Texas Instruments UC3842AD8, PWM Current Mode Controller, 1 A, 500 kHz SOIC 8-Pin

Enrgtech Part No: ET14015920
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Manufacturer Part No:
UC3842AD8
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Manufacturer: Texas Instruments

UC3842AD8 Texas Instruments , PWM Current Mode Controller, 1 A, 500 kHz SOIC 8-Pin

Product Information

Number of Outputs:

Rise Time:

50ns

Output Current:

1 A

Dimensions:

4.9 x 3.91 x 1.58mm

Mounting Type:

Surface Mount

Minimum Operating Temperature:

0 °C

Control Method:

Current

Maximum Switching Frequency:

500 kHz

Height:

1.58mm

Width:

3.91mm

Length:

4.9mm

Package Type:

SOIC

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The UC3842AD8 PWM current-mode controller, supplied in a compact 8-pin SOIC package, is engineered to enhance the efficiency and reliability of your power supply and DC–DC converter systems. With a maximum switching frequency (500 kHz), 1 A output drive, and support for versatile topologies such as boost, buck, flyback, and forward converters, it delivers high-speed control and responsive performance. RoHS-compliant and designed to operate within a standard temperature range, it strikes a balance between ruggedness and precision. Its low-current operation, precise timing, and compact form factor make it an excellent choice for developers targeting cost-effective and high-performance power solutions.

What Benefits Do You Get?

By choosing the UC3842AD8, you benefit from:

High-speed switching performance – A switching frequency of up to 500 kHz enables the use of smaller passive components and more compact designs.
Robust current-mode control – Ensures tight regulation and protects against overloads (pulse‑by‑pulse current limiting, UVLO).
Low-power operation – Minimal start-up and operating current saves energy and improves system efficiency.
Adaptive compensation built in – Features like automatic feed‑forward and slope compensation simplify design and improve stability.
Flexible application compatibility – Suits a wide array of converters (boost, buck, flyback, forward) across industrial and consumer electronics.
Manufacturing and supply chain reliability – RoHS‑compliant and packaged in tube format with MSL‑1 classification (unlimited shelf life), ideal for mass‑production readiness.

Product Functional Highlights:

1 A totem‑pole output drive
Rise and fall times of 50 ns
Max switching frequency: 500 kHz
100% maximum duty cycle
Supports boost, buck, flyback, and forward converter topologies
Surface‑mount SOIC‑8 package (dimensions: 4.9 × 3.91 × 1.58 mm).

Product Information Sheet(Technical Reference)

Mult Devices Font 21/Apr/2018(PCN Design/Specification)

UCYYY 13/DEC/2017(PCN Design/Specification)

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Yes. Our products in DC DC Switching Controllers category are shipped in lowest possible time.

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