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Product Overview
Digi-Key Part Number LM78S40CN/NOPB-ND
Quantity Available 3,145
Can ship immediately

Factory Stock ?: 2,650

Manufacturer Part Number


Description Buck, Boost Switching Regulator IC Positive or Negative Adjustable 1.25V 1 Output 1.5A (Switch) 16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 6 Weeks
Documents & Media
Datasheets LM78S40
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Catalog Page 1108 (UK2011-EN PDF)
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Voltage Regulators - DC DC Switching Regulators


Texas Instruments

Series -
Packaging ? Tube ?
Part Status Active
Function Step-Up, Step-Down
Output Configuration Positive or Negative
Topology Buck, Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.5V
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 1.25V
Voltage - Output (Max) 40V (Switch)
Current - Output 1.5A (Switch)
Frequency - Switching 100Hz ~ 100kHz
Synchronous Rectifier No
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Through Hole
Package / Case 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-PDIP
Additional Resources
Standard Package ? 25
Other Names *LM78S40CN/NOPB

09:22:53 10/24/2016

Price & Procurement

All prices are in GBP.
Price Break Unit Price Extended Price
1 1.29000 1.29
10 1.16200 11.62
100 0.93360 93.36
500 0.76704 383.52
1,000 0.63554 635.54

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