MT7601U – 802.11 b/g/n single chip – MediaTek

Part number :  MT7601U

Functions : 802.11 b/g/n single chip

Package information : QFN 40 Pin type

Manufacturer : MediaTek

Top Marking : MTK MT7601UN

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MT7601U Image

Product Information

The MT7601U is a highly integrated Wi-Fi single chip which supports 150 Mbps PHY rate. It fully complies with IEEE 802.11n and IEEE 802.11 b/g standards, offering feature-rich wireless connectivity at high standards, and delivering reliable, cost-effective throughput from an extended distance.
Optimized RF architecture and baseband algorithms provide superb performance and low power consumption. Intelligent MAC design deploys a high efficient DMA engine and hardware data processing accelerators which offloads the host processor.
The MT7601U is designed to support standard based features in the areas of security, quality of service and international regulations, giving end users the greatest performance any time and in any circumstance.

MT7601U Datasheet PDF Pinout

Reference site

1. Linux mac80211-based driver for Mediatek MT7601U USB bgn WiFi dongle
( https://github.com/kuba-moo/mt7601u )

2. Issue with MT7601U usb dongle wifi driver
( http://raspberrypi.stackexchange.com/questions/27173/issue-with-mt7601u-usb-dongle-wifi-driver )

MT7601U Datasheet PDF

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DK1203 – Small power off-line switching power supply control chip

DK1203 Datasheet PDF learn more.

Part number : DK1203

Functions : This is a kind of semiconductor. Small power off-line switching power supply control chip.

Pin arrangement :

Package information :

Manufacturer : DongKe Semicondutor

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DK1203 Datasheet PDF

The texts in the PDF file :

DK 1203 小功率离线式开关电源控制芯片 ◆主要特性  输入电压 85V to 265V 全电压范围  内置 700V 功率管  内建自供电电路(专利),无需辅助绕组供电  集成自启动电路  电流模式 PWM 控制  VCC 工作电压范围 4V to 6V  65Khz 开关频率  轻负载时自动进入跳周期模式  过温、过流、过压、过载保护  待机功耗小于 0.3W  频率抖动降低 EMI 滤波成本 ◆封装与引脚定义 ◆应用领域  AC/DC 电源适配器  DVD/VCD 电源  空调电源  电磁炉电源  LED 电源  机顶盒电源 ◆功率范围 输入电压(ac) 最大输出功率 85~265V 12W 85~145V 12W 180~265V 18W 引脚 1 2 3 4 5 6 7,8 符号 OB VCC GND NC FB NC OC 功能描述 上电启动引脚,内部有启动电路与高压 OC 引脚相连,此引脚悬空。 供电引脚,外部连接一个 10UF~100UF 的贮能电容对地。 接地引脚。 空引脚,内部无电气连接。 反馈控制端引脚,接 1nF~10nF 电容对地,光藕对地控制输出。 空引脚,内部无电气连接。 输出引脚,连接芯片内高压功率管,外部与开关变压器相连。 深圳东科半导体有限公司 1 DK 1203 小功率离线式开关电源控制芯片 ◆极限参数 供电电压 Vcc ………………………………………………………………………………… -0.3V–8V 供电电流 Vcc ………………………………………………………………………………… 100mA 引脚电压 ………………………………………………………………………………… -0.3V–Vcc+0.3V 功率管耐压 ………………………………………………………………………………… -0.3V–730V 功率管电流 ………………………………………………………………………………… 1.5A 峰值电流 ……………………………………………………………………�� [ … ]

DK1203 PDF File

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