Texas Instruments LMR14203XMKE/NOPB DC-DC, Step Down Buck Controller 5-Channel 6-Pin, SOT-23

This image is representative of the product range

View all Voltage Controllers

Subtotal (1 pack of 5 units)*

MYR53.66

Add to Basket
Select or type quantity
In Stock
  • 15 unit(s) ready to ship from another location
  • Plus 1,620 unit(s) shipping from 23 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per Unit
Per Pack*
5 +MYR10.732MYR53.66

*price indicative

Packaging Options:
RS Stock No.:
811-5844
Mfr. Part No.:
LMR14203XMKE/NOPB
Manufacturer:
Texas Instruments
Find similar products by selecting one or more attributes.
Select all

Brand

Texas Instruments

Product Type

Step Down Buck Controller

Sub Type

Step Down Buck Controller

Number of Outputs

5

Output Voltage

0.765/34 V

Current Conversion Type

DC-DC

Switching Frequency

1.5MHz

Mount Type

Surface

Package Type

SOT-23

Pin Count

6

Output Current

0.3A

Maximum Duty Cycle

87%

Series

LMR14203

Length

3.05mm

Standards/Approvals

RoHS

Height

1.1mm

Width

3.05 mm

Maximum Input Voltage

42V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

125°C

Automotive Standard

No

Minimum Input Voltage

4.5V

LMR Nano SIMPLE SWITCHER® Step-Down Regulator Series


Input Voltage up to 42V (LMRx42xx), 20V (LMRx20xx), and 5.5V (LMRx05xx)

Output Current up to 2A (LMRxxx20), 1.5A (LMRxxx15), 1A (LMRxxx10), etc.

Adjustable output voltage from 0.6V

1MHz or greater switching frequency of 1.6MHz (LMR.....X) and 3MHz (LMR.....Y)

Low Shutdown Quiescent Current

Internal Soft-start

Thermal Shutdown

SIMPLE SWITCHER® Regulators, Texas Instruments


Use for wide voltage inputs designs up to 75V, and a balance between ease of use and flexibility.

Related links