Datasheet > AAT2822IBK-T1

AAT2822IBK-T1

更新时间： 2024-01-17 15:06:51

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°C to 85°C unless otherwise noted. Typical values are

at T_A= 25°C.

Symbol Description

Power Supply

Conditions

Min

Typ

Max

Units

V_IN

V_UVLO

UVLO_HYS

I_IN

Input Voltage Range

Under-Voltage Lockout Threshold Rising Edge

UVLO Hysteresis

IN Quiescent Current

Shutdown Current

REF Output Voltage

REF Load Regulation

REF Current

2.5

5.5

2.5

µA

2.4

1.1

V_FB= V_FBP= 0.7V, V_FBN= -0.1, LX not switching

EN = WEN = Low, I_SHDN= I_IN+ I_DD, V_DD= 5V

No load

0 < I_LOAD< 50µA

In regulation

Temperature rising

Hysteresis

1.6

1.218

I_SHDN

1.182

1.20

V_REF

µA

+140

T_SD

Thermal Shutdown

^OC

Main Step-Up Regulator

V_IN

V_AVDD

Output Voltage Range

14.5

V_DIODE

910

F_OSC

DC_MAX

Operating Frequency

Maximum Duty Cycle

1300

1690

kHz

V_FB

FB Regulation Voltage

No Load

0.588

0.6

0.612

FB Fault Trip Level

FB Load Regulation

FB Line Regulation

FB Input Bias Current

LX On-Resistance

LX Leakage Current

LX Current Limit

V_FBfalling

0.535 0.546 0.557

0.01

%/mA

%/V

µA

mΩ

µA

0 < I_AVDD< full load

V_IN= 2.5V to 5.5V

V_FB= 0.7V

I_LX= 200mA

V_LX= 13.2V

0.1

±0.4

-1

R_LX(ON)

I_LX

I_LIM

350

0.01

700

V_FB= 0.7V, duty cycle = 75%

t_SS

Soft-Start Period

1.3

Gate High Charge Pump (VGH)

V_DD

V_FBP

I_FBP

V_DDInput Supply Range

Operating Frequency

FBP Regulation Voltage

FBP Fault Trip Level

2.7

13.2

kHz

μA

Ω

F_OSC

0.6

0.588

470

-1

0.612

530

V_FBPFalling

V_FBP= 0.7V

FBP Input Bias Current

DRVPP_RDSDRVP PCH ON-Resistance

DRVPN_RDSDRVP NCH On-Resistance

Gate Low Charge Pump (VGL)

1.5

V_FBP= 0.585V

V_FBP= 0.615V

kΩ

V_DD

V_FBN

I_FBN

V_DDInput Supply Range

Operating Frequency

FBN Regulation Voltage

FBN Fault Trip Level

2.7

13.2

μA

Ω

F_OSC

425

-50

408

-1

+50

442

V_FBNRising

V_FBN= -0.1V

FBN Input Bias Current

DRVNP_RDSDRVN PCH ON-Resistance

V_FBN= 0.035V

V_FBN= -0.025V

1.5

Ω

kΩ

DRVNN_RDSDRVN NCH On-Resistance

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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