LM5166Y datasheet(6/53 Pages) TI1

tên linh kiện	LM5166Y

Giải thích chi tiết về linh kiện	3-V to 65-V Input, 500-mA Synchronous Buck Converter with Ultra-Low IQ

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6

LM5166

SNVSA67A – DECEMBER 2016 – REVISED DECEMBER 2016

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Electrical Characteristics (continued)

Typical values correspond to TJ = 25°C. Minimum and maximum limits are based on TJ = –40°C to +125°C. VIN = 12 V

(unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RPGOOD

PGOOD on-resistance

VFB = 1 V

80

200

Ω

VINMIN-PGOOD

Minimum required VIN for valid

PGOOD

VVIN falling

IPGOOD = 0.1 mA, VPGOOD < 0.5 V

1.2

1.65

V

IPGOOD

PGOOD off-state leakage

VFB = 1.2 V, VPGOOD = 5.5 V

10

100

nA

ENABLE / UVLO

VIN-ON

Turn-on threshold

VVIN rising

2.60

2.75

2.95

V

VIN-OFF

Turn-off threshold

VVIN falling

2.35

2.45

2.60

V

VEN-ON

EN turn-on threshold

VEN rising

1.163

1.22

1.276

V

VEN-OFF

EN turn-off threshold

VEN falling

1.109

1.144

1.178

V

VEN-HYS

EN hysteresis

76

mV

VEN-SD

EN shutdown threshold

VEN falling

0.3

0.6

V

RHYS

HYS on-resistance

VEN = 1 V

80

200

Ω

IHYS

HYS off-state leakage

VEN = 1.5 V, VHYS = 5.5 V

10

100

nA

SOFT-START

ISS

Soft-start charging current

VSS = 1 V

10

µA

TSS-INT

Soft-start rise time

SS floating

900

µs

THERMAL SHUTDOWN

TJ-SD

Thermal shutdown threshold

170

°C

TJ-SD-HYS

Thermal shutdown hysteresis

10

6.6 Switching Characteristics

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TON-MIN

Minimum on-time

180

ns

TON1

On-time

16 kΩ from RT to GND

280

ns

TON2

On-time

75 kΩ from RT to GND

1150

ns

Số phần tương tự - LM5166Y

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LM5166Y	3Mb / 53P	[Old version datasheet] 3-V to 65-V Input, 500-mA Synchronous Buck Converter with Ultra-Low
	LM5166YDRCR	3Mb / 53P	[Old version datasheet] 3-V to 65-V Input, 500-mA Synchronous Buck Converter with Ultra-Low
	LM5166YDRCT	3Mb / 53P	[Old version datasheet] 3-V to 65-V Input, 500-mA Synchronous Buck Converter with Ultra-Low

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Mô tả tương tự - LM5166Y

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Texas Instruments	LM5166	3Mb / 53P	[Old version datasheet] 3-V to 65-V Input, 500-mA Synchronous Buck Converter with Ultra-Low
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