Datasheet > MAX25308

MAX25308

更新时间： 2024-11-19 14:57:55

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
15页	950K
描述
两路/三路输出低噪声LDO线性稳压器

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中文翻译

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MAX25308 数据手册

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MAX25307/MAX25308

Two/Three Output Low-Noise LDO Linear

Regulators

General Description

Benefits and Features

The MAX25307/MAX25308 are a two/three output linear

regulator family that deliver up to 600mA on channel 1

● 1.7V to 5.5V Input Voltage Range

● Factory Selectable Output Voltage of 0.6V to 3.7875V

in 12.5mV Steps

and up to 300mA on channels 2 and 3 with only 37µV

RMS

of output noise from 10Hz to 100kHz. These regulators

maintain ±1.25% output accuracy over a wide input volt-

age range, requiring only 155mV (max) of input-to-output

headroom at full load. The 1.95mA maximum no-load sup-

ply current is independent of dropout voltage. Each output

is factory programmable between 0.6V to 3.7875V in

12.5mV steps. No external components are needed ex-

cept for the input, output, and bypass capacitors. Each

output has an independent enable input and RESET out-

put.

● 37μV

Output Noise, 10Hz to 100kHz

RMS

● 1.95mA (Max) Operating Supply Current

● 70dB PSRR at 10kHz

● 600mA Maximum Output Current (OUT1)

● 300mA Maximum Output Current (OUT2/3)

● ±1.25% DC Accuracy Over Load, Line, and

Temperature

● 155mV (Max) Dropout at I

● < 1µA Shutdown Supply Current

Load (3.3V )

MAX1/2/3

● Overcurrent and Overtemperature Protection

● Output-to-Input Reversed Current Protection

● Individual RESET Outputs

● 3mm x 3mm 16 pin TQFN Package

● -40ºC to 125ºC Grade 1 Automotive Temperature

Range

Applications

● Infotainment Systems

● Point of Load

● Advanced Driver-Assistance Sytems (ADAS)

Ordering Information appears at end of data sheet.

Simplified Block Diagram

10nF

IN3

IN2

IN1

BYP1

IN2

OUT1

IN1

4.7µF

1µF

4.7µF

GND

10nF

BYP2

OUT2

EN1

EN2

EN3

OUT2

2.2µF

RESET1

RESET2

RESET3

10nF

BYP3

OUT3

2.2µF

19-101040; Rev 0; 4/21

12 3 4 5 6 7...15

中文翻译

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