Wednesday, March 23, 2011

Description about Ic components VND5004A-E and VND5004ASP30-E Features

The electronic components VND5004ATR-E and electronic component VND5004ASP30-E are devices made using STMicroelectronics VIPower
technology. They are intended for driving resistive or inductive loads with one side connected to ground.

Active VCC pin voltage clamp and load dump protection circuit protect the devices against transients on the Vcc pin (see ic components ISO7637 transient compatibility table). These devices integrate an analog current sense which delivers a current proportional to the load current (according to a known ratio) when CS_DIS is driven low or left open. When CS_DIS is driven high, the CURRENT SENSE pin is high impedance.

Output current limitation protects the devices in overload condition. In case of long duration overload, the devicesa limit the dissipated power to a safe level up to thermal shut-down intervention. Thermal shut-down with automatic restart allows the device to recover normal operation as soon as a fault condition disappears.

Tuesday, March 22, 2011

ICS model more than ten million

If you ask how many models of electronic components or ic components?

I think that many people are not answer this doubt,electronic components of the model  More than ten billion,ICS of the model More than ten million.

For eaample:

The LM158 series consists of two independent, high gain, internally frequency  compensated operational amplifiers which were designed specifically to operate from a  single power supply over a wide range of voltages.

Did you know Hqew.net supply many electronic component,such LM358/LM317/NE555/LM324/LM339,It  is a trading platform for electronic components and ICS.

Monday, March 21, 2011

Ic components LTC1736 FEATURES and APPLICATIOU

Ic components LTC1736 Is common in electronic components market,electronic component
LTC1736 5-Bit Adjustable,High Efficiency Synchronous,Step-Down Switching Regulator,the
detailed features and application below:
FEATURES
Dual N-Channel MOSFET Synchronous Drive
1.Synchronizable/Programmable Fixed Frequency
2.Wide VIN Range: 3.5V to 36V Operation
3.5-Bit Digital-to-Analog VOUT Selection:
0.925V to 2.00V Range with 50mV/25mV Steps
4.OPTI-LOOPTM Compensation Minimizes COUT
5.±1% Output Voltage Accuracy
6.Power Good Output Voltage Monitor
7.Active Voltage Positioning Compatible
8.Output Overvoltage Crowbar Protection
9.Internal Current Foldback
10.Latched Short-Circuit Shutdown Timer
with Defeat Option
11.Forced Continuous Control Pin
12.Optional Programmable Soft-Start
13.Remote Output Voltage Sense
14.Available in 24-Lead SSOP Package
APPLICATIOU
1.Notebook and Palmtop Computers, PDAs
2.Power Supply for Mobile Pentium® II and
Pentium III Processors
3.Low Voltage Power Supplies
There are other ic components such as ic components LM358/LM317/NE555/LM324/LM339 is popular,I 
recommend a website HQEW.NET to know more about electronic components information.

Thursday, March 17, 2011

Electrical Characteristics of electronic components lm317

Electrical Characteristics of electronic components lm317 follows:
Specifications with standard type face are for TJ = 25°C, and those with boldface type
apply over full Operating Temperature
Range. Unless otherwise specified, VIN  VOUT = 5V, and IOUT = 10 mA.

Function about Electronic components LM101A/LM201A/LM301A

Electronic components LM101A/LM201A/LM301A provides better accuracy and lower noise in high impedance circuitry. The low input currents also make it particularly well suited for long interval integrators or timers, sample and hold circuits and low frequency

waveform generators. Further, replacing circuits where matched transistor pairs buffer the inputs of conventional IC op amps, it can give lower offset voltage and
a drift at a lower cost.

The ic components LM101A is guaranteed over a temperature range of
55°C to +125°C, the LM201A from
25°C to +85°C, and
the electronic component LM301A from 0°C to +70°C.

Wednesday, March 16, 2011

description information of electronic components lm358dr

These devices consist of two independent,high-gain, frequency-compensated operational
amplifiers designed to operate from a single supply over a wide range of voltages. Operation from split supplies also is possible if the difference between the two supplies is 3 V to 32 V (3 V to 26 V for the electronic components LM2904), and VCC is at least 1.5 V more positive than the input common-mode voltage. The low supply-current drain is independent of the magnitude of the supply voltage.

Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational amplifier circuits that now can be implemented more easily in single-supply-voltage systems. For example, these devices can be operated directly from the standard 5-V supply used in digital systems and easily can provide the required interface ic components without additional ±5-V supplies.

Tuesday, March 15, 2011

Buy lm358 parts Online, download datasheets, View Manufacturer Info at hqew.net

hqew.net is the trade market of electronic components,supply LM358、005BB、02CZ39、electronic component 02CZ12-Y、0243-00
Low Power Dual Operational Amplifier
Introduction the features of ic components LM358
•  Available in 8-Bump micro SMD chip sized package, (See AN-1112)
•  Internally frequency compensated for unity gain
•  Large dc voltage gain: 100 dB
•  Wide bandwidth (unity gain): 1 MHz (temperature compensated)
•  Wide power supply range:
•  Single supply: 3V to 32V
•  or dual supplies: ±1.5V to ±16V
•  Very low supply current drain (500 µA)-essentially independent of supply voltage
•  Low input offset voltage: 2 mV
•  Input common-mode voltage range includes ground
•  Differential input voltage range equal to the power supply voltage
•  Large output voltage swing