LM78S40CN/NOPB representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN18 sourced attributes1 source document

Texas Instruments · exact orderable part

LM78S40CN/NOPB

IC REG BUCK BST ADJ 1.5A 16DIP

Function
Step-Up, Step-Down
Topology
Buck, Boost
Voltage - Input (Min)
2.5V
Voltage - Input (Max)
40V
Voltage - Output (Min/Fixed)
1.25V
Output Type
Adjustable
Current - Output
1.5A (Switch)
Frequency - Switching
100Hz ~ 100kHz
Synchronous Rectifier
No
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / case16-DIP (0.300", 7.62mm)
Mounting typeThrough Hole
PackingTube

Technical parameters

Technical specifications

LM78S40CN/NOPB technical parameters
ParameterValue
Current - Output1.5A (Switch) [1]
Base Product NumberLM78S40 [1]
Frequency - Switching100Hz ~ 100kHz [1]
FunctionStep-Up, Step-Down [1]
MfrTexas Instruments [1]
Mounting TypeThrough Hole [1]
Number of Outputs1 [1]
Operating Temperature0°C~70°C(TA) [1]
Output ConfigurationPositive or Negative [1]
Output TypeAdjustable [1]
Product StatusActive [1]
Synchronous RectifierNo [1]
TopologyBuck, Boost [1]
Voltage - Input (Max)40V [1]
Voltage - Input (Min)2.5V [1]
Voltage - Output (Min/Fixed)1.25V [1]
Voltage - Output (Max)40V (Switch) [1]
Package / Case16-DIP (0.300", 7.62mm) [1]

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