Micropower DC/DC Controller has No RSENSE(TM) architecture.
Constant frequency, current mode, step-down controller model LTC3772 operates from 2.75-9.8 V input and delivers up to 5 A of output current to voltages as low as 0.8 V. Without requiring current sense resistor, product automatically switches into Burst ModeÃ-® operation at light loads. It consumes 40 Ã-µA quiescent current under no-load condition and features undervoltage lockout, 550...
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DC/DC Converter produces 3.3 V @ 1.4 A from 7-36 V input.
Supplied in 8-lead MSOP package, LT1936 current mode PWM step-down DC/DC converter has internal 1.9 A power switch, 3.6-36 V input range, and adjustable output down to 1.20 V. Soft-start eliminates input current surge during start-up, and 500 kHz operating frequency allows use of ceramic capacitors. Operating at efficiencies to 88%, converter integrates cycle-by-cycle current limit, which...
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DC-DC Converters have compact, insulated design.
CC-E Series utilizes transformer core ferrite materials, multilayer ceramic capacitors, and terminal-board connection technique that reduces mounting area without changing pin positions. Products incorporate internal on-off remote control circuit as well as output voltage variable function. Series includes 136 models, including SMT types, with 5, 12, 24, and 48 V output voltages; 6 output...
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Half Brick DC-DC Converters deliver 120 A output.
Polaris 2 converters have isolated, fixed-frequency design, which uses synchronous rectification to achieve efficiencies up to 92% and operates without de-rating. Having no external bias requirements or min load requirements, units offer remote on/off feature and constant frequency operation. With current density of 46 A/in.Ã-³, single output units deliver 120 A for 1.2, 1.5, and 1.8 V...
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DC/DC Converters use synchronous rectifier technology.
Producing 6 A output currents and 10.8-19.8 W of power, NPX20 series single-output, isolated converters are available in 3 pin patterns. Surface mount and through hole converters are offered with choice of 2 input voltage ranges: nominal 24 V input devices accommodate voltages from 18-36 V, while nominal 48 V input parts accept voltages from 36-75 V. Output voltage options are 1.8, 2.5, and 3.3...
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DC-DC Controller is rated for operation from -40 to 125-
Model LT3724 is suited for use in step-down, step-up, inverting, or SEPIC circuits with up to 100 W of output power. Power supply incorporating controller can convert 4-60 V input supplies to regulated output from 1.23-36 V. Operating at constant switching frequency of 200 kHz, single-chip unit includes Burst ModeÃ-® operation, which minimizes quiescent current below 100 Ã-µA. Operating...
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DC-DC Converter suits 400 mA battery-operated electronics.
Monolithic, step-up, switching Model NCP1423 boosts voltage from 1 or 2 NiMH or NiCd cells up to usable level of 1.8 or 3.3 V. Synchronous rectification eliminates external Schottky diode, while Ring-Killer eliminates high-frequency ringing in discontinuous conduction mode. Switching frequency up to 600 kHz allows for low profile inductor and output capacitor to be used. Other features include...
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Boost Converter has Schottky diode and output disconnect.
Step-up micropower DC/DC converters LT3473 and LT3473A have 2.2-16 V input voltage range and solution size of less than 50 mmÃ-². They operate from single cell Li-Ion batteries up to fixed 15 V input rails, delivering outputs to 34 V. With constant 1.2 MHz switching frequency, products feature internal 1 A, 36 V switch, internal reference override pin, and 2 additional NPN transistors....
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Modular DC-DC Converter delivers 950 W.
Flexistax D950 utilizes two, 500 W, Powerstax F501 full brick DC-DC converters with 2-phase boost converter and customer-specified connectors. Measuring 6.0 x 4.0 x 1.0 in., unit features efficiency of 85% and open construction with no forced air cooling required. Offering variable input from 11-36 Vdc and constant output between 12-48 V, converter is suited for vehicle-mounted applications, as...
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DC/DC Controller has on-chip spread spectrum modulation.
Featuring programmable output voltage tracking, step-down synchronous LTC3808 minimizes need for EMI shields and filters by randomly varying switching frequency from 460-635 kHz. It reduces peak radiated and conducted noise of dc/dc controller alternatively by 20+ dB. Device offers user-selectable 300, 550, or 750 kHz operating frequency or 250-750 kHz PLL operation and converts input voltages of...
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