Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTM4651, a nonisolated inverting output µModule regulator that can generate –26.5V to –0.5V output from a positive input supply voltage. The LTM4651 operates over a 3.6V to 58V input voltage range and is housed in a 15mm x 9mm x 5.01mm BGA package, a compact […]
Regulators
CMOS LDO regulators target mobile apps
Toshiba America Electronic Components, Inc. (TAEC) today announced a new family of CMOS low dropout (LDO) regulators: the TCR4DG series. Consisting of general-purpose, single-output voltage regulators with on/off control input, low output noise voltage and low inrush current, the TCR4DG series is available in fixed output voltages between 1.0V and 4.5V – capable of driving […]
Step-down switch regulator needs no exta surge suppression
Analog Devices, Inc. announces the LTC7103, a 2.3A, 105V input capable synchronous step-down switching regulator. Its wide 4.4V to 105V input voltage range is designed for operation from a continuously high voltage input source or from an input that has high voltage surges, eliminating the need for external surge suppression devices. This makes the LTC7103 […]
Next-gen dc switching regulators handle up to 1 A with 96% efficiency
CUI’s Power Group today announced the addition of four new series to its family of non-isolated dc switching regulators. The next generation VX78‑500, VXO78‑500, VX78‑1000, and VXO78‑1000 series are extremely efficient, typically up to 96%, and balance maximizing economy while delivering a high level of performance as a direct alternative to using linear regulators. Utilizing […]
Dual 3.5-A synchronous buck with spread spectrum modulation reduces EMI
Analog Devices, Inc. announces the LTC7124, a high efficiency, 4MHz synchronous dual output buck regulator that incorporates a constant frequency, peak current mode architecture. Optional spread spectrum frequency modulation is integrated for reducing radiated and conductive EMI noise. The device can deliver up to 3.5A of continuous output current from each channel or generate a […]
High-efficiency, 4-MHz synchronous dual output buck regulators deliver 6 A/channel
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3636 and LTC3636-1 are high efficiency, 4MHz synchronous dual output buck regulators that incorporate a unique constant frequency/controlled on-time, current mode control scheme with phase lockable switching frequency. Further, their innovative design architecture reduces conducted and radiated emissions. The devices can deliver up to […]
Synchronous buck regulators and overcurrent protection (OCP)
by Haifeng Fan, Intersil, a subsidiary of Renesas Electronics Synchronous buck regulators are widely used in industrial and infrastructure applications to step down 12V rails to point-of-load inputs as low as 0.6V for microcontrollers, FPGAs, memory and peripheral I/Os. Overcurrent protection (OCP) is essential to protect these switching regulators from damage by excessive current. Cycle-by-cycle current […]
DC-DC converter modules come in SIPs for board mounting
Eight new dc-dc converters from MEAN WELL span the one to six-watt power range and come in single in-line packages (SIPs). Two of the converters are unregulated 1-W devices while the rest provide 2, 3, and 6-W outputs. All provide ultra-wide input range (the widest 4:1) and an ultra-wide range of working temperatures (-40~+90°C) and […]
Synchronous step-down silent switcher delivers 94% efficiency at 2MHz
Analog Devices, Inc. announces the LT8645S, an 8A, 65V input capable synchronous step-down switching regulator. Its unique Silent Switcher® 2 architecture uses two internal input capacitors as well as internal BST and INTVCC capacitors to minimize the area of the hot loops. Combined with very well controlled switching edges and internal construction with an integral […]
Synchronous step-down silent switcher puts out 6 A, features ultra-low EMI/EMC emissions
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8640S, a 6A, 42V input synchronous step-down switching regulator. Its unique Silent Switcher 2 architecture uses two internal input capacitors as well as internal BST and INTVCC capacitors to minimize the area of the hot loops. Combined with very well controlled switching edges and an […]
