Step1: Product
National Semiconductor LM78S40J
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Manufacturer
Manufacturer No
LM78S40J
Package
16-CDIP (0.300", 7.62mm)
Packaging
Bulk
Description
IC REG BUCK BST ADJ 1.5A 16CDIP
Detailed Description
Boost, Buck Switching Regulator IC Positive or Negative Adjustable 1.25V 1 Output 1.5A (Switch) 16-CDIP (0.300", 7.62mm)
Datasheet
Mfr
National Semiconductor
Series
LM78S40
Function
Step-Up, Step-Down
Topology
Boost, Buck
Packaging
Bulk
Output Type
Adjustable
Mounting Type
Through Hole
Package / Case
16-CDIP (0.300", 7.62mm)
Current - Output
1.5A (Switch)
Number of Outputs
1
Output Configuration
Positive or Negative
Frequency - Switching
100Hz ~ 100kHz
Operating Temperature
-55°C ~ 125°C
Synchronous Rectifier
No
Voltage - Input (Max)
40V
Voltage - Input (Min)
2.5V
Voltage - Output (Max)
40V
Supplier Device Package
16-CDIP
Voltage - Output (Min/Fixed)
1.25V
| Attribute | Value |
|---|---|
| Mfr | National Semiconductor |
| Series | LM78S40 |
| Function | Step-Up, Step-Down |
| Topology | Boost, Buck |
| Packaging | Bulk |
| Output Type | Adjustable |
| Mounting Type | Through Hole |
| Package / Case | 16-CDIP (0.300", 7.62mm) |
| Current - Output | 1.5A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive or Negative |
| Frequency - Switching | 100Hz ~ 100kHz |
| Operating Temperature | -55°C ~ 125°C |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 2.5V |
| Voltage - Output (Max) | 40V |
| Supplier Device Package | 16-CDIP |
| Voltage - Output (Min/Fixed) | 1.25V |
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Payment Method
Shipping Method
- Shipped from
- Hongkong/Shenzhen warehouse
- Estimated Ship Date
- Oct 3, 2026 - Oct 4, 2026
- Lead Time
- Contact us to confirm availability
- Shipping Fee
- Calculated based on your destination
Packages
