Datasheet > MAX25206

MAX25206

更新时间： 2024-10-29 14:57:47

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
29页	837K
描述
Versatile Automotive 60V/70V 2.2MHz Buck Controller with 7μA IQ and Optional Bypass Mode

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MAX25206 数据手册

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MAX25206/MAX25207/

MAX25208

Versatile Automotive 60V/70V 2.2MHz Buck

Controller with 7µA I and Optional Bypass

Mode

General Description

Benefits and Features

The MAX25206/MAX25207/MAX25208 are automotive

● Meets Stringent Automotive OEM Module Power

Consumption and Performance Specifications

• 7µA Quiescent Current in Skip Mode

• Fixed 5.0V/3.3V or Adjustable 0.7V to 20V Output

• ±1.5% Output-Voltage Accuracy for 5V Fixed

Setting

2.2MHz synchronous step-down controllers with 7μA I .

These devices operate with an input voltage supply from

3.5V to 60V (MAX25206/MAX25207) and 70V

(MAX25208). They can operate in drop-out condition by

running at 99% (typ) duty cycle. These controllers are in-

tended for applications with mid- to high-power require-

ments that operate at a wide input voltage range such

as during automotive cold-crank or engine stop-start con-

ditions. The MAX25207 has an optional bypass mode,

which allows 100% high-side switch on until step-down

function is needed during automotive transients.

● Enables Crank-Ready Designs

• Wide Input Supply Range from 3.5V to 60V/70V

● EMI Reduction Features Reduce Interference with

Sensitive Radio Bands without Sacrificing Wide Input

Voltage Range

• 50ns (typ) Minimum On-Time Allows Skip-Free

Operation for 3.3V Output from Car Battery at

2.2MHz

The MAX25206/MAX25207/MAX25208 step-down con-

trollers operate at a frequency up to 2.2MHz to allow

small external components, reduced output ripple, and to

eliminate AM band interference. The switching frequency

is resistor adjustable (220kHz to 2200kHz). SYNC input

programmability enables three frequency modes for opti-

mized performance: forced fixed-frequency operation (FP-

WM), skip mode with ultra-low quiescent current, and syn-

chronization to an external clock. The IC also provides

SYNCOUT output to enable two controllers to operate

in parallel. The MAX25206/MAX25207/MAX25208 have a

pin-selectable spread-spectrum option for frequency mod-

ulation to minimize EMI.

• Spread-Spectrum Option

• Frequency-Synchronization Input

• Resistor-Programmable Frequency Between

220kHz and 2.2MHz

● Integration and Thermally Enhanced Packages Save

Board Space and Cost

• 2.2MHz Step-Down Controller

• 180 Degrees Out-of-Phase SYNCOUT Output for

Synchronization

• Current-Mode Controller with Forced-Continuous

and Skip Modes

• Thermally Enhanced 20-Pin Side-Wettable (SW)

4mm x 4mm TQFN-EP Package

The MAX25206/MAX25207/MAX25208 feature a PGOOD

monitor and undervoltage lockout. Protection features in-

clude cycle-by-cycle current limit and thermal shutdown.

These controllers are specified for operation over the

-40°C to +125°C automotive temperature range.

● Protection Features Improve System Reliability

• Supply Undervoltage Lockout

• Output Overvoltage and Undervoltage Monitoring

• Overtemperature and Short-Circuit Protection

• -40°C to +125°C Grade 1 Automotive Temperature

Range

Applications

● Infotainment Systems

● 48V Systems

● General Purpose Point of Load (POL)

19-100800; Rev 2; 1/22

Ordering Information appears at end of data sheet.

12 3 4 5 6 7...29

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与MAX25206相关器件

型号	品牌	获取价格	描述	数据表
MAX25206ATPA	MAXIM	获取价格	Versatile Automotive 60V/70V 2.2MHz Buck Cont
MAX25206ATPB	MAXIM	获取价格	Versatile Automotive 60V/70V 2.2MHz Buck Cont
MAX25206EVKIT	MAXIM	获取价格	Output Voltage: 5V or 3.3V Fixed or Adjustable between 0.7V to 20V
MAX25207	MAXIM	获取价格	Versatile Automotive 60V/70V 2.2MHz Buck Cont
MAX25207	ADI	获取价格	Versatile Automotive 60V/70V 2.2MHz Buck Cont
MAX25207ATPA	MAXIM	获取价格	Versatile Automotive 60V/70V 2.2MHz Buck Cont
MAX25207EVKIT	MAXIM	获取价格	Fully Assembled and Tested
MAX25208	MAXIM	获取价格	Versatile Automotive 60V/70V 2.2MHz Buck Cont
MAX25208	ADI	获取价格	具有7μA IQ和可选旁路模式的多功能汽车级60V/70V 2.2MHz降压控制器
MAX25208ATPA	MAXIM	获取价格	Versatile Automotive 60V/70V 2.2MHz Buck Cont

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