Datasheet > AMS2263AP

AMS2263AP

更新时间： 2024-02-23 04:17:29

品牌	Logo	应用领域
奥地利微 - AMS		/
页数	文件大小	规格书
12页	775K
描述
Extended Burst Mode Control For Improved

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数据手册

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AMS2263AP 数据手册

AMS 2263

Excellent EMI performance is achieved with

frequency shuffling technique together with soft

switching control at the totem pole gate drive

output.

GENERAL DESCRIPTION

AMS2263 is a highly integrated current mode PWM

control IC optimized for high performance, low

standby power and cost effective offline flyback

converter applications in sub 30W range.

Tone energy at below 20KHZ is minimized in the

design and audio noise is eliminated during

operation. AMS2263 is offered in SOT23-6, SOP-8

and DIP-8 packages.

PWM switching frequency at normal operation is

externally programmable and trimmed to tight

range. At no load or light load condition, the IC

operates in extended ‘burst mode’ to minimize

switching loss. Lower standby power and higher

conversion efficiency is thus achieved.

FEATURES

Extended Burst Mode Control For Improved

Efficiency and Minimum Standby Power

Design.

VDD low startup current and low operating

current contribute to a reliable power on startup

design with AMS2263. A large value resistor could

thus be used in the startup circuit to minimize the

standby power.

Audio Noise Free Operation

External Programmable PWM Switching

Frequency

Internal Synchronized Slope Compensation

Low VDD Startup Current and Low Operating

Current (1.4mA)

The internal slope compensation improves

system large signal stability and reduces the

possible sub-harmonic oscillation at high PWM

duty cycle output. Leading-edge blanking on

current sense(CS) input removes the signal glitch

due to snubber circuit diode reverse recovery and

thus greatly reduces the external component

count and system cost in the design.

Leading Edge Blanking on Current Sense

Input

Good Protection Coverage With Auto

Self-Recovery

VDD Over Voltage Clamp and Under Voltage

Lockout with Hysteresis (UVLO)

Gate Output Maximum Voltage Clamp (18V)

Line Input Compensated Cycle-by-Cycle

Over-current Threshold Setting For Constant

Output Power Limiting Over Universal Input

Voltage Range.

AMS2263 offers complete protection coverage with

automatic self-recovery feature including

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

protection (OLP), VDD over voltage clamp and

under voltage lockout (UVLO). The Gate-drive

output is clamped to maximum 18V to protect the

power MOSFET.

Overload Protection (OLP)

Advanced Monolithic Systems http://www.ams-semitech.com

12 3 4 5 6 7...12

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与AMS2263AP相关器件

型号	品牌	获取价格	描述	数据表
AMS2263CP	AMS	获取价格	Extended Burst Mode Control For Improved
AMS2263MP	AMS	获取价格	Extended Burst Mode Control For Improved
AMS22B	BOURNS	获取价格	AMS22B Non-Contacting Analog Rotary Position Sensor
AMS22B_14	BOURNS	获取价格	Non-Contacting Analog Rotary Position Sensor
AMS22B_MDS	BOURNS	获取价格	Analog Magnetic Non-Contacting
AMS22B5A1BHAFL101N	BOURNS	获取价格	Non-Contacting Analog Rotary Position Sensor
AMS22B5A1BHAFL102N	BOURNS	获取价格	Non-Contacting Analog Rotary Position Sensor
AMS22B5A1BHAFL103N	BOURNS	获取价格	Non-Contacting Analog Rotary Position Sensor
AMS22B5A1BHAFL301N	BOURNS	获取价格	Non-Contacting Analog Rotary Position Sensor
AMS22B5A1BHAFL302N	BOURNS	获取价格	Non-Contacting Analog Rotary Position Sensor

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