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

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Subtotal (1 pack of 5 units)*

HK$112.30

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Last RS stock
  • Plus 10 unit(s) shipping from 11 May 2026
  • Final 1,620 unit(s) shipping from 18 May 2026

Units
Per unit
Per Pack*
5 - 60HK$22.46HK$112.30
65 - 120HK$21.90HK$109.50
125 +HK$21.56HK$107.80

*price indicative

Packaging Options:
RS Stock No.:
811-5844
Mfr. Part No.:
LMR14203XMKE/NOPB
Manufacturer:
Texas Instruments
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Brand

Texas Instruments

Product Type

Step Down Buck Controller

Sub Type

Step Down Buck Controller

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%

Standards/Approvals

RoHS

Series

LMR14203

Length

3.05mm

Height

1.1mm

Maximum Operating Temperature

125°C

Minimum Operating Temperature

-40°C

Minimum Input Voltage

4.5V

Automotive Standard

No

Maximum Input Voltage

42V

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.

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