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Part Name(s) : AND8039 AND8039/D AND8039D
Description : The One-Transistor Forward Converter
ON Semiconductor

The one–transistor forward converter is the most elementary form of transformer–isolated buck converter. It is typically used in off–line applications in the 100–300 watt region. This application note illustrates the approach one would take to design a high DC input voltage, one–transistor forward converter.

Part Name(s) : NJU7662 NJU7662D NJU7662M
Japan Radio Corporation


Part Name(s) : NJU7660A NJU7660AM NJU7660AM-TE1 NJU7660AV NJU7660AV-TE1
Japan Radio Corporation

NJU7660A is a CMOS switched capacitor, voltage converter designed to be an Improved direct replacement of popular 7660/1044.
NJU7660A provides several voltage conversion functions.
The application circuit of negative voltage (VOUT= -VIN) converter requires only two capacitors, and positive twofold voltage(VOUT=2VIN) converter requires two capacitors and two diodes as external components.

 Full Compatible with NJU7660
 Correspond to MLCC and electrolytic capacitor
 Twofold positive Output
 Polarity-converted Negative voltage Output
 Operating voltage range :+1.5V to +10V(for Negative voltage converter)
                                  :+3.0V to +10V(for Twofold voltage converter)
 High-efficiency voltage conversion rate :99.9%(No load, Negative voltage converter)
 Few external components :2 capacitors(Negative voltage converter)
                                   :2 capacitors, 2diode(Twofold voltage converter)
 Package Outline :DMP8, SSOP8
 CMOS Technology


Part Name(s) : ADC3511 ADC3511CC ADC3511CCN ADC3711 ADC3711CC ADC3711CCN
Description : 3 ½-Digit Microprocessor Compatible A/D Converter
National ->Texas Instruments

ADC3511 : 3 1/2 - Digit Microprocessor Compatible A/D Converter
ADC3711 : 3 3/4 - Digit Microprocessor Compatible A/D Converter

Part Name(s) : BP5046 BP5046NBSP
Description : AC/DC converter
ROHM Semiconductor

AC/DC converter
AC220V input, −12V/200mA output


Part Name(s) : TPS65163 TPS65163RGZR TPS65163RGZT
Description : LCD Bias Supply With Integrated Level Shifters
Texas Instruments

The TPS65163 integrates a boost converter, buck converter, reset generator, two charge pump
controllers and a nine-channel level shifter in a single device.


Part Name(s) : LC72344W LC72345W
Description : Low-Voltage ETR Controller with On-Chip DC-DC Converter
SANYO -> Panasonic

The LC72344W and LC72345W are low-voltage electronic tuning microcontrollers that include a DC-DC converter, a PLL that operates up to 230 MHz, a 1/4 duty 1/2 bias LCD driver and other functions on chip. The built-in DC-DC converter provided by these ICs can easily implement a tuning system voltage generator circuit, and furthermore, since the transistor required for the low-pass filter is built in, these ICs can contribute to further end product cost reductions. Additionally, the DC-DC converter output voltage can be provided to other external ICs, making these products optimal for low-voltage portable audio equipment that includes a radio receiver.

Part Name(s) : AKD4555-E
Description : Evaluation board Rev.0 for AK4555
Asahi Kasei Microdevices

AKD4555-E is an evaluation board for the portable digital audio 16bit A/D and D/A converter, AK4555. The AKD4555-E can evaluate A/D converter and D/A converter separately in addition to loopback mode (A/D → D/A). The A/D section can be evaluated by interfacing with AKM’s DAC evaluation boards directly. The AKD4555-E has the interface with AKM’s ADC evaluation boards. Therefore, it’s easy to evaluate the D/A section. The AKD4555-E also has the digital audio interface and can achieve the interface with digital audio systems via opt-connector.

• Compatible with 2 types of interface
   - Direct interface with AKM’s A/D & D/A converter evaluation boards
   - DIT/DIR with optical input/output


Part Name(s) : SLVU357
Description : Using the TPS650001/3/6 2.25 MHz Step-Down Converter with Dual LDO
Texas Instruments

The TPS650001/3/6 is a single chip Power Management ICs for portable applications. The device combines a single step-down converter with two low dropout regulators. The step-down converter enters a low power mode at light load for maximum efficiency across the widest possible range of load currents. For low noise applications the device can be forced into fixed frequency PWM mode. The step-down converter allows the use of a small inductor and capacitors to achieve a small solution size. The step-down converter has Power Good status output that can be used for sequencing. The LDOs are capable of supplying 300mA and can operate with an input voltage range between 1.6V and 6.0V, allowing them to be supplied from the step-down converter or directly from the main battery. The step-down converter and the LDOs have separate voltage inputs and enables, allowing for design and sequencing flexibility.

• Input Voltage Rating : 2.3-V up to 6.0-V
• Output Voltages of DCDC converter and LDOs internally fixed (see Table 1)
• Output Current Rating 600-mA (DCDC converter) / 300-mA (LDOs)
• Spread Spectrum Clock (SSC) for best EMI performance
• 2.25-MHz Switching Frequency
• 16 pin 3mm × 3mm QFN package

• Point of Load
• Embedded Processor Power
• Cell Phones, Smart-phones
• PDAs, Pocket PCs
• Portable Media Players

Part Name(s) : CD4010BMS
Description : CMOS Hex Buffer/Converter

CD4010BMS Hex Buffer/Converter may be used as CMOS to TTL or DTL logic-level converter or CMOS high-sink-cur rent driver.

• Non-Inverting Type
• High-Voltage Type (20V Rating)
• 100% Tested for Quiescent Current at 20V
• Maximum Input Current of 1µA at 18V Over Full Package-Temperature Range;
   - 100nA at 18V and +25oC
• 5V, 10V and 15V Parametric Ratings

• CMOS To DTL/TTL Hex Converter
• CMOS Current “Sink” or “Source” Driver
• CMOS High-to-Low Logic-Level Converter
• Multiplexer - 1 to 6 or 6 to 1




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