Datasheet > AAT1154IAS-1.0T1

AAT1154IAS-1.0T1

更新时间： 2022-07-23 14:25:52

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
16页	559K
描述
1MHz 3A Buck DC/DC Converter

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数据手册

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AAT1154IAS-1.0T1 数据手册

AAT1154

1MHz 3A Step-Down DC/DC Converter

Electrical Characteristics

V_IN= V_CC= V_P= 5V, T_A= -40°C to +85°C, unless otherwise noted. Typical values are at T_A= 25°C.

Symbol

Description

Conditions

Min Typ Max Units

V_IN

Input Voltage Range

2.7

5.5

5.0

2.5

_IN= V_OUT+ 0.2V to 5.5V,

I_OUT= 0A to 3A

_INRising

V_OUT

Output Voltage Tolerance

Under-Voltage Lockout

-5.0

V_UVLO

V_INFalling

1.2

4.4

V_UVLO(HYS)

Under-Voltage Lockout Hysteresis

Quiescent Supply Current

Shutdown Current

250

µA

I_Q

I_SHDN

I_LIM

No Load, V_FB= 0V

V_EN= 0V, V_IN= 5.5V

T_A= 25°C

630 1000

1.0

Current Limit

R_DS(ON)H

High Side Switch On Resistance

Efficiency

T_A= 25°C

mΩ

I_OUT= 1A

ΔV_OUT(V_OUT*ΔV_IN) Load Regulation

I_LOAD= 0A to 3A

V_IN= 2.7V to 5.5V

T_A= 25°C

2.6

0.75

ΔV_OUT/V_OUT

F_OSC

Line Regulation

%/V

MHz

Oscillator Frequency

Enable Threshold Low

Enable Threshold High

Over-Temperature Shutdown

Threshold

V_EN(L)

0.6

V_EN(H)

1.4

T_SD

140

°C

Over-Temperature Shutdown

Hysteresis

T_HYS

1154.2006.09.1.6

1 2 345 6 7...16

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