Datasheet > P2680

P2680

更新时间： 2024-11-19 14:55:07

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
5页	150K
描述
wide input 2a step down converter

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P2680 数据手册

UNISONIC TECHNOLOGIES CO., LTD

P2680

Preliminary

CMOS IC

WIDE INPUT 2A

SYNCHRONOUS RECTIFIED

STEP-DOWN CONVERTER



DESCRIPTION

The UTC P2680 is a monolithic synchronous step-down, fixed

340kHz frequency, current-mode, PWM controller with an internal

power MOSFET. It achieves 2A continuous output current over a

wide input supply range from 4V to 26V with excellent load and line

regulation. Equipped with an external compensation pin, this device

offers user flexibility in determining loop dynamic.

HSOP-8

Current mode control provides fast transient response and

cycle-by-cycle current limit. A PWM control circuit can provide the

duty ratio from 0 up to 90% linearly. An Under-Voltage-Lock-Output

(UVLO) circuit monitors the VIN supply voltage to prevent wrong

logic controls. Additional under voltage protections monitor the

voltage on FB pin for short-circuit protections.

In application, the UTC P2680 is suitable for portable devices

when it works as an ideal power supply in SOP-8L package.



FEATURES

* 2A Output Current

*340KHz frequency of operation

* 4V~26V Input Voltage Range

* 20μA Shutdown Supply Current

* Output Adjustable

* Frequency FoldBack at Short Circuit

* VIN Under-voltage Lockout

* Thermal Shutdown

* OCP

* Programmable Soft-Start

* Up to 90% Efficiency



ORDERING INFORMATION

Ordering Number

Lead Free

Package

HSOP-8

Packing

Tape Reel

Halogen Free

P2680L-SH2-R

P2680G-SH2-R

P2680L-SH2-R

(1)Packing Type

(2)Package Type

(1) R: Tape Reel

(2) SH2: HSOP-8

(3)Lead Free

(3) L: Lead Free, G: Halogen Free

www.unisonic.com.tw

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QW-R502-A32.b

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