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5,000 pcs
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5000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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50 pcs
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50 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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39 pcs
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39 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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10 pcs
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10 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The LM78S40CN from Texas Instruments is a versatile monolithic regulator subsystem designed for switching regulator applications. It supports step-up, step-down, and inverting configurations, offering an adjustable output voltage range from 1.245V to 40V.
This device features a 1.5A switch current capability and operates with an input voltage range of 2.5V to 40V. It includes a temperature-compensated voltage reference, a duty-cycle controllable oscillator with active current limit, an error amplifier, a high-current output switch, and a power diode. The LM78S40CN is suitable for applications requiring low standby power dissipation and high efficiency.
Packaged in a 16-PDIP through-hole configuration, the LM78S40CN is designed for ease of integration into various electronic systems. Its wide supply voltage range and adjustable output make it a flexible solution for power management needs.
Key electrical characteristics include a maximum input voltage of 40V, a minimum input voltage of 2.5V, and an adjustable output voltage up to 40V. The switching frequency can range from 100Hz to 100kHz, and it operates within a temperature range of 0°C to 70°C.
| Qty | Low | High |
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| 1+ | $0.16 | $0.16 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 2.5V minimum to 40V maximum.
The output voltage is adjustable from 1.245V to 40V.
The LM78S40CN is available in a 16-pin PDIP (0.300", 7.62mm) through-hole package, also known as supplier package 16-PDIP.
The operating temperature range is 0°C to 70°C.
The switching frequency is 100kHz.
The maximum switch current is 1.5A.
The LM78S40CN supports both positive and negative output configurations.