The electronic components BP5220A, BP5221A, electronic component BP5222A, are DC / DC converters that use a pulse width modulation (PWM) system. They contain control circuits, switching devices, rectifiers, and coils, and operate by only connecting an I / O smoothing capacitor.
With a high efficiency of power conversion, the modules are available in stand-alone
9-pin SIP packages with no heat sink required. They can be applied to various purposes by fine-adjusting the output voltage and switching on and off. With a wide range of input voltage, the modules are best suited for obtaining a stable local power supply from a main power supply with a large voltage variation.
Thursday, April 21, 2011
Description Introduction about IC parts 74LVX161284A
The electronic components LVX161284A contains eight bidirectional data buffers and eleven control/status buffers to implement a full IEEE 1284 compliant interface. The device supports the IEEE 1284 standard, with the exception of output slew rate,and is intended to be used in an Extended Capabilities Port mode (ECP). The pinout allows for easy semiconductor connection from the Peripheral (A-side) to the Host (cable side).
Outputs on the cable side can be configured to be either open drain or high drive (± 14 mA) and are connected to aseparate power supply pin (VCCcable) to allow these outputs
to be driven by a higher supply voltage than the A-side. The pull-up and pull-down series termination resistance of these outputs on the cable side is optimized to
drive an external cable. In addition, all inputs (except HLH) and outputs on the cable side contain internal pull-up resistors connected to the VCCcable supply to provide proper termination and pull-ups for open drain mode.
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Outputs on the cable side can be configured to be either open drain or high drive (± 14 mA) and are connected to aseparate power supply pin (VCCcable) to allow these outputs
to be driven by a higher supply voltage than the A-side. The pull-up and pull-down series termination resistance of these outputs on the cable side is optimized to
drive an external cable. In addition, all inputs (except HLH) and outputs on the cable side contain internal pull-up resistors connected to the VCCcable supply to provide proper termination and pull-ups for open drain mode.
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Wednesday, April 20, 2011
DESCRIPTION about electronic component LVX273 and Industry web recommended
The semiconductor LVX273 has eight edge-triggered D-type flip-flops with
individual D inputs and Qoutputs. The common buffered Clock (CP) and Master Reset (MR)
input load and reset (clear) all flip-flops simultaneously.
The register is fully edge-triggered. The state of each Dinput, one setup time before the
LOW-to-HIGH clock transition,is transferred to the corresponding flip-flop’s Q output.
All outputs will be forced LOW independently of Clock or Data inputs by a LOW voltage
level on the MR input.
The device is useful for applications where the true output only
is required and the Clock and Master Reset are common to all storage elements. The inputs
tolerate up to 7V allowing interface of 5V systems to 3V systems.
The following information about electronic component M41T00 features from Hqew.net.
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individual D inputs and Qoutputs. The common buffered Clock (CP) and Master Reset (MR)
input load and reset (clear) all flip-flops simultaneously.
The register is fully edge-triggered. The state of each Dinput, one setup time before the
LOW-to-HIGH clock transition,is transferred to the corresponding flip-flop’s Q output.
All outputs will be forced LOW independently of Clock or Data inputs by a LOW voltage
level on the MR input.
The device is useful for applications where the true output only
is required and the Clock and Master Reset are common to all storage elements. The inputs
tolerate up to 7V allowing interface of 5V systems to 3V systems.
The following information about electronic component M41T00 features from Hqew.net.
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Tuesday, April 19, 2011
Electronic components Industry recommended and model introduction
Electronic components famous enterprise is Hqew.net,many hot model such as Lm358,lm317， ne555 and so on,other 74LV74,Introduces the FEATURES about electronic components 74LV74 and electronic component lm358 details.
FEATURES
1.Wide operating voltage: 1.0 to 5.5V
2.Optimized for Low Voltage applications: 1.0 to 3.6V
3.Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V
4.Typical VOLP (output ground bounce) 0.8V @ VCC = 3.3V,
Tamb = 25°C
5.Typical VOHV (output VOH undershoot) 2V @ VCC = 3.3V,
Tamb = 25°C
6.Output capability: standard
7.ICC category: flip-flops
The electronic component 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.
FEATURES
1.Wide operating voltage: 1.0 to 5.5V
2.Optimized for Low Voltage applications: 1.0 to 3.6V
3.Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V
4.Typical VOLP (output ground bounce) 0.8V @ VCC = 3.3V,
Tamb = 25°C
5.Typical VOHV (output VOH undershoot) 2V @ VCC = 3.3V,
Tamb = 25°C
6.Output capability: standard
7.ICC category: flip-flops
The electronic component 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.
Thursday, April 14, 2011
Description about ic components M41T00 introduction
The following information about electronic component M41T00 description from Hqew.net below:
The M41T00 is a low power serial real time clock with a built-in 32.768 kHz oscillator (external crystal controlled). Eight bytes of the RAM are used for the clock/calendar function and are configured in binary coded decimal (BCD) format.
Addresses and data are transferred serially via a two-line bidirectional bus. The built-in address register is incremented automatically after each WRITE or READ data byte.
The electronic components M41T00 clock has a built-in power sense circuit which detects power failures and
automatically switches to the battery supply during power failures. The energy needed to
sustain the RAM and clock operations can be supplied from a small lithium coin cell.
Typical data retention time is in excess of 5 years with a 50 mA/h 3 V lithium cell (see
Section 2.10:Data retention mode for AC/DC characteristics).
The M41T00 is supplied in 8-lead plastic small outline package.
The M41T00 is a low power serial real time clock with a built-in 32.768 kHz oscillator (external crystal controlled). Eight bytes of the RAM are used for the clock/calendar function and are configured in binary coded decimal (BCD) format.
Addresses and data are transferred serially via a two-line bidirectional bus. The built-in address register is incremented automatically after each WRITE or READ data byte.
The electronic components M41T00 clock has a built-in power sense circuit which detects power failures and
automatically switches to the battery supply during power failures. The energy needed to
sustain the RAM and clock operations can be supplied from a small lithium coin cell.
Typical data retention time is in excess of 5 years with a 50 mA/h 3 V lithium cell (see
Section 2.10:Data retention mode for AC/DC characteristics).
The M41T00 is supplied in 8-lead plastic small outline package.
Characteristics and DESCRIPTION about electronic components L6201
1.SUPPLY VOLTAGE UP TO 48V
2.5A MAX PEAK CURRENT (2A max. for electronic components L6201)
3.TOTAL RMS CURRENT UP TO
4.L6201: 1A; L6202: 1.5A; L6203/L6201PS: 4A
5.RDS (ON) 0.3 W (typical value at 25 °C)
6.CROSS CONDUCTION PROTECTION
7.TTL COMPATIBLE DRIVE
8.OPERATING FREQUENCY UP TO 100 KHz
9.THERMAL SHUTDOWN
10.INTERNAL LOGIC SUPPLY
11.HIGH EFFICIENCY
DESCRIPTION
The I.C. is a full bridge driver for motor control applications realized in Multipower-BCD
technology which combines isolated DMOS power transistors with CMOS and Bipolar circuits
on the same chip.
By using mixed technology it has been possible to optimize the logic circuitry and the
power stage to achieve the best possible performance. The DMOS output transistors can
operate at supply voltages up to 42V and efficiently at high switching speeds. All the
logic inputs are TTL, CMOS and mC compatible. Each channel (half-bridge) of the device is
controlled by a separate logic input, while a common enable controls both channels.
The I.C. is mounted in three different packages.
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2.5A MAX PEAK CURRENT (2A max. for electronic components L6201)
3.TOTAL RMS CURRENT UP TO
4.L6201: 1A; L6202: 1.5A; L6203/L6201PS: 4A
5.RDS (ON) 0.3 W (typical value at 25 °C)
6.CROSS CONDUCTION PROTECTION
7.TTL COMPATIBLE DRIVE
8.OPERATING FREQUENCY UP TO 100 KHz
9.THERMAL SHUTDOWN
10.INTERNAL LOGIC SUPPLY
11.HIGH EFFICIENCY
DESCRIPTION
The I.C. is a full bridge driver for motor control applications realized in Multipower-BCD
technology which combines isolated DMOS power transistors with CMOS and Bipolar circuits
on the same chip.
By using mixed technology it has been possible to optimize the logic circuitry and the
power stage to achieve the best possible performance. The DMOS output transistors can
operate at supply voltages up to 42V and efficiently at high switching speeds. All the
logic inputs are TTL, CMOS and mC compatible. Each channel (half-bridge) of the device is
controlled by a separate logic input, while a common enable controls both channels.
The I.C. is mounted in three different packages.
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market and platform,If you are engaged in IC industry,Suggest you go to the web in search
of the information of you need material.Offer popular hot ic components model for example
lm358,lm317,ne555,lm324,lm339.
Wednesday, April 13, 2011
Describe and characteristics about ic components LMC568 details
The electronic components LMC568 is an amplitude-linear phase-locked loop consisting of a linear
VCO, fully balanced phase detectors, and a carrier detect output. LMCMOS™ technology is employed for
high performance with low power consumption.
The VCO has a linearized control range of ±30% to allow demodulation of FM and FSK signals. Carrier
detect is indicated when the PLL is locked to an input signal greater than 26 mVrms. electronic component LMC568 applications include FM SCA and TV second audio program decoders, FSK data demodulators,and voice pagers.
Features
1.Demodulates ±15% deviation FM/FSK signals
2.Carrier Detect Output with hysteresis
3.Operation to 500 kHz input frequency
4.Low THD—0.5% typ. for ±10% deviation
5.2V to 9V supply voltage range
6.Low supply current drain
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VCO, fully balanced phase detectors, and a carrier detect output. LMCMOS™ technology is employed for
high performance with low power consumption.
The VCO has a linearized control range of ±30% to allow demodulation of FM and FSK signals. Carrier
detect is indicated when the PLL is locked to an input signal greater than 26 mVrms. electronic component LMC568 applications include FM SCA and TV second audio program decoders, FSK data demodulators,and voice pagers.
Features
1.Demodulates ±15% deviation FM/FSK signals
2.Carrier Detect Output with hysteresis
3.Operation to 500 kHz input frequency
4.Low THD—0.5% typ. for ±10% deviation
5.2V to 9V supply voltage range
6.Low supply current drain
The above information from a web site Hqew.net,A professional Ic trading market and
platform,If you are engaged in IC industry,Suggest you go to the web in search of the
information of you need material.Offer popular hot ic components model for example
lm358,lm317,ne555,lm324,lm339.
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