UCC28C40-Q1

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20-V-, energieeffizienter PWM-Strommodus-Controller, 7-V/6,6-V-UVLO, 100 % Tastverhältnis für die Au

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Datenblatt

document-pdfAcrobat UCC28C4x-Q1 Automotive BiCMOS Low-Power Current-Mode PWM Controllers datasheet (Rev. G) (Englisch) PDF | HTML

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UCC28C50-Q1

AKTIV

30-V-, energieeffizienter PWM-Strommodus-Controller, 7-V/6,6-V-UVLO, 100 % Tastverhältnis für die Au Higher supply voltage, lower start-up and operating current, and better efficiency.

UCC28C40-Q1

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Topology

Boost, Buck, Flyback, Forward, SEPIC

Control mode

Current

Features

Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology, Programmable max duty cycle

Duty cycle (max) (%)

100

Topology

Boost, Buck, Flyback, Forward, SEPIC

Control mode

Current

Features

Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology, Programmable max duty cycle

Duty cycle (max) (%)

100

SOIC (D)

8

29.4 mm² (4.9 mm × 6 mm)

AEC-Q100 qualified with the following results:
- Device temperature grade 1: -40⁰C to 125⁰C
- Device HBM classification level 2: ±2 kV
- Device CDM classification level C4B: 750 V
Functional Safety-Capable
- Documentation available to aid functional safety system design
Operating frequency: 1 MHz Maximum
50-µA standby current, 100-µA maximum
Low operating current of 2.3 mA at 52 kHz
Fast 35-ns cycle-by-cycle over-current limiting
±1-A peak output current
Rail-to-rail output swings with 25-ns rise and 20-ns fall times
±1% initial trimmed 2.5-V error amplifier reference
Trimmed oscillator discharge current
New undervoltage lockout versions
Create a custom design using the UCC28C4x-Q1 with the WEBENCH Power Designer

AEC-Q100 qualified with the following results:
- Device temperature grade 1: -40⁰C to 125⁰C
- Device HBM classification level 2: ±2 kV
- Device CDM classification level C4B: 750 V
Functional Safety-Capable
- Documentation available to aid functional safety system design
Operating frequency: 1 MHz Maximum
50-µA standby current, 100-µA maximum
Low operating current of 2.3 mA at 52 kHz
Fast 35-ns cycle-by-cycle over-current limiting
±1-A peak output current
Rail-to-rail output swings with 25-ns rise and 20-ns fall times
±1% initial trimmed 2.5-V error amplifier reference
Trimmed oscillator discharge current
New undervoltage lockout versions
Create a custom design using the UCC28C4x-Q1 with the WEBENCH Power Designer

The UCC28C4x-Q1 family devices are high performance current-mode PWM controllers.

The UCC28C4x-Q1 family supports a fixed-frequency, peak current-mode flyback implementation with UVLO and maximum duty-cycle limit options. UCC28C4X-Q1 can be configured with either primary-side regulation using an auxiliary winding or secondary-side regulation with the use of an opto-coupler. This family of devices features high frequency operation up to 1 MHz with low start up and operating currents, thus minimizing start up loss and operating power consumption for improved efficiency. The devices also feature a fast current sense to output delay time of 35 ns, and a ±1-A peak output current capability for driving large external MOSFETs directly.

The UCC28C4x-Q1 family is offered in the 8-pin SOIC (D) package.

The UCC28C4x-Q1 family devices are high performance current-mode PWM controllers.

The UCC28C4x-Q1 family supports a fixed-frequency, peak current-mode flyback implementation with UVLO and maximum duty-cycle limit options. UCC28C4X-Q1 can be configured with either primary-side regulation using an auxiliary winding or secondary-side regulation with the use of an opto-coupler. This family of devices features high frequency operation up to 1 MHz with low start up and operating currents, thus minimizing start up loss and operating power consumption for improved efficiency. The devices also feature a fast current sense to output delay time of 35 ns, and a ±1-A peak output current capability for driving large external MOSFETs directly.

The UCC28C4x-Q1 family is offered in the 8-pin SOIC (D) package.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	UCC28C4x-Q1 Automotive BiCMOS Low-Power Current-Mode PWM Controllers datasheet (Rev. G)	PDF \| HTML	12.09.2022
	Application brief	Designing a Robust Traction Inverter Redundant Power Supply From 800 V Battery (Rev. C)	PDF \| HTML	16.02.2023
	Informationen zur funktionalen Sicherheit	UCC28C4x-Q1 Functional Safety FIT rate, FMD, Pin FMA (Rev. A)	PDF \| HTML	14.09.2022
	Anwendungshinweis	High Density Auxiliary Power Supply Using a SiC MOSFET for 800-V Traction Invert	PDF \| HTML	06.07.2022
	Auswahlhilfe	UCC28C4X-Q1 selection guide for automotive isolated DC/DC aux power applications		07.06.2019

Design und Entwicklung

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