Datasheet > ASP075AP

ASP075AP

更新时间： 2024-05-23 22:22:12

品牌	Logo	应用领域
安森德 - ASDsemi		/
页数	文件大小	规格书
16页	755K
描述
DFN2*2-7

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中文翻译

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数据手册

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ASP075AP 数据手册

ASP075AP

2.5MHz 5V 5A Fast PWM Synchronous Step-Down Converter

DESCRIPTION

FEATURES

⚫

Wide Input Range from 2.7V to 6V

Continuous 5A Output Current, Peak up to 6A

High Efficiency up to 97%

The ASP075AP is a 5A high efficiency constant

on-time controlled synchronous step-down

converter. It operates with input voltage from 2.5V

to 6V and provide output range from 0.8V to as

high as input level, thanks to its 100% duty cycle

operation. Its advanced constant on-time control

Fast-PWM scheme simplifies loop compensation

and offers excellent load transient response while

maintaining a relatively constant 2.5MHz switching

frequency. ASP075AP consumes extremely low

17µA quiescent current hence achieves superior

light load efficiency. The high gain error amplifier

in the control loop provides excellent load and

line regulation. For fault tolerant operation,

ASP075AP has cycle-by-cycle current limit

protection and hiccup mode for short circuit or

over-load condition.

Output Voltage as low as 0.8V

100% Duty Cycle Operation

+/-1% 0.8V Feedback Voltage Accuracy

2.5MHz Pseudo Constant Switching Frequency

17µA Quiescent Current

Built-in 30mΩ HS and 25mΩ LS Power Switches

Cycle-by-cycle Current Limit Protection

Hiccup Mode for Short Circuit and Over-Load

Protection

⚫

Open Drain Power Good Indication with Internal

Pull-up Resistor

⚫

Thermal Shutdown Protection

Stable with low ESR ceramic Output Capacitors

Available in a Small DFN 2mmx2mmꢀ7 Package

Pb-Free RoHS Compliant

APPLICATIONS

⚫

Solid-State and Hard Disk Drives

Portable / Handheld Devices

WiFi Moudule/ Set-top Boxes

DC/DC Micro Modules

ASP075AP is available in 7 lead DFN2mmx2mm

package and ideal for high performance, portable

applications.

TYPICAL APPLICATIONS

VIN

2.5V~5.5V

3.3V

100%

95%

90%

85%

VIN1

VIN2

0.47uH

C_VOS

22uF

C_IN2

0.1uF

C_IN1

10uF

ASP075AP

VOS

R₁

100k

C_FF

80%

Option

5Vin 3.3Vo

5Vin 1.8Vo

5Vin 1.2Vo

100k

0.1uF

75%

R₂

31.6k

70%

GND

0.001

0.01

0.1

Iout (A)

MAY 2022 Version 1.0

1/16

12 3 4 5 6 7...16

中文翻译

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