Datasheet > A8518-1

A8518-1

更新时间： 2022-02-26 11:34:59

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
30页	1458K
描述
Fully integrated 42 V MOSFET for boost converter

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A8518-1 数据手册

Wide Input Voltage Range, High-Efficiency,

Fault-Tolerant LED Driver

A8518 and A8518-1

SPECIFICATIONS

Absolute Maximum Ratings ^[1]

Characteristic

Symbol

Notes

Rating

–0.3 to 40

V_IN–7.4 to V_IN+ 0.4

–0.6 to 42

–1 to 48

Unit

LEDx Pins

OVP Pin

V_LEDx

V_OVP

x = 1 and 2

VIN, VOUT Pins

V_IN, V_OUT

_SENSE, V_GATE

VSENSE, GATE Pins

Continuous

t < 50 ns

SW Pin ^[2]

V_SW

FAULT Pin

V_FAULT

–0.3 to 40

–0.3 to 5.5

–40 to 125

150

APWM, PWM, COMP, ISET, VDD Pins

Operating Ambient Temperature

Maximum Junction Temperature

Storage Temperature

T_A

T_J(max)

T_stg

K temperature range

°C

–55 to 150

¹Operation at levels beyond the ratings listed in this table may cause permanent damage to the device. The absolute maximum ratings are stress ratings only, and func-

tional operation of the device at these or any other conditions beyond those indicated in the electrical characteristics table is not implied. Exposure to absolute maximum-

rated conditions for extended periods may affect device reliability.

²SW DMOS is self-protecting and will conduct when V_SWexceeds 48 V.

THERMAL CHARACTERISTICS: May require derating at maximum conditions; see application information

Characteristic

Symbol

Test Conditions ^[3]

Value

Unit

On 2-layer 3 in²PCB

48.5

°C/W

Package Thermal Resistance

R_θJA

On 4-layer PCB based on JEDEC standards

°C/W

³Additional thermal information available on the Allegro website.

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

1 234 5 6 7...30

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