LM5574 datasheet(5/28 Pages) TI

tên linh kiện	LM5574

Giải thích chi tiết về linh kiện	LM5574-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (??0째C to 125째C Operating Junction Temperature)

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LM5574, LM5574-Q1

www.ti.com

SNVS478F – JANUARY 2007 – REVISED APRIL 2013

Electrical Characteristics (continued)

Specifications with standard typeface are for TJ = 25°C, and those with boldface type apply over full Operating Junction

Temperature range. VIN = 48V, RT = 32.4kΩ unless otherwise stated.

(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

ERROR AMPLIFIER

Feedback Voltage

Vfb = COMP

1.207

1.225

1.243

V

FB Bias Current

17

nA

DC Gain

70

dB

COMP Sink / Source Current

3

mA

Unity Gain Bandwidth

3

MHz

DIODE SENSE RESISTANCE

DSENSE

250

m

Ω

THERMAL SHUTDOWN

Tsd

Thermal Shutdown Threshold

165

°C

Thermal Shutdown Hysteresis

25

°C

THERMAL RESISTANCE

θJC

Junction to Case

30

°C/W

θJA

Junction to Ambient

90

°C/W

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Texas Instruments	LM5574	881Kb / 28P	[Old version datasheet] LM5574/LM5574-Q1 SIMPLE SWITCHER짰 75V, 0.5A Step-Down Switching Regulator
	LM5574	911Kb / 28P	[Old version datasheet] SIMPLE SWITCHER짰 75V, 0.5A Step-Down Switching Regulator
	LM5574	966Kb / 29P	[Old version datasheet] LM5574/LM5574-Q1 SIMPLE SWITCHER짰 75V, 0.5A Step-Down Switching Regulator
	LM5574	964Kb / 29P	[Old version datasheet] SIMPLE SWITCHER 75V, 0.5A Step-Down Switching Regulator

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