STMicroelectronics, L5973D Step-Down Switching Regulator, 1-Channel 2A Adjustable 8-Pin, HSOP

View all Buck Converters
Bulk discount available

Subtotal (1 pack of 5 units)*

£16.53

(exc. VAT)

£19.835

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 30 unit(s) ready to ship
  • Plus 105 unit(s) ready to ship from another location
  • Plus 1,245 unit(s) shipping from 29 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 - 5£3.306£16.53
10 - 95£2.834£14.17
100 - 495£2.754£13.77
500 - 995£2.682£13.41
1000 +£2.618£13.09

*price indicative

Packaging Options:
RS Stock No.:
380-034
Mfr. Part No.:
L5973D
Brand:
STMicroelectronics
Find similar products by selecting one or more attributes.
Select all

Brand

STMicroelectronics

Maximum Output Current

2A

Maximum Output Voltage

35 V

Regulator Function

Buck Controller

Minimum Output Voltage

1.235 V

Minimum Input Voltage

4 V

Maximum Input Voltage

36 V

Output Type

Adjustable

Mounting Type

Surface Mount

Number of Outputs

1

Maximum Switching Frequency

275 kHz

Pin Count

8

Package Type

HSOP

Switching Regulator

Yes

Line Regulation

10 mV

Load Regulation

15 mV

Maximum Operating Temperature

+150 °C

Length

5mm

Efficiency

90%

Height

1.65mm

Width

4mm

Dimensions

5 x 4 x 1.65mm

Minimum Operating Temperature

-40 °C

DC-DC Switching Converters, Step-Down Regulators, STMicroelectronics


ST’s monolithic switching regulators offer high input-voltage capability, and deliver output currents up to 4A, with high switching frequency.


Switching Voltage Regulators, STMicroelectronics

Related links