TPS54540B

Name: TPS54540B
Brand: TI
SKU: TPS54540B
Price: 2.033 USD

활성

Eco-mode™를 지원하는 4.5~42V 입력, 5A, 스텝다운 컨버터

지금 주문

데이터 시트

document-pdfAcrobat TPS54540B 4.5-V to 42-V Input, 5-A step-down dc/dc converter with Eco-mode™ datasheet (영어) PDF | HTML

이 제품의 최신 버전이 있습니다

open-in-new

대안 비교

다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능

LMR51450

활성

36V, 5A 동기식 벅 컨버터 Smaller solution size, higher efficiency and lower EMI.

TPSM63606

활성

5mm x 5.5mm 향상된 HotRod™ QFN의 고밀도 36V 입력, 1V~16V 출력, 6A 전원 모듈 Save board space, simplify design, and speed up time to market with an integrated-inductor power module.

TPS54540B

활성

데이터 시트

지금 주문

제품 상세 정보

Rating

Catalog

Operating temperature range (°C)

-40 to 150

Topology

Buck

Type

Converter

Iout (max) (A)

5

Vin (min) (V)

4.5

Vin (max) (V)

42

Switching frequency (min) (kHz)

100

Switching frequency (max) (kHz)

2500

Features

Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Wettable flanks package

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

41.1

Iq (typ) (µA)

146

Duty cycle (max) (%)

98

Rating

Catalog

Operating temperature range (°C)

-40 to 150

Topology

Buck

Type

Converter

Iout (max) (A)

5

Vin (min) (V)

4.5

Vin (max) (V)

42

Switching frequency (min) (kHz)

100

Switching frequency (max) (kHz)

2500

Features

Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Wettable flanks package

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

41.1

Iq (typ) (µA)

146

Duty cycle (max) (%)

98

HSOIC (DDA)

8

29.4 mm² 4.9 x 6

High efficiency at light loads with pulse skipping Eco-mode™
92-mΩ high-side MOSFET
146-µA operating quiescent current and
2-µA shutdown current
100-kHz to 2.5-MHz Fixed switching frequency
Synchronizes to external clock
Low dropout at light loads with integrated BOOT recharge FET
Adjustable UVLO and hysteresis
0.8 V 1% Internal voltage reference
8-Pin HSOIC with PowerPAD™ package
–40°C to 150°C T_J operating range
Create a custom design using the TPS54540B with the WEBENCH® Power Designer

High efficiency at light loads with pulse skipping Eco-mode™
92-mΩ high-side MOSFET
146-µA operating quiescent current and
2-µA shutdown current
100-kHz to 2.5-MHz Fixed switching frequency
Synchronizes to external clock
Low dropout at light loads with integrated BOOT recharge FET
Adjustable UVLO and hysteresis
0.8 V 1% Internal voltage reference
8-Pin HSOIC with PowerPAD™ package
–40°C to 150°C T_J operating range
Create a custom design using the TPS54540B with the WEBENCH® Power Designer

The TPS54540B is a 42-V, 5-A step-down regulator with an integrated high side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces no-load-supply current to 146 µA. Shutdown supply current is reduced to 2 µA when the EN (enable) pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can be increased using the EN pin. Output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot.

A wide switching frequency range allows either efficiency or external component size to be optimized. Output current is limited cycle-by-cycle. Frequency foldback and thermal shutdown protects internal and external components during an overload condition.

The TPS54540B is available in an 8-pin thermally enhanced HSOIC PowerPAD package.

The TPS54540B is a 42-V, 5-A step-down regulator with an integrated high side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces no-load-supply current to 146 µA. Shutdown supply current is reduced to 2 µA when the EN (enable) pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can be increased using the EN pin. Output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot.

A wide switching frequency range allows either efficiency or external component size to be optimized. Output current is limited cycle-by-cycle. Frequency foldback and thermal shutdown protects internal and external components during an overload condition.

The TPS54540B is available in an 8-pin thermally enhanced HSOIC PowerPAD package.

filter

기타 AC/DC 및 DC/DC 컨버터(통합 FET) 찾기

다운로드 스크립트와 함께 비디오 보기 동영상

관심 가지실만한 유사 제품

open-in-new

대안 비교

비교 대상 장치와 유사한 기능

LMR51440

활성

36V, 4A 동기식 벅 컨버터 Newer device with smaller solution size and improved power density

기술 자료

star

=TI에서 선정한 이 제품의 인기 문서

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2개 모두 보기

	유형	직함		날짜
*	Data sheet	TPS54540B 4.5-V to 42-V Input, 5-A step-down dc/dc converter with Eco-mode™ datasheet	PDF \| HTML	2019/01/24
	Application note	NRND & Differences TPS54340/360/540/560 and TPS54340B/360B/540B/560B		2019/04/05