Per channel output current of 250mA is no inductors spread spectrum step-down DC/DC converter
Sprinter company of LTC3252 type spread frequency buck transform device of features is as follows: used low noise 2 phase spread frequency switch system structure; double current output, output current for 250mA; efficiency up to 88%; entered voltage range for 2.7V~5.5V; output voltage for 0.9V~1.6V; spread frequency frequency range for 1~1.6MHz; power current for 60 μ-a, closed machine current <1 μ-a; occupied circuit plate area <35mm2; used 4x3mm The DFN-12 package, and is priced at $ 2.6 (1000 piece quantities).
Design of power supply with high efficiency and flexibility of a mobile device integrated IC
Texas instrument of TPS65010 type integrated IC has following features: may for single lithium ion or lithium polymer battery for linear charger management; has USB or wall Shang mains socket charging of double entered port, meet 100mA/500mA USB requirements; has output current for 1-a, and efficiency for 95% of buck transform device, for I/O and perimeter components (VMAIN) using; has output current for 400mA, and efficiency for 90% of buck transform device, for processor core nuclear ( VCORE) using; has 2x 200mA LDO, for I/O and perimeter components using; enabled LOW-PWR introduction feet may in deep sleep mode Xia reduced or without processor DC Power Jack for Toshiba Satellite P30-40 core nuclear power voltage; static current for 70 μ-a; benchmark voltage precision for 1%; has overheating closed machine protection function; VIB, and PG and LED2 three root introduction feet has 1 kV HBM and CDM function; used 48 feet 7x7mm QFN package, price for 4.99 dollars (1000 pieces batch)
Board area occupied and SO-8 are the same “high efficiency” MOSFET
Vishay Intertechnology company PowerPAK SO-8 MOSFET characteristics are as follows: power consumption can be reduced up to 60%; the drain current is larger than the standard MOSFET SO-8 package 45%; use Board area to reduce 53%, thin profile 55%; intended to be applied to servers and desktops in the single-phase or poly-phase power supply circuit, requires a 30V devices notebooks, as well as fixed DC/DC converter and load points in a telecommunication equipment (POL) converters.
Advanced Load 12V input DC/DC converter
Artesyn technology company launched has SMT05E type, and SMT10E type and SMT15E type three species advanced of 12V entered load points DC/DC transform device, they of features is as follows: 0.8V~3.63V of output voltage may by a only external resistance device to set; output current has 5-a, and 10A or 15A three species specifications; does not needs minimum load; may and circuit plate Shang 12V normal bus power together using; price: SMT05E (5A transform device) for 8 dollars ; SMT10E (10A converter) to $ 10.45; SMT15E (15A converter) for us $ 14 (10,000 batch)
Excellent line and load regulation ability of switching regulators
Beta Dyne Corporation launched the SR20 and SRA40 are excellent line and load regulation ability and 20W constant-frequency current-mode boost transformer. SR20 input voltage is 5~8V, output voltage 9V, 12V, 15V, 18V and 24V five, and the SRA40 the input voltage is 10V~17V, the output voltage 15V, 18V and 24V three. In order to work correctly, switching regulators require a low impedance power source or input and output capacitance of minimum 1000 μ f. Both regulators the package dimensions are 1x2x0.39 inches. Intended to be applied to the battery charger, external modems, xDSL/standby system power supply, communications, LAN and network system of hardware and point of sale (POS) system. The SR20 is priced at $ 49; SRA40 is priced at $ 65.
PlugNDrive of household appliances with integrated power modules
International Rectifier company of IRAMS10UP60A type integrated power module of features is as follows: rated current for 10A; for 400 to 750W motor drive design; in V/Hz control loop in the using more parallel current feedback, no circuit layout limit; has built-in overheating/had flow protection circuit; integrated of owes pressure cut off function up anti-fault role; very applies Yu washing machine, and indoor air conditioning machine and commercial refrigerator; price for 8.3 dollars ( 10,000 batch) International Rectifier company
Integration of 700V power switch offline power switching regulator
On semiconductor recently launched four new offline power supply switching regulators, each are integrated a 700 volt (v) the power switch, with its unique performance characteristics, for digital cameras, digital video camera and player, battery charger, wall-mounted adapter, white goods, consumer electronics, industrial equipment and auxiliary units of LED display applications such as power supplies.
New NCP1012 and NCP1013 devices are used for low standby energy consumption off-line switching power supplies (SMPS) single-chip switching regulators, respectively and 250mA programmable current limit, designers can choose from several preset limit value to meet their application requirements. These two devices have been equipped with fixed switching frequency of 100kHz or 133kHz. To improve the overall stability of power, soft start with real ability of these devices to prevent boot overheating or overvoltage on power component damage.
Transformer size shrink 50% PWM controller
Sprinter LT1950 of the features of the company are as follows: with programmable Adaptive voltage clamp (clamp the maximum duty cycle), the front hidden surface, slope compensation and UVLO; current mode control with 16 pins SSOP package; is priced at $ 2.9 (1000 piece quantities)
Common mounting isolation of multiple NPT IGBT packaging
International Rectifier company of IRGIB7B60KD type NPT IGBT of features is as follows: new devices can in up to 175 ℃ of knot temperature Xia work; modulation frequency up to 20kHz; has 10 μ s of short circuit rated value; can respectively provides 8-a, and 10A and 15A of current rated value; 600V non-wearing pass (NPT) IGBT loaded into TO-221 full isolation (full package seal) package in the, minimum isolation voltage for 2kV ; Price US $ 0.63 (10,000 batch).
From multiple lead-free SMD series PolySwitch devices
Tyco Electronics Raychem circuit protection PolySwitch SMD series under the self-dual lead-free devices is now available. SMD series is designed for portable electronic devices, computers and peripherals, communication equipment, and designed for automotive applications, including nanoSMD, microSMD, miniSMD C-design devices and other products. These devices have small size, of current and voltage applied to a wide range of advantages. As a result of the surface-mount, these devices save board space is particularly suitable for demanding product designed to provide combined circuit protection.
New lead-free SMD devices technical specifications consistent with the lead standard devices, can withstand a variety of higher melting temperature of lead welded alternative required, and you can install using current reflow, thus contributing to the process of evolution to lead-free manufacture and Assembly. SMD devices solderability meets the standards of the industry technical specifications, including J-STD-002, and so on.
A linear current sensing motor and inverter drive chipsets
International Rectifier (IR) launched a brand new chipset, for IR iMOTION integrated design specifically designed for motor control and simulation-level platform. The chip contains a new IR2175 linear current sensor IC and existing IR2136 three-phase inverter drive ICS.
IR2175 provides current feedback information, and provide higher bandwidth and faster acceleration of high-speed frequency output (Fo=130kHz) performance, can meet the demanding servo applications, such as high-speed printing, packaging, and machine tools, or even robots and location platform automation applications.
Acted as a IRMC0201 level and digital control of analog level chipsets iMOTION integrated design platform and engine power levels between “bridges”. A new IR2175 device is designed for three-phase 230V AC or DC Brushless industrial drive applications and design, built-in current sensing and protection circuit. IR2175 motor driver circuit to eliminate external optical or Hall-effect sensor, thus reducing the circuit size, simplified design and improved reliability.
Dual output synchronous buck DC/DC converters
Sprinter company (Linear Technology) launches 1.5MHz with dual-output high efficiency synchronous buck regulator LTC3407, through two separate channels offering up to 600mA continuous output current. LTC3407 constant-frequency current-mode structure, input voltage range of 2.5V~5.5V, making it a single lithium ion battery, alkaline or nickel metal hydroxide (NiMH) battery applications the ideal choice.
LTC3407 produces two independent output voltages as low as 0.6V, to power the latest generation of low-voltage DSP and microcontroller. 1.5MHz switching frequency allows using the height below 1.2mm low cost miniature ceramic capacitors and inductors. Dual-output structure, slim external components and MSOP packages make LTC3407 a minimum volume of dual output voltage rail synchronous buck solutions. LTC3407 uses RDS (ON) only 0.35 ω internal switch tube, which, up to 96%.
PowerQor Peta series wide input range half-brick bus converters
SynQor’s new series of half-brick package of high efficiency, high power DC/DC converters. Latest 48V input PowerQor Peta series offers veneer and open framework, up to 240W output power at 12V or 5V.
PowerQor Peta series converters very efficient, to more than 93%, are ideal for intermediate bus architecture to require the full input range of telecommunications (IBA) applications provide an intermediate bus voltage.
PowerQor Peta product series half brick wide input voltage range from between 36V (nominal 48V), 12V (20A) and 5.0V (45A) regulated output voltage. 2000V isolated voltage case, the converter can be used as single-output DC/DC converters modules for 5V and 12V application, or as wide input bus converters use.
SC75 FLMP package of low-voltage MOSFET
Fly semiconductor company (Fairchild Semiconductor) introduces new FDJ129P p-Channel MOSFET devices, integrated power management for portable devices bring performance and space-saving advantages, these devices include mobile phones, PDA, portable music players, GPS receivers, low voltage/low power DC/DC converters and DC Power Jack for Asus F6a digital cameras, and so on. FDJ129P compact SC75 FLMP (flip pin mold package) fly combines high performance Power semiconductor Trench technology, the results can bring about than SSOT-6 or the TSOP-6 package provides similar MOSFET devices reduce board space by 60%. FDJ129P-power 1.8W, maximum steady-state current is 4.2A, this SC75 package products of the same kind of technology by more than 12 times.
High efficiency small Schottky tube
Zetex company ZXSDS2M832 type small Schottky tube on of features is as follows: are to current for 1A Shi are to voltage for 600mV; used double nude chip 3x2mm micro introduction feet package (MLP); Breakdown voltage for 60V, continuous are to current rated value for 1.65A; double diode replaced single nude chip SOT23 diode; may application Yu are to transform device layout, and portable products in the of diode bridge and DC/DC module.
Pentium 4 microprocessor light radiators
Molex company 37430 CoolFin heatsink fan speeds of 5400rpm with 0.33 ° c/w (32.5 ° F/W) thermal efficiency. Subject to 495gm the heat sink, volume as 88x72x44.7mm, is a cool clock frequency of 3.06GHz and older Pentium 4 x designed microprocessor. It uses electronic stamping heat sink of “hybrid” package, one of the pressing heat sinks were wired together and welded on the copper substrate. In order to fully improve the thermal efficiency, directly attached to the heat source of inner-layer heat sink made of copper, while the outer fins made from nickel plated aluminum to reduce weight. A variety of fin spacing, geometry, material type and thickness available.