September 1st, 2009
July 23rd, 2009
It is recommended that you should not exceed FAN5631/5632 or design them to their Absolute Maximum Ratings as stated to ensure optimal performance in the datasheet specifications. The recommended operating conditions are Vcc (supply voltage range) 2.2 to 5.5V, Iout (Output Current/Vin > 2V) max 250mA, and Ta (operating ambient temperature range) -40 to +85 C which typically +25 C. [...]
July 1st, 2009
LM3354 is a switched capacitor DC/DC converters that can be programmed for an output of 4.1V, which is an ideal voltage on driving white LED applications such a color LCD display in cellular phones, PDAs, and handheld computers. For common, white LED are used for backlight or frontlight purposes but it needs the battery voltage to be boosted since the white LED has a high voltage drop as compared to another LED. [...]
August 2nd, 2009
If you need to design a Step-Up, Step-Down and Voltage-Inverting applications with a minimum number of external components, you may consider The MC34063A Inverting Switching Regulators Series since this device are specifically designed to be incorporated with those purposes. The circuit diagram below is one of MC34063A DC-to-DC Converter Control Circuit which perform Step–Up Converter schematic (click to enlarge). [...]
August 17th, 2012
Brushless DC Motor Circuit can be completed in TDA5140A Datasheet. [...]
August 15th, 2012
A: Apply momentary ground to reset hours to zero.
B: When using the MTH6 with inductive loads, we recommend installing a suppression diode across all coils.
C: Terminals 4 and 8 may be grounded on negative ground power supply.
D: Alternator must be equipped with a tach terminal (auxiliary AC terminal).
E: Connecting full battery potential to terminal 9 can cause damage
to the switchgage. Shutdown circuit is rated for 300 mA continuous. Circuit grounds out at set point. [...]
August 14th, 2012
Integrated laser drivers is recommended for fast switching, since signal changes will move faster because of reduced wiring line inductance and capacitance. The use of integrated laser driver circuit gives some benefit such as: output power stability improvement, board space reduction, error monitoring, better dynamic performance, and MTBF reliability improvement. [...]
August 10th, 2012
The phase shift oscillator works in such a way that if the amplitude of the inverting amplifier is not high enough the system will continually attenuate the signal until the amplitude is zero, it was therefore decided to change the amplification power of the inverting amplifier. [...]
August 8th, 2012
The schematic diagram shows NCP1034 demo board which is designed with many options. You can see such a linear regulator which has function for powering the IC with Zener diode, compensation circuit of second or third type, ceramic or electrolytic output capcitors and various input capacity. [...]