Electrical Regulators

Quad Output Regulator protects TFT panels.
Electrical Regulators

Quad Output Regulator protects TFT panels.

Housed in TSSOP-28 package, LT1943 adjustable switching regulator is suited for 22 in. and larger TFT LCD applications. It operates from 4.5-22 V input range, delivering independent outputs for VLOGIC, AVDD, VON, and VOFF. Unit contains 2.4 A buck regulator, 2.6 A boost regulator, TFT biasing output, and inverter. All switchers are synchronized to internal 1.2 MHz clock. It also offers Panel...

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Electrical Regulators

Voltage Regulation ICs suit satellite receiver applications.

Intended for analog and digital satellite receivers, the Low-Noise Block Voltage Regulators (LNBRs) family consists of monolithic linear and switching voltage regulators, which provide power and interface signals to LNB downconverter via coaxial cable. Switching regulator tracks to just above linear regulator output, providing low power dissipation. Available in buck or boost versions, LNBRs...

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Step-Down Regulator features 0.08 ohm bypass MOSFET.
Electrical Regulators

Step-Down Regulator features 0.08 ohm bypass MOSFET.

Model LTC3408 synchronous, 1.5 MHz buck regulator uses constant frequency, current mode architecture, which operates from input voltage range of 2.5-5 V. Integrated bypass MOSFET can deliver up to 600 mA of continuous output current from tiny 8-lead DFN package. Output can be dynamically programmed from 0.3-3.5 V. At output voltages above 3.6 V, internal bypass P-Channel MOSFET transistor...

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Capacitor-Free LDOs include reverse-current protection.
Electrical Regulators

Capacitor-Free LDOs include reverse-current protection.

Series TPS731xx, TPS732xx, and TPS736xx linear regulators come in 5-pin, SOT-23 packages. Units do not require output capacitor for stability and consume less than 1 Â-µA in shutdown mode. Characteristics include low-dropout voltage of 30 mV, low noise of 30 Â-µVrms from 10 Hz to 100 kHz, and standard output voltages from 1.5-5 V. Products incorporate NMOS Topology and thermal-shutdown...

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Synchronous Step-Down Regulator is 96% efficient.
Electrical Regulators

Synchronous Step-Down Regulator is 96% efficient.

Offered in low-profile, 5-lead ThinSOT(TM) package, LTC3406B-2 synchronous buck regulator delivers up 600 mA of continuous output current. Using constant frequency and current mode architecture, unit operates from input voltage of 2.5-5.5 V. It generates output voltages as low as 0.6 V and has 2.25 MHz switching frequency that keeps noise out of AM radio and xDSL frequency bands. Regulator...

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Electrical Regulators

Low Dropout Linear Regulators suit portable applications.

Model SP6205 provides up to 500 mA with 300 mV dropout, while Model SP6203 provides 300 mA with 180 mV dropout. Supply current is 45 Â-µA, which reduces to 10 nA in shutdown, extending battery life in portable applications. Both units generate 12 Â-µVRMS of output noise with tiny 10 nF bypass capacitors. Packaged in SOT-23, devices operate from 2.7-6 V input supply. Fixed output voltages...

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Switching Regulator features low 100 -µA quiescent current.
Electrical Regulators

Switching Regulator features low 100 -µA quiescent current.

Model LT1976EFE step-down regulator operates within input voltage range of 3.3-60 V. Internal 1.5 A, 0.2 ohm switch delivers up to 1.25 A of continuous output current to voltages as low as 1.25 V. Combination of thermally enhanced TSSOP package and 200 kHz switching frequency keeps external inductors and capacitors small. Unit includes power good flag with programmable threshold and time-out. It...

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Low-Dropout Regulator has 3.0 A continuous output current.
Electrical Regulators

Low-Dropout Regulator has 3.0 A continuous output current.

With 0.9 V output voltage capability, MIC49300 dual supply LDO responds instantly to abrupt changes in load current. Main supply requires 400 mV headroom to maintain proper regulation, while second supply provides bias voltage to control circuit. Housed in S-Pak 5-lead package, product offers gain bandwidth of up to 10 MHz and supports input voltage as low as 1.4 V. Other features include thermal...

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DC/DC Controllers provide output voltages down to 0.8 V.
Electrical Regulators

DC/DC Controllers provide output voltages down to 0.8 V.

Models MIC2198/9, offering current capability of 20 A, can power CPUs, DSPs, and FPGAs with up to 95% efficiency. Input voltage range is 4.5-32 V, making them suitable for 5, 12, and 24 V power bus systems. Model MIC2198 operates at 500 kHz, while Model MIC2199 operates at 300 kHz. Both units are housed in 4 x 4 mm MLFTM 12-lead package, and provide PWM current mode control, cycle-by-cycle...

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Electrical Regulators

Integrated Circuit has 50 mA output current capability.

With 13.2-100 V operating input voltage range, LR12 adjustable linear regulator provides circuit protection. Product also offers adjustable output voltage of 1.20-88 V and provides output current limiting (100 mA max) for fail-safe protection system design. It operates normally at 10 uA of quiescent current and can be put into low power shutdown state by back biasing output. Offered in TO-92,...

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