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

This image is representative of the product range

View all PWM
Bulk discount available

Subtotal (1 pack of 5 units)*

$18.91

(exc. GST)

$20.80

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • 65 unit(s) ready to ship from another location
  • Plus 20 unit(s) shipping from 06 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 - 20$3.782$18.91
25 +$3.11$15.55

*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

Product Type

PWM Controller

Maximum Switching Frequency

100kHz

Start-up Supply Current

1.8mA

Supply Current

1.8mA

Output Voltage

40 V

Output Current

1.2A

Zero Power Detection

No

Number of Outputs

5

Mount Type

Through Hole

Package Type

MDIP

Minimum Supply Voltage

2.7V

Pin Count

16

Maximum Supply Voltage

14V

Topology

Buck

Maximum Duty Cycle

88%

Minimum Operating Temperature

0°C

PWM Controller Type

Voltage Mode

Maximum Operating Temperature

70°C

Width

6.35 mm

Series

LM

Standards/Approvals

No

Length

19.05mm

Height

3.3mm

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