Datasheet > OB2358AP

OB2358AP

更新时间： 2024-09-14 02:55:07

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
10页	481K
描述
Current Mode PWM Power Switch Freq Shuffling

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中文翻译

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数据手册

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OB2358AP 数据手册

OB2358L

Frequency Shuffling

Current Mode PWM Power Switch

Product Specification

0755-326897403763242 1538517028075706894 QQ 9140836342791608522

GENERAL DESCRIPTION

FEATURES

OB2358L combines a dedicated current mode

PWM controller with a high voltage power

MOSFET. It is optimized for high performance, low

standby power, and cost effective off-line flyback

converter applications in sub 27W range.

OB2358L offers complete protection coverage

with automatic self-recovery feature including

Cycle-by-Cycle current limiting (OCP), over load

protection (OLP), over temperature protection

(OTP), over voltage protection and VDD under

■

Power on Soft Start Reducing MOSFET Vds

Stress

■

Frequency shuffling for EMI

Extended Burst Mode Control For Improved

Efficiency and Minimum Standby Power

Design

Audio Noise Free Operation

Fixed 50KHZ Switching Frequency

Internal Synchronized Slope Compensation

Low VDD Startup Current and Low Operating

Current

Leading Edge Blanking on Current Sense

Input

Good Protection Coverage With Auto Self-

Recovery

■

voltage lockout (UVLO).

performance is achieved

Excellent EMI

with On-Bright

■

proprietary frequency shuffling technique together

with soft switching control at the totem pole gate

drive output.

The tone energy at below 20KHZ is minimized in

the design and audio noise is eliminated during

operation.

VDD Under Voltage Lockout with Hysteresis

(UVLO)

Over Temperature Protection (OTP)

OB2358L is offered in DIP8 package.

On-Bright

Proprietary

Line

Input

Compensated

APPLICATIONS

Cycle-by-Cycle Over-current Threshold

Setting For Constant Output Power Limiting

Over Universal Input Voltage Range.

Overload Protection (OLP).

Offline AC/DC flyback converter for

■

AC/DC adapter

PDA power supplies

Over voltage Protection(OVP)

Digital Cameras and Camcorder Adapter

VCR, SVR, STB, DVD&DVCD Player SMPS

Set-Top Box Power

Auxiliary Power Supply for PC and Server

Open-frame SMPS

TYPICAL APPLICATION

Output Power Table

Product

230VAC±15%

Open Frame¹

27W

85-265VAC

Open Frame¹

16W

OB2358L

Notes: 1. Maximum practical continuous power in an open frame design with sufficient drain pattern as a heat sink, at 50℃

ambient. Higher output power is possible with extra added heat sink or air circulation to reduce thermal resistance.

Confidential

Datasheet

OB_DOC_DS_2358LA1

- 1 -

12 3 4 5 6 7...10

中文翻译

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