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MAX1999 Datasheet

Part Number MAX1999
Manufacturers Maxim
Logo Maxim
Description High-Efficiency / Quad Output / Main Power- Supply Controllers for Notebook Computers
Datasheet MAX1999 DatasheetMAX1999 Datasheet (PDF)

19-2187; Rev 1; 9/04 High-Efficiency, Quad Output, Main PowerSupply Controllers for Notebook Computers General Description The MAX1777/MAX1977/MAX1999 dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX1777/MAX1977/MAX1999 include two pulse-width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5V and 3.3V. These devices feature two linear regulators providing 5V and 3.3V always-on outputs. Each linea.

  MAX1999   MAX1999






Part Number MAX19999
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description 3000MHz to 4000MHz Downconversion Mixer
Datasheet MAX1999 DatasheetMAX19999 Datasheet (PDF)

19-4293; Rev 0; 10/08 www.DataSheet4U.com Dual, SiGe High-Linearity, 3000MHz to 4000MHz Downconversion Mixer with LO Buffer General Description The MAX19999 dual-channel downconverter provides 8.3dB of conversion gain, +24dBm input IP3, +11.4dBm 1dB input compression point, and a noise figure of 10.5dB for 3000MHz to 4000MHz WiMAX™ and LTE diversity receiver applications. With an optimized LO frequency range of 2650MHz to 3700MHz, this mixer is ideal for low-side LO injection architectures. In.

  MAX1999   MAX1999







Part Number MAX19998
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description 2300MHz to 4000MHz Downconversion Mixer
Datasheet MAX1999 DatasheetMAX19998 Datasheet (PDF)

19-4827; Rev 0; 10/09 TION KIT EVALUA BLE AVAILA www.DataSheet4U.com SiGe, High-Linearity, 2300MHz to 4000MHz Downconversion Mixer with LO Buffer General Description The MAX19998 single, high-linearity downconversion mixer provides 8.7dB of conversion gain, +24.3dBm input IP3, +11.3dBm 1dB input compression point, and a noise figure of 9.7dB for 2300MHz to 4000MHz WiMAXK, LTE, and MMDS receiver applications. With an ultra-wide LO 2600MHz to 4300MHz frequency range, the MAX19998 can be used in.

  MAX1999   MAX1999







Part Number MAX19997A
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description 1800MHz to 2900MHz Downconversion Mixer
Datasheet MAX1999 DatasheetMAX19997A Datasheet (PDF)

19-4288; Rev 0; 10/08 www.DataSheet4U.com Dual, SiGe High-Linearity, 1800MHz to 2900MHz Downconversion Mixer with LO Buffer General Description The MAX19997A dual downconversion mixer is a versatile, highly integrated diversity downconverter that provides high linearity and low noise figure for a multitude of 1800MHz to 2900MHz base-station applications. The MAX19997A fully supports both low- and high-side LO injection architectures for the 2300MHz to 2900MHz WiMAX ™ , LTE, WCS, and MMDS bands.

  MAX1999   MAX1999







Part Number MAX19996A
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description 2000MHz To 3900MHz Downconversion Mixer
Datasheet MAX1999 DatasheetMAX19996A Datasheet (PDF)

19-4402; Rev 1; 5/09 www.DataSheet4U.com SiGe, High-Linearity, 2000MHz to 3900MHz Downconversion Mixer with LO Buffer General Description The MAX19996A single, high-linearity downconversion mixer provides 8.7dB conversion gain, +24.5dBm IIP3, and 9.8dB noise figure for 2000MHz to 3900MHz WCS, LTE, WiMAX™, and MMDS wireless infrastructure applications. With an ultra-wide LO frequency range of 2100MHz to 4000MHz, the MAX19996A can be used in either low-side or high-side LO injection architecture.

  MAX1999   MAX1999







Part Number MAX19995A
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description 1700MHz To 2200MHz Downconversion Mixer
Datasheet MAX1999 DatasheetMAX19995A Datasheet (PDF)

19-4419; Rev 0; 1/09 www.DataSheet4U.com Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch General Description The MAX19995A dual-channel downconverter is designed to provide 8.7dB of conversion gain, +24.8dBm input IP3, +13.5dBm 1dB input compression point, and a noise figure of 9.2dB for 1700MHz to 2200MHz diversity receiver applications. With an optimized LO frequency range of 1750MHz to 2700MHz, this mixer is ideal for high-side LO injection architec.

  MAX1999   MAX1999







High-Efficiency / Quad Output / Main Power- Supply Controllers for Notebook Computers

19-2187; Rev 1; 9/04 High-Efficiency, Quad Output, Main PowerSupply Controllers for Notebook Computers General Description The MAX1777/MAX1977/MAX1999 dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX1777/MAX1977/MAX1999 include two pulse-width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5V and 3.3V. These devices feature two linear regulators providing 5V and 3.3V always-on outputs. Each linear regulator provides up to 100mA output current with automatic linear regulator bootstrapping to the main SMPS outputs. The MAX1777/MAX1977/MAX1999 include on-board power-up sequencing, a power-good (PGOOD) output, digital soft-start, and internal soft-stop output discharge that prevents negative voltages on shutdown. Maxim’s proprietary Quick-PWM™ quick-response, constant on-time PWM control scheme operates without sense resistors and provides 100ns response to load transients while maintaining a relatively constant switching frequency. The unique ultrasonic pulse-skipping mode maintains the switching frequency above 25kHz, which eliminates noise in audio applications. Other features include pulse skipping, which maximizes efficiency in light-load applications, and fixed-frequency PWM mode, which reduces RF interference in sensitive applications. The MAX1777 features a 200kHz/5V and 300kHz/3.3V SMPS for highest efficiency, while the MAX1977 features a 400kHz/5V and 500kHz/3.3V SMPS fo.


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