76V, APD, Bias Output Stage with Current Monitoring

General Description The DS1842A integrates the discrete high-voltage components necessary for avalanche photodiode (APD) bias and monitor applications. A switch FET and precision voltage-divider network are used in conjunction with an external DC-DC controller to create a boost DC-DC converter.

文件：145.2 Kbytes 頁數(shù)：6 Pages

MAXIM

美信

76V, APD, Bias Output Stage with Current Monitoring

General Description The DS1842A integrates the discrete high-voltage components necessary for avalanche photodiode (APD) bias and monitor applications. A switch FET and precision voltage-divider network are used in conjunction with an external DC-DC controller to create a boost DC-DC converter.

文件：145.2 Kbytes 頁數(shù)：6 Pages

MAXIM

美信

76V, APD, Bias Output Stage with Current Monitoring

General Description The DS1842A integrates the discrete high-voltage components necessary for avalanche photodiode (APD) bias and monitor applications. A switch FET and precision voltage-divider network are used in conjunction with an external DC-DC controller to create a boost DC-DC converter.

文件：145.2 Kbytes 頁數(shù)：6 Pages

MAXIM

美信

76V、APD偏置輸出級，提供電流監(jiān)測

DS1842A集成了雪崩光電二極管(APD)偏置和監(jiān)測應(yīng)用所需的分立高壓元件。開關(guān)FET和精密分壓網(wǎng)絡(luò)配合外部DC-DC控制器，可構(gòu)成升壓型DC-DC轉(zhuǎn)換器。電流鉗位功能限制通過APD的電流，且?guī)в型獠筷P(guān)斷功能。所提供的精密分壓網(wǎng)絡(luò)用于精確控制APD偏置電壓。該器件還具有雙電流鏡，用于監(jiān)測APD電流。 ? 高達(dá)76V的升壓電壓 \n? 開關(guān)FET \n? 電流監(jiān)測器具有1μA至2mA寬電流監(jiān)測范圍、50ns快速時間常數(shù)以及10:1和5:1電流比 \n? 2mA電流鉗位，帶外部關(guān)斷功能 \n? 精確電壓反饋 \n? 多種外部濾波選項 \n? 帶裸焊盤的3mm x 3mm、14引腳TDFN封裝;

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