支持高達 85kHz 的工作頻率。芯片采用 HV 啟動和
內部 X-cap 放電機制，無需啟動電阻和 X-cap 放電
電阻。
MT2300 支持多種工作模式，能根據不同的工作條
件切換工作模式，如重載時工作在 CCM 模式，輕載
時進入波谷偵測模式，更輕載時進入 burst 模式等。
MT2300 集成多種保護功能，如 VCC 過壓保護，次
級 SR 短路保護等，并且可以通過外圍電路調整外
部過溫保護、輸出過電壓與輸出過載保護。
MT2300 內置高精度的 85kHz 開關頻率振蕩器，具
有斜坡補償，軟啟動，抖頻等功能，系統的穩定性，
可靠性，電磁兼容性得到極大的提升。
應用
USB PD和可編程電源開關型AC/DC適配器和充電器
開放式開關電源
特性
內置700V高壓啟動電路 低輸入功耗：<30mW HV引腳支持BNI/BNO和X-cap 放電 電流模式控制、波谷偵測技術、CCM多模式 自動調整CS限值以增大輸出電壓范圍 針對峰值負載應用的二階CS限值 輸入線電壓補償以實現恒定OPP 降低EMI的抖頻技術 內置斜率補償
6ms軟啟動時間
多種保護功能
可編程外部過溫保護(Ext. OTP)
可編程DEM欠壓/過壓保護(DEMOVP/UVP)
次級SR短路保護(SRSP)
短路保護(SCP)
過載保護(OLP)
VCC過壓保護(VCC OVP)
內部過溫保護(Int. OTP) 符合L.P.S標準
自適應VCC自恢復保護模式以降低輸入功耗 SOP8封裝
MT2300 is a highly integrated flyback PWM controller,
Supports operating frequencies up to 85kHz. The chip adopts HV startup and
Internal X-cap discharge mechanism, no need to start resistor and X-cap discharge
Resistance.
MT2300 supports multiple working modes and can be customized according to different work bars
Switch the working mode of the component, such as working in CCM mode under heavy load or light load
When entering trough detection mode, when lighter, enter burst mode, etc.
MT2300 integrates multiple protection functions, such as VCC overvoltage protection, secondary
Level SR short circuit protection, etc., and can be adjusted through peripheral circuits
Partial over temperature protection, output over voltage protection, and output overload protection.
The MT2300 is equipped with a high-precision 85kHz switching frequency oscillator, equipped with
It has functions such as slope compensation, soft start, and frequency jitter, ensuring system stability,
Reliability and electromagnetic compatibility have been greatly improved.
application
USB PD and programmable power supply
Switch type AC/DC adapter and charger
Open switch power supply
characteristic
Built-in 700V high-voltage startup circuit with low input power consumption:<30mW. HV pin supports BNI/BNO and X-cap discharge. Current mode control, valley detection technology, CCM multi-mode automatic adjustment of CS limit to increase output voltage range. Second order CS limit input line voltage compensation for peak load applications to achieve constant OPP and reduce EMI. Built-in slope compensation technology
6ms soft start time
Multiple protection functions
Programmable external over temperature protection (Ext. OTP)
Programmable DEM undervoltage/overvoltage protection (DEMOVP/UVP)
Secondary SR short circuit protection (SRSP)
Short circuit protection (SCP)
Overload protection (OLP)
VCC overvoltage protection (VCC OVP)
Internal over temperature protection (Int. OTP) - Compliant with L.P.S standards
Adaptive VCC self recovery protected mode to reduce input power SOP8 packaging
MT5705 RX
MT5706 RTX
MT5725 RTX
MT5727H RTX
MT5728 RTX
MT5729 RTX
MT5735 RTX
MT5786 RTX
MT5785 RTX
MT5805 TX
MT5811 TX
MT5815 TX，集成USB-PD
MT5810 TX，集成USB-PD
MTQ5807 TX，集成USB-PD
型號 工作模式
MT2300 CCM+Valley
MT2305 CCM+Valley
MT2308 CCM+Valley
MT2310 QR+Valley
MT2311 QR+Valley
MT2312 QR+Valley
MT2320 QR+Valley
型號 內置MOS參數
MT2200 -
MT2205B 60V/10.5mΩ
MT2205D 100V/10.5mΩ
型號 MOS
MT8803R3 700V
MT8803T0 700V
MT8813S0 700V
MT9570 Boost
協議芯片
型號 端口類型
MT2701 Type-C
MT2701N Type-C
MT2702 Type-C
MT2702N Type-C
MT2711 A+C
MT2712 Type-C
智能LED驅動
型號 RDson
MT7860 -
MT7864 2Ω
MT7865 2Ω
型號 RDson
MT9710B -
MT9712BS 5Ω
MT9712BD 5Ω
MT9713BD 3Ω
MT9714BS 3Ω
MT9714BD 2.5Ω
型號 BVdss
MT7651L 500V
MT7652L 500V
MT7651H 500V
MT7652H 500V
MT7656H 500V
MT7658H 500V
MT7665 500V
型號 BVdss
MT7626 600V
MT7623 500V
型號 BVdss
MT7606STH 500V
MT7606SEH 500V
MT7606TH 500V
MT7606TL 500V
MT7606EH 500V
MT7606EL 500V
MT7606DH 500V
MT7606DL 500V
MT7606BEH 500V
MT7606BEL 500V
MT7606BDH 500V
