LM25141-Q1 datasheet(8/49 Pages) TI1

tên linh kiện	LM25141-Q1

Giải thích chi tiết về linh kiện	2.2-MHz, 42-V Synchronous Buck Controller With Low IQ

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8

LM25141-Q1

SNVSAP9 – MARCH 2017

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Electrical Characteristics (continued)

TJ = –40°C to +125°C, Typical values TJ = 25°C, VIN = 12 V, VCCX = 5 V, VOUT = 5 V, EN = 5 V, OSC = VDD, FSW = 2.2

MHz, no-load on the Drive Outputs (HO, HOL, LO, and LOL outputs), over operating free-air temperature range (unless

otherwise noted)

(1)(2)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIH

Enable input high threshold

VCCX = 0 V

2.0

V

IIkg

Leakage

EN logic input only

1

µA

SYN INPUT (DEMB pin)

VIL

DEMB input low threshold

0.8

V

VIH

DEMB input high threshold

2.0

V

DEMB input low-frequency range

440 kHz

350

550

kHz

DEMB input high-frequency range

2.2 MHz

1800

2600

kHz

DITHER

IDITHER

Dither source/sink current

20

µA

VDITHER

Dither high threshold

1.26

V

Dither low threshold

1.14

V

SOFT-START

ISS

Soft-start current

16

22

28

µA

RDS(ON)

Soft-start pulldown resistance

3

Ω

THERMAL

TSD

Thermal shutdown

175

ºC

Thermal shutdown hysteresis

15

ºC

6.6 Switching Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Oscillator frequency 2.2 MHz

OSC = VDDA, VIN = 8–18 V

2100

2200

2300

kHz

Oscillator frequency 440 kHz

OSC = GND, VIN = 8–18 V

420

440

460

kHz

RT

Adjustment

range

2.2 MHz

Minimum

OSC = VDD, RTMIN = 61.9 kΩ

1710

1800

1890

kHz

Typical

OSC = VDD, RTTYP = 49.9 kΩ

2100

2200

2300

kHz

Maximum

OSC = VDD, RTMAX = 43.2 kΩ

2405

2530

2655

kHz

RT

Adjustment

range

440kHz

Minimum

OSC = GND, RTMIN = 73.2 k

285

300

315

kHz

Typical

OSC = GND, RTTYP = 49.9 kΩ

420

440

460

kHz

Maximum

OSC = GND, RTMAX = 44.2 kΩ

475

500

525

kHz

RT

Response

time

RT= 61.9–43.2 k

Ω

2

µs

RT

Response

time

RT = 43.2–61.9 k

Ω

3.5

µs

RT

Response

time

16

µs

ton

Minimum on-time

45

66

ns

toff

Minimum off-time

100

ns

Số phần tương tự - LM25141-Q1

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LM25141-Q1	2Mb / 50P	[Old version datasheet] Wide Input Range Synchronous Buck Controller
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	LM25141-Q1	2Mb / 50P	[Old version datasheet] LM25141-Q1 2.2-MHz, 42-V Synchronous Buck Controller With Low IQ
	LM25141-Q1	5Mb / 53P	[Old version datasheet] LM25148-Q1 42-V Automotive Synchronous Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum
	LM25141-Q1	5Mb / 67P	[Old version datasheet] LM5148-Q1 80-V, Automotive, Synchronous, Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum FEBRUARY 2023

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Mô tả tương tự - LM25141-Q1

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LM25141-Q1	2Mb / 50P	[Old version datasheet] LM25141-Q1 2.2-MHz, 42-V Synchronous Buck Controller With Low IQ
	LM25143-Q1	3Mb / 70P	[Old version datasheet] LM25143-Q1 Automotive 3.5-V to 42-V Dual Synchronous Buck Controller With Low IQ MAY 2022
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	TPS43350-Q1	1Mb / 33P	[Old version datasheet] LOW IQ, DUAL SYNCHRONOUS BUCK CONTROLLER
	LM25149	2Mb / 49P	[Old version datasheet] LM25149 42-V Synchronous Buck DC/DC Controller with Ultra-Low IQ and Integrated Active EMI Filter
	LM25148	5Mb / 64P	[Old version datasheet] LM25148 42-V Synchronous Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum DECEMBER 2021
Linear Technology	LTC7813	1Mb / 42P	Low IQ, 60V Synchronous BoostBuck Controller
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