5 standard.

 

The converter is housed in a small 2-mm x 3-mm VQFN package with wettable flanks, suitable for surface mounting. It operates within an ambient temperature range of -40°C to +125°C and a junction temperature range of -40°C to +150°C. The device is AEC-Q100 qualified for automotive applications and is functional safety-capable.

 

This regulator is suited for scalable power supplies and is pin-compatible with other LMR360xx-Q1 and LMR336xx-Q1 series converters, facilitating design flexibility.

LMR34215SC5QRNXRQ1 Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: LMR34215-Q1 Synchronous Step-Down DC/DC Converter
Subcategory: Power Management

LMR34215SC5QRNXRQ1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LMR34215SC5QRNXRQ1 Estimated Pricing

Qty Low High
1+ $1.22 $1.22

Estimated market price range - modelled values for guidance only, not live distributor offers.

LMR34215SC5QRNXRQ1 Features

  • Synchronous step-down DC/DC converter
  • Wide 4.2V to 42V input voltage range
  • 1.5A maximum output current
  • Up to 2.1MHz switching frequency
  • AEC-Q100 qualified for automotive

LMR34215SC5QRNXRQ1 Applications

  • Used in automotive power supply circuits.
  • Ideal for industrial sensor and actuator supplies.
  • Suitable for battery-powered equipment requiring step-down.
  • Provides efficient point-of-load regulation in IoT devices.
  • Can power microcontrollers and SoCs in compact designs.

LMR34215SC5QRNXRQ1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LMR34215SC5QRNXRQ1?

4.2 V to 42 V.

What is the output voltage range?

3.3 V to 40 V.

What is the package type of the LMR34215SC5QRNXRQ1?

12-VQFN-HR (3x2) package, 2 mm x 3 mm.

What is the operating temperature range?

Junction temperature: -40°C to +150°C; ambient temperature: -40°C to +125°C.

What is the switching frequency range?

400 kHz to 2.1 MHz.

What is the typical efficiency?

93% at 12 V input, 5 V output, 1 A load, 400 kHz.

Does the device have synchronous rectification?

Yes, it features synchronous rectification.

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