Datasheet > AL8862Q

AL8862Q

更新时间： 2023-12-06 20:08:34

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美台 - DIODES		/
页数	文件大小	规格书
17页	1628K
描述
AUTOMOTIVE GRADE 55V 1A STEP-DOWN CONVERTER

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AL8862Q 数据手册

AL8862Q

Functional Block Diagram

SET

FAULT

OTP

VIN

Open

OCP

Fault

Logic

Current

Monitor

VDD Generator

I_LIMITER

Comp

PWM

Ref

Hysteresis

Control

BG &

Reference

Logic

Driver

OTP

PWM/DC

Dimming

OTP

CTRL

PWM

GND

Absolute Maximum Ratings (Note 4)

Symbol

Parameter

Rating

-0.3 to +65

-0.3 to +6

-40 to +125

-40 to +150

-65 to +150

+300

Unit

Input Voltage

V_IN

SW, SET, FAULT Pin Voltage

CTRL Pin Input Voltage

V_SW, V_SET, V_FAULT

V_CTRL

T_A

Operating Ambient Temperature

Operating Junction Temperature

Storage Temperature Range

Lead Temperature (Soldering, 10s)

°C

T_J

T_STG

T_LEAD

Note:

4. Stresses greater than those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied.

Exposure to Absolute Maximum Ratings for extended periods can affect device reliability. Besides, if the voltage on CTRL pin is higher than 5V, the device

will enter the test mode for parameter test. Therefore, the voltage on CTRL pin should be kept below 5V for normal operation.

ESD Ratings (Note 5)

Symbol

Parameter

Rating

±3000

±1000

Unit

Human-Body Model (HBM), per AEC-Q100-002

Charged-Device Model (CDM), per AEC-Q100-011

V_ESD

Note:

5. AEC-Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.

Recommended Operating Conditions (T_A= +25°C, unless otherwise noted)

Symbol

V_IN

Parameter

Min

Max

Unit

Input Voltage

Switching Frequency

—

MHz

f_SW

Continuous Output Current

I_OUT

Voltage Range for 10% to 100% DC Dimming Relative to

GND

0.4

2.5

V_CTRL

Voltage High for PWM Dimming Relative to GND

Voltage Low for PWM Dimming Relative to GND

Operating Ambient Temperature

2.6

V_{CTRL_HIGH}

V_{CTRL_LOW}

T_A

0.3

-40

+125

°C

3 of 17

www.diodes.com

July 2023

AL8862Q

Document number: DS42199 Rev. 5 - 2

1 234 5 6 7...17

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