Datasheet > MAX17083

MAX17083

更新时间： 2023-12-20 18:46:30

品牌	Logo	应用领域
亚德诺 - ADI		开关调节器
页数	文件大小	规格书
15页	387K
描述
低电压、内置开关、降压型调节器

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中文翻译

获取价格

数据手册

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MAX17083 数据手册

Low-Voltage, Internal Switch,

Step-Down Regulator

MAX17083

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1, V = V

= V

= V = 5V, I

= no load, T = 0°C to +85°C, unless otherwise noted. Typical values are at

REF A

FREQ

= +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

FB Load Regulation

SET = GND

-4

mV/A

FB Line Regulation

(Slope Compensation)

SET = GND, 0 to 100% duty cycle,

V = 4.5V to 5.5V

ꢀV

FB Input Current

SET = GND, T = +25°C

-100

-5

+100

High-side n-channel R

Internal MOSFET On-Resistance

(Note 3)

mꢀ

Low-side n-channel R

Internal BST On-Resistance

LX Peak Current Limit

ꢀ

LX Idle Mode™ Trip Level

LX Zero-Crossing Trip Level

1.5

100

1939/

Soft-Start Ramp Time

3232/

Soft-Start Fault Blanking Time

SSLT

POK Upper Trip Threshold and

Overvoltage Fault Threshold

Rising edge, 50mV hysteresis

-9

POK Lower Trip Threshold

Falling edge, 50mV hysteresis

-14

-12

POK Propagation Delay Time

FB forced 50mV beyond POK trip threshold

μs

POK

Overvoltage Fault Latch

Delay Time

FB forced 50mV above POK upper trip

threshold

μs

Undervoltage Fault Latch

Delay Time

FB forced 50mV below POK lower trip

threshold, TUV

1534/

POK Output Low Voltage

= 3mA

0.4

SINK

SET = GND, FB = 1V (POK high impedance),

POK forced to 5.5V, T = +25°C

POK Leakage Current

μA

°C

POK

Thermal-Shutdown Threshold

LOGIC INPUTS

Hysteresis = 15°C

+160

SHDN

EN Input High Threshold

EN Input Bias Current

Rising, hysteresis = 220mV (typ)

1.0

1.4

0.1

1.6

= +25°C

μA

0.5

FREQ and SET Input Voltage

Levels

Open

REF

3.2

2.2

0.5

1.2

GND

FREQ and SET Input Bias

Currents

= +25°C

-2

+0.1

μA

Idle Mode is a trademark of Maxim Integrated Products, Inc.

_______________________________________________________________________________________

1 234 5 6 7...15

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