Datasheet > AAT1146IJS-1.0-T1

AAT1146IJS-1.0-T1

更新时间： 2024-01-22 21:29:55

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
20页	663K
描述
Fast Transient 400mA Step-Down Converter

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技术参数
数据手册

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AAT1146IJS-1.0-T1 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84

AAT1146IJS-1.0-T1 数据手册

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PRODUCT DATASHEET

AAT1146

SwitchReg^TM

FastTransient 400mA Step-Down Converter

Electrical Characteristics¹

T_A= -40°C to +85°C, unless otherwise noted. Typical values are T_A= 25°C, V_IN= 3.6V.

Symbol Description

Step-Down Converter

Conditions

Min Typ Max Units

V_IN

Input Voltage

2.7

5.5

2.7

V_INRising

V_UVLO

UVLO Threshold

Hysteresis

V_INFalling

100

1.8

-3.0

0.6

V_OUT

I_Q

I_SHDN

I_LIM

R_DS(ON)H

R_DS(ON)L

I_LXLEAK

ΔV_Linereg

V_OUT

I_OUT

R_OUT

T_S

F_OSC

T_SD

T_HYS

Output Voltage Tolerance

Output Voltage Range

Quiescent Current

I_OUT= 0 to 400mA, V_IN= 2.7V to 5.5V

+3.0

V_IN

No Load, 0.6V Adjustable Version

EN = AGND = PGND

μA

Shutdown Current

1.0

P-Channel Current Limit

High Side Switch On Resistance

Low Side Switch On Resistance

LX Leakage Current

Line Regulation

Out Threshold Voltage Accuracy

Out Leakage Current

Out Impedance

Start-Up Time

Oscillator Frequency

Over-Temperature Shutdown Threshold

Over-Temperature Shutdown Hysteresis

600

0.45

0.40

V_IN= 5.5V, V_LX= 0 to V_IN, EN = GND

V_IN= 2.7V to 5.5V

0.6V Output, No Load; T_A= 25°C

0.6V Output

>1.0V Output²

μA

%/V

μA

kΩ

μs

MHz

°C

0.1

600

591

250

1.0

609

0.2

From Enable to Output Regulation

T_A= 25°C

150

1.4

140

2.0

V_EN(L)

V_EN(H)

I_EN

Enable Threshold Low

Enable Threshold High

Input Low Current

0.6

1.0

μA

1.4

-1.0

V_IN= V_OUT= 5.5V

1. The AAT1146 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-

tion with statistical process controls.

2. The AAT1146 fixed output versions have the output set to different voltages.

w w w . a n a l o g i c t e c h . c o m

1146.2008.06.1.6

1 2 345 6 7...20

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