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AAT2847IML-EE-T1

更新时间： 2024-01-23 12:03:11

品牌	Logo	应用领域
ANALOGICTECH		驱动器驱动程序和接口接口集成电路
页数	文件大小	规格书
20页	382K
描述
Four-Channel Backlight Driver with Dual LDOs

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技术参数
数据手册

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AAT2847IML-EE-T1 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.68
Base Number Matches：	1

AAT2847IML-EE-T1 数据手册

AAT2847

Four-Channel Backlight Driver with Dual LDOs

Electrical Characteristics

V_IN= 3.6V; C_IN= C_LDOA= C_LDOB= 2.2µF; C_OUT= 1µF; C1 = C2 = 1µF; T_A= 25°C, unless otherwise noted.

Typical values are at T_A= 25°C.

Symbol

Description

Conditions

Min Typ Max Units

LDOs: AAT2847-EE

V_ENA= V_ENB= V_IN, V_EN/SET= 0V, No Load

V_ENA= V_IN; V_ENB= 0V; V_EN/SET= 0V; No Load

I_LDO[A/B]= 1mA to 200mA

150

112

I_IN

IN Operating Current

µA

V_FBA, V_FBB

V_DO

Feedback Voltage

Dropout Voltage

1.17

1.2 1.23

150 300

I_LDO[A/B]= 150mA

ΔV_OUT

_OUT*ΔV_IN

V_IN= (V_LDO[A/B]+ 1V) to 5V

I_LDO[A/B]=10mA, 1kHz

Line Regulation

0.09

%/V

Power Supply Rejection

Ratio

PSRR

LDOs: AAT2847-QG

V_ENA= V_ENB= V_IN, V_EN/SET= 0V, No Load

V_ENA= V_IN; V_ENB= 0V; V_EN/SET= 0V; No Load

I_LDOA= 1mA to 150mA

I_LDOB= 1mA to 150mA

I_LDOA= 150mA

150

112

I_IN

IN Operating Current

µA

LDOA

LDOB

V_DO

LDOA Voltage Tolerance

LDOB Voltage Tolerance

LDOA Dropout Voltage

2.716 2.8 2.884

1.455 1.5 1.545

150 300

ΔV_LDO[A/B]

_LDO[A/B]*ΔV_IN

LDOA, LDOB Line

Regulation

V_IN= (LDOA + 1V) to 5V; V_IN= (LDOB + 1.2V)

to 5V

0.09

%/V

LDOA, LDOB Power

Supply Rejection Ratio

I_LDO[A/B]=10mA, 1kHz

PSRR

LDOs: AAT2847-QI

V_ENA= V_ENB= V_IN, V_EN/SET= 0V, No Load

V_ENA= V_IN; V_ENB= 0V; V_EN/SET= 0V; No Load

I_LDOA= 1mA to 150mA

I_LDOB= 1mA to 150mA

I_LDOA= 150mA

150

112

I_IN

IN Operating Current

µA

LDOA

LDOB

V_DO

LDOA Voltage Tolerance

LDOB Voltage Tolerance

LDOA Dropout Voltage

2.716 2.8 2.884

1.746 1.8 1.854

150 300

ΔV_LDO[A/B]

_LDO[A/B]*ΔV_IN

LDOA, LDOB Line

Regulation

V_IN= (LDO[A/B] + 1V) to 5V

I_LDO[A/B]=10mA, 1kHz

0.09

%/V

LDOA, LDOB Power

Supply Rejection Ratio

PSRR

LDO Logic Control – All Options

V_IL(ENA)

V_IL(ENB)

ENA, ENB Input Logic

Low Threshold Voltage

0.4

V_IH(ENA)

V_IH(ENB)

ENA, ENB Input Logic

High Threshold Voltage

1.4

-1

ENA, ENB Input

Leakage

I_EN[A/B]

V_EN[A/B]= V_IN= 5V

µA

1. The AAT2847 is guaranteed to meet performance specifications over the –40˚C to +85°C operating temperature range is assured by

design, characterization and correlation with statistical process controls.

2. V_DOis defined as V_IN- LDOA when LDOA is 98% of nominal.

2847.2007.09.1.0

1 2 3 456 7 8...20

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