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

Image representative of range

View all Voltage Controllers
Bulk discount available

Subtotal (1 pack of 5 units)*

R 181,48

(exc. VAT)

R 208,70

(inc. VAT)

Add to Basket
Select or type quantity
Orders below R 1 500,00 (exc. VAT) cost R 120,00.
In Stock
  • 15 unit(s) ready to ship from another location
  • Plus 1,620 unit(s) shipping from 13 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 - 5R 36.296R 181.48
10 - 45R 35.388R 176.94
50 - 95R 34.326R 171.63
100 - 495R 32.952R 164.76
500 +R 31.634R 158.17

*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

Current Conversion Type

DC-DC

Output Voltage

0.765/34 V

Switching Frequency

1.5MHz

Mount Type

Surface

Package Type

SOT-23

Pin Count

6

Output Current

0.3A

Maximum Duty Cycle

87%

Height

1.1mm

Length

3.05mm

Standards/Approvals

RoHS

Width

3.05 mm

Series

LMR14203

Automotive Standard

No

Minimum Input Voltage

4.5V

Maximum Input Voltage

42V

Maximum Operating Temperature

125°C

Minimum Operating Temperature

-40°C

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