Datasheet > 2376

2376

更新时间： 2024-02-02 04:03:30

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
23页	671K
描述
IEEE 802.3af PoE POWERED DEVICE CONTROLLERS WITH AUTO-RETRY

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数据手册

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2376 技术参数

生命周期：	Contact Manufacturer	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8504.32.00.00
风险等级：	5.63	次级绕组数量：	1
输出电流 1：	21.74 A	变压器类型：	TOROIDAL POWER TRANSFORMER
VA 额定值：	5000 VA	Base Number Matches：	1

2376 数据手册

TPS2375-1

TPS2377-1

www.ti.com

SLVS570–MARCH 2005

ELECTRICAL CHARACTERISTICS (continued)

V_(VDD)= 48 V, R_(DET)= 24.9 kΩ, R_(CLASS)= 255 Ω, R_(ILIM)= 178 kΩ, and –40°C ≤ T_J≤ 125°C, unless otherwise noted. Positive

currents are into pins. Typical values are at 25°C. All voltages are with respect to VSS unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

(3)

Voltage threshold rising

PG deglitch

V_(RTN)rising

9.5

150

10.5

225

0.4

Delay rising and falling PG

µs

I_(PG)= 2 mA, V_(RTN)= 34 V,

V_(VDD)= 38 V, V_(RTN)falling

0.12

Output low voltage

Leakage current

I_(PG)= 2 mA, V_(RTN)= 0 V, V_(VDD)= 25 V

V_(PG)= 57 V, V_(RTN)= 0 V

0.12

0.1

0.4

µA

UVLO

V_{(UVLO_R)}

V_{(UVLO_F)}

V_(VDD)rising

V_(VDD)falling

Hysteresis

38.4

29.6

8.3

39.3

30.5

8.8

40.4

31.5

9.1

TPS2375 Voltage at VDD

TPS2377 Voltage at VDD

V_(VDD)rising

V_(VDD)falling

Hysteresis

34.1

29.7

4.3

35.1

30.5

4.5

36.0

31.4

4.8

THERMAL SHUTDOWN

Shutdown temperature

Temperature rising

135

°C

Hysteresis

BIAS CURRENT

Operating current

I_(VDD)

240

450

µA

(3) Start with V_(RTN)= 0 V, then increase V_(RTN)until PG switches. Measure before thermal shutdown occurs.

1 2 345 6 7...23

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