Datasheet > AAT2822IBK-T1

AAT2822IBK-T1

更新时间： 2024-01-11 23:05:55

品牌	Logo	应用领域
思佳讯 - SKYWORKS		驱动接口集成电路
页数	文件大小	规格书
28页	3442K
描述
LED Driver,

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技术参数
数据手册

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AAT2822IBK-T1 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.71
Base Number Matches：	1

AAT2822IBK-T1 数据手册

DATA SHEET

AAT2822/2823/2824/2825

TFT-LCD DC/DC Converter with WLED Driver and VCOM Buffer

Electrical Characteristics

V_IN= 5V, EN = WEN = WDIM = V_IN, V_AVDD= V_DD= 12V, T_A= -40^oC to 85^oC unless otherwise noted. Typical values are

at T_A= 25^oC.

Symbol Description

Conditions

Min

Typ

Max

Units

WLED Driver (AAT2822, AAT2823 Only)

V_IN

V_DIODE

V_LED

I_OUT

Output Voltage

Maximum Continuous Output Current

Line Regulation

V_LED= 28V

%/V

≥V_FB

V_IN= 2.5V to 5.5V

0.7

≥V_IN

R_DS(ON)

V_WFB

Low Side Switch On-Resistance

WFB Pin Regulation

300

0.3

mΩ

0.282

0.318

0.65

From Enable to Output Regulation;

V_FB= 300mV

V_LEDRising

V_LEDFalling

T_SS

Soft-Start Time

300

µs

V_OVP

OV_HYS

I_LIMIT

F_PWM

DC_MIN

Over-Voltage Protection Threshold

Over-Voltage Hysteresis

N-Channel Current Limit

Maximum W_DIMPWM Frequency

Minimum Duty Cycle

0.55

1.3

0.60

kHz

VCOM Buffer (AAT2822 , AAT2824 Only)

V_OPIN

I_OPIN

V_OS

Supply Range

Supply Current

Input Offset Voltage

Input Common-Mode Range

4.5

13.2

2.5

1.5

(V_NEG, V_POS, V_OUT) ≡ V_SUP/2

V_CM

V_SUP

150

V_OH

V_OL

I_SC

Output Voltage Swing, High

Output Voltage Swing, Low

Short-Circuit Current

I_OUT= 5mA

I_OUT= -5mA

150

Source

Sink

V_SUP/2

GBW

Gain Bandwidth Product

Slew Rate

MHz

V/µs

Logic

WDIM/

WEN_L/EN_L

WDIM/

WEN_H/EN_H

Enable Input Low Voltage

V_IN= 2.5V

V_IN= 5.5V

0.4

Enable Input High Voltage

1.4

I_EN

WDIM/WEN/EN Input Current

µA

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

202081B

• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 2, 2012

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