CXAC85245A/B is a high performance Primary Side Regulation (PSR) power switch with high precision CV/CC control ideal for charger applications. In CV mode, CXAC85245A/B adopts Multi Mode Control which uses the hybrid of AM (Amplitude Modulation) mode and (Frequency Modulation) FM mode to improve system efficiency and reliability. In CC mode, the IC uses PFM control with line and load CC compensation. The IC can achieve audio noise free operation and optimized dynamic response

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[ CXAC85245A ]"
目录
7.相关产品
产品概述 返回TOP
CXAC85245A CXAC85245B is a high performance Primary Side Regulation (PSR) power switch with high precision CV/CC control ideal for charger applications. In CV mode, CXAC85245A/B adopts Multi Mode Control which uses the hybrid of AM (Amplitude Modulation) mode and (Frequency Modulation) FM mode to improve system efficiency and reliability. In CC mode, the IC uses PFM control with line and load CC compensation. The IC can achieve audio noise free operation and optimized dynamic response. The built-in Cable Drop Compensation (CDC) function can provide excellent CV performance. CXAC85245A/B integrates functions and protections of Under Voltage Lockout (UVLO), VDD over Voltage Protection (VDD OVP), Cycle-by-cycle Current Limiting (OCP), Short Load Protection (SLP), and VDD Clamping.
产品特点 返回TOP
Integrated with 650V MOSFET
Multi Mode PSR Control
Audio Noise Free Operation for PSR
Optimized Dynamic Response for PSR
Low Standby Power<70mW
±4% CC and CV Regulation
Programmable Cable Drop Compensation (CDC) in PSR CV Mode
Built-in AC Line & Load CC Compensation
Build in Protections: Short Load Protection (SLP) On-Chip Thermal Shutdown (OTP) Cycle-by-Cycle Current Limiting Leading Edge Blanking (LEB) Pin Floating Protection VDD UVLO, OVP & Clamp
8-Pin SOP package
应用范围 返回TOP
Battery Chargers for Cellular Phones
AC/DC Power Adapter
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产品封装图 返回TOP
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产品型号 | 功率(W) | 拓扑 | 导通电阻 | 恒压恒流精度 | 最大工作频率 | 线补偿 | 待机功率 | 封装 |
( Ω ) | (KHz) | (mW) | ||||||
CXAC85245A | ≤12 | Flyback | 3.6 | ±5% | 70 | Y | <75 | SOP8 |
CXAC85245B | ≤15 | Flyback | 2.1 | ±5% | 70 | Y | <75 | SOP8 |
CXAC85246 | Up to 24W | Flyback | - | ±5% | 70 | Y | <75 | SOT23-6 |