Texas Instruments LM78S40CN/NOPB 5 PWM Controller, 100 kHz 14 V 16-Pin, MDIP

This image is representative of the product range

Bulk discount available

Subtotal (1 pack of 5 units)*

$15.78

(exc. GST)

$17.36

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • Plus 65 unit(s) shipping from 02 February 2026
  • Plus 270 unit(s) shipping from 09 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 - 20$3.156$15.78
25 +$2.596$12.98

*price indicative

Packaging Options:
RS Stock No.:
460-960
Mfr. Part No.:
LM78S40CN/NOPB
Brand:
Texas Instruments
Find similar products by selecting one or more attributes.
Select all

Brand

Texas Instruments

Maximum Switching Frequency

100kHz

Product Type

PWM Controller

Start-up Supply Current

1.8mA

Output Voltage

40 V

Supply Current

1.8mA

Zero Power Detection

No

Output Current

1.2A

Number of Outputs

5

Mount Type

Through Hole

Minimum Supply Voltage

2.7V

Package Type

MDIP

Topology

Buck

Maximum Supply Voltage

14V

Pin Count

16

Maximum Duty Cycle

88%

Minimum Operating Temperature

0°C

Maximum Operating Temperature

70°C

PWM Controller Type

Voltage Mode

Width

6.35 mm

Length

19.05mm

Height

3.3mm

Series

LM

Standards/Approvals

No

Automotive Standard

No

Step-Down DC/DC Converters (Integrated Switch) over 35V Input Max., Texas Instruments


DC/DC Switching Regulator Converters (Integrated Switch), Texas Instruments


The range of highly integrated high-efficiency switching voltage regulators from Texas Instruments includes Step-up (Boost), Step-down (Buck), Step-up/down (Boost/Buck) and Inverting types providing efficient solutions for every DC Voltage Regulator application.

Related links