Datasheet > AAT1162

AAT1162

更新时间： 2022-05-09 17:15:00

品牌	Logo	应用领域
思佳讯 - SKYWORKS		转换器
页数	文件大小	规格书
19页	2637K
描述
12V, 1.5A Step-Down DC/DC Converter

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AAT1162 数据手册

DATA SHEET

AAT1162

12V, 1.5A Step-Down DC/DC Converter

Electrical Characteristics¹

4.0V < V_IN< 13.2V. C_IN= C_OUT= 22μF; L = 2.2 or 3.8μH, 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

4.0

13.2

4.0

Rising

V_UVLO

Input Under-Voltage Lockout

Hysteresis

No Load

V_EN= GND

0.3

150

I_Q

I_SHDN

Supply Current

Shutdown Current

300

μA

0.94

V_IN

2.5

V_OUT

Output Voltage Range

Output Voltage Accuracy

Line Regulation

0.6

V_OUT

V_OUT

V_OUT/V_IN

V_OUT

I_OUT= 0A to 1.5A

-2.5

V_IN= 4.5V to 13.2V

0.023 0.100

0.4

%/V

Load Regulation

V_IN= 12V, V_OUT= 5V, I_OUT= 0A to 1.5A

I_OUT

V_FB

Feedback Reference Voltage (adjustable version) No Load, T_A= 25°C

0.59 0.60

0.61

0.2

Adjustable Version

Fixed Version

I_FBLEAK

F_OSC

FB Leakage Current

V_OUT= 1.2V

μA

0.8

200

PWM Oscillator Frequency

Foldback Frequency

Maximum Duty Cycle

Minimum Turn-On Time

Soft-Start Time

0.6

MHz

kHz

T_ON

T_S

100

V_IN= 12V

V_IN= 6V

V_IN= 12V

V_IN= 6V

0.12

0.15

0.06

0.08

R_DS(ON)H

R_DS(ON)L

P-Channel On Resistance

N-Channel On Resistance





I_LIM

I_LXLEAK

T_SD

T_HYS

V_IL

Efﬁciency

PMOS Current Limit

LX Leakage Current

Over-Temperature Shutdown Threshold

Over-Temperature Shutdown Hysteresis

EN Logic Low Input Threshold

EN Logic High Input Threshold

EN Input Current

V_IN= 12V, V_OUT= 5V, I_OUT= 1.5A

μA

°C

4.0

6.0

V_IN= 13.2V, V_LX= 0 to V_IN

140

0.4

1.0

V_IH

I_EN

1.4

-1.0

μA

V_EN= 0V, V_EN= 13.2V

1. The AAT1162 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.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201998B

• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013

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