LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

LOW-DROPOUT REGULATORS — HIGH EFFICIENCY Designed specifically to meet the requirement for extended operation of battery-powered equipment such as cordless and cellular telephones, the A8220SLH thru A8233SLH voltage regulators offer the reduced dropout voltage and quiescent current essential fo

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ALLEGRO

Programmable Communications Interface

General Description The a8251 MegaCore function provides an interface between a microprocessor and a serial communications channel. The a8251 receives and transmits data in a variety of configurations including 7- or 8-bit data words, with odd, even, or no parity, and 1 or 2 stop bits. The tra

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ALTERA

阿尔特

PROGRAMMABLE INTERRUPT CONTROLLER

General Description The Altera® a8259 MegaCore™ function is a programmable interrupt controller. The a8259 can be initialized by the microprocessor through eight data bus lines (din[7..0] and dout[7..0]), and the ncs, nrd, nwr, int, and ninta control signals. Figure 1 shows the symbol for the

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ALTERA

阿尔特

LNB SUPPLY AND CONTROL-VOLTAGE REGULATORS

FEATURES ■ LNB selection and standby function ■ Built-in tone oscillator factory trimmed to 22-kHz, facilitates DiSEqC™ (a trademark of EUTELSAT) encoding ■ Tracking switch-mode power converter for lowest dissipation ■ Externally adjustable short-circuit protection ■ LNB short-circuit protec

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ALLEGRO

LNB SUPPLY AND CONTROL-VOLTAGE REGULATORS

FEATURES ■ LNB selection and standby function ■ Built-in tone oscillator factory trimmed to 22-kHz, facilitates DiSEqC™ (a trademark of EUTELSAT) encoding ■ Tracking switch-mode power converter for lowest dissipation ■ Externally adjustable short-circuit protection ■ LNB short-circuit protec

文件：375.12 Kbytes 页数：14 Pages

ALLEGRO

LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR

LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR Intended for analog and digital satellite receivers, the low-noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator designed to provide power and interface signals to the LNB down converter via the coaxial cable. If t

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ALLEGRO

LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR

LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR Intended for analog and digital satellite receivers, the low-noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator designed to provide power and interface signals to the LNB down converter via the coaxial cable. If t

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ALLEGRO

TWO-OUTPUT LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR

TWO-OUTPUT LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR Intended for analog and digital satellite receivers, the low noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator designed to provide power and interface signals to the LNB downconverter via the coaxial c

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ALLEGRO

TWO-OUTPUT LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR

TWO-OUTPUT LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR Intended for analog and digital satellite receivers, the low noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator designed to provide power and interface signals to the LNB downconverter via the coaxial c

文件：177.82 Kbytes 页数：8 Pages

ALLEGRO

LNB Supply and Control Voltage Regulator

LNB Supply and Control Voltage Regulator Intended for analog and digital satellite receivers, the LNB (low noise block) converter regulator is a monolithic linear and switching voltage regulator, specifically designed to provide power and interface signals to an LNB downconverter, via coaxial cab

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ALLEGRO