Datasheet > AAT2511

AAT2511

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
20页	587K
描述
Dual 600mA, 1MHz Step-Down DC/DC Converter

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AAT2511 数据手册

AAT2511

Dual 600mA, 1MHz Step-Down DC/DC 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

Conditions

Min Typ Max Units

Step-Down Converter Channels

V_IN

Input Voltage

2.7

5.5

2.6

V_INRising

Hysteresis

V_INFalling

V_UVLO

UVLO Threshold

100

1.8

V_OUT

Output Voltage Tolerance

Output Voltage Range

I_OUT= 0 to 400mA, V_IN= 2.7 - 5.5V -3.0

+3.0

V_IN

0.6

No Load, 0.6V Adjustable Version,

Per Channel

I_Q

Quiescent Current

µA

I_SHDN

I_LIM

R_DS(ON)H

R_DS(ON)L

Shutdown Current

EN = SGND = GND

1.0

µA

P-Channel Current Limit

600

High Side Switch On Resistance

Low Side Switch On Resistance

0.45

0.4

_IN= 5.5V, V_LX= 0 to V_IN,

I_LXLK

LX Leakage Current

µA

EN = SGND = GND

ΔV_Linereg

V_FB

Line Regulation

V_IN= 2.7V to 5.5V

0.2

%/V

µs

FB Threshold Voltage Accuracy

Start-Up Time

0.6V Output, No Load, T_A= 25°C

From Enable to Output Regulation

T_A= 25°C

591

0.7

600

100

1.0

609

T_S

F_OSC

Oscillator Frequency

Over-Temperature Shutdown

Threshold

1.5

MHz

T_SD

140

°C

Over-Temperature Shutdown

Hysteresis

T_HYS

V_EN(L)

V_EN(H)

I_EN

Enable Threshold Low

Enable Threshold High

Input Low Current

0.6

1.0

1.4

V_IN= V_FB= 5.5V

-1.0

µA

1. The AAT2511 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured

by design, characterization, and correlation with statistical process controls.

2. For adjustable version with higher than 2.5V output, please consult your AnalogicTech representative.

2511.2006.05.1.4

1 2 345 6 7...20

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