Datasheet > AAT1162

AAT1162

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
16页	626K
描述
12V, 1.5A Step-Down DC/DC Converter

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AAT1162 数据手册

AAT1162

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

Electrical Characteristics

4.0V < V_IN< 13.2V. C_IN= C_OUT= 22µF; L = 4.7µH, T_A= -40°C to +85°C, unless otherwise noted. Typical val-

ues 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

115

I_Q

Supply Current

Shutdown Current

Output Voltage Range

Output Voltage Accuracy

200

0.94 V_IN

2.5

µA

I_SHDN

V_OUT

0.6

-2.5

I_OUT= 0A to 1.5A

∆V_OUT

V_OUT/∆V_IN

Line Regulation

Load Regulation

V_IN= 4.5V to 13.2V

0.023 0.100

0.4

%/V

∆V_OUT

V_IN= 12V, V_OUT= 5V,

I_OUT= 0A to 1.5A

I_OUT

Feedback Reference Voltage

(adjustable version)

V_FB

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

PWM Oscillator Frequency

Foldback Frequency

Maximum Duty Cycle

Minimum Turn-On Time

Soft-Start Time

0.6

0.8

200

MHz

kHz

µs

T_ON

T_S

100

200

0.12

0.15

0.06

0.08

_IN= 12V

V_IN= 6V

_IN= 12V

V_IN= 6V

R_DS(ON)H

R_DS(ON)L

P-Channel On Resistance

N-Channel On Resistance

Ω

I_LIM

I_LXLEAK

Efficiency

PMOS Current Limit

LX Leakage Current

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

µA

2.0

3.0

V_IN= 13.2V, V_LX= 0 to V_IN

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 correlation with statistical process controls.

1162.2007.09.1.2

1 2 345 6 7...16

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