Datasheet > AL8861Q

AL8861Q

更新时间： 2023-12-26 09:00:12

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
15页	820K
描述
High Efficiency 40V 1.5A Automotive Grade Buck LED Driver

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数据手册

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AL8861Q 数据手册

AL8861Q

Functional Block Diagram

ISENSE

5, 6

VIN

4.5V

VDD

Generator

Current

Limiter

Current

Monitor

4.5V Drv

Comp

PWM

Ref

BG &

Reference

Hysteresis

Control

Logic &

Driver

PWM

OTP

PWM/DC

Dimming

VSET

OTP

2, 3

GND

Absolute Maximum Ratings (Note 4)

Symbol

V_IN

Parameter

Rating

-0.3 to 42

-0.3 to 6

Unit

Input Voltage

LX, ISENSE Pin Voltage

VSET Pin Voltage

V_LX, V_ISENSE

V_VSET

T_J

Operating Junction Temperature

Storage Temperature Range

-40 to +150

-65 to +150

+260

°C

T_STG

Lead Temperature (Soldering, 10s)

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 VSET pin is higher than 5V, the

device will enter the test mode for parameter test. Therefore, the voltage on VSET 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 accordance with the ANSI/ESDA/JEDEC JS-001 specification.

Recommended Operating Conditions

Symbol

V_IN

Parameter

Min

4.5

—

Max

Unit

Input Voltage

Switching Frequency

MHz

f_SW

Continuous Output Current

—

1.5

I_OUT

Voltage Range for 10% to 100% DC Dimming

Relative to GND Pin

Voltage High for PWM Dimming with Respect to

GND Pin

0.4

2.5

V_VSET

V_{VSET_HIGH}

Voltage Low for PWM Dimming Relative to GND

0.3

V_{VSET_LOW}

T_A

Operating Ambient Temperature

-40

+125

°C

3 of 15

www.diodes.com

July 2023

AL8861Q

Document number: DS41798 Rev. 4 - 2

1 234 5 6 7...15

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