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Evaluates:  MAX1566/MAX1567 MAX1567 Evaluation Kit General Description Features
Evaluates: MAX1566/MAX1567 MAX1567 Evaluation Kit General Description Features

... Outputs OUT3+ and OUT3- are for driving a series of white LEDs for backlighting. The EV kit comes with four surface-mount white LEDs installed and is configured to drive the LEDs at a regulated 20mA. To protect against an open LED string, the overvoltage protection sets the maximum output voltage to ...
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... by regulating the voltage drop across the sense resistor to 113mV with a 25% duty cycle. The STATUS output toggles at 1Hz to indicate the cell is being precharged. Precharging lasts until the measured cell voltage exceeds 1.0V (V LOW ), at which time the DS2710 enters the FAST-CHARGE state. If the c ...
数据资料缩写本 DS28EL25 DeepCover安全认证器, 带有1-Wire SHA-256和4Kb用户EEPROM
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... Note 6: VTL, VTH, and VHY are a function of the internal supply voltage, which is a function of VPUP, RPUP, 1-Wire timing, and capacitive loading on IO. Lower VPUP, higher RPUP, shorter tREC, and heavier capacitive loading all lead to lower values of VTL, VTH, and VHY. Note 7: Voltage below which, ...
AN75 - Circuitry for Signal Conditioning and Power Conversion
AN75 - Circuitry for Signal Conditioning and Power Conversion

... that C1A is overdriven, preventing spurious outputs. The current source operates at almost 5µA. Turning it off after C1A switches saves considerable power, particularly at modest EX values at high conversion rates. When Q5 switches the current source off, charging continues via the 20M–Q1 path, but ...
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... Generally speaking, there are two main directions for PT converter development nowadays. The first one is the Rosen type PT based step up converter which has good advantages for LCD backlight, since it is very thin for the portable device and there is no high voltage winding problems. The second dir ...
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... Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use o ...
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... output buffer to generate VTTR. The buck controller drives two external n-channel MOSFETs to generate output voltages down to 0.7V from a 2V to 28V input with output currents up to 15A. The LDO can sink or source up to 1.5A continuous and 3A peak current. Both the LDO output and the 10mA reference b ...
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Evaluation Board User Guide UG-336

... temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for an ...
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... a combined function of sensitivities of various components, including that of the transduction sections.  device may be rather complex with multiple transduction steps, each one with its own sensitivity, sources of noise and other parameters  some properties may be known but many may not be known ...
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... and High-Voltage Gamma Reference for LCD TVs The MAX17114 generates all the supply rails for thin-film transistor liquid-crystal display (TFT LCD) TV panels operating from a regulated 12V input. It includes a stepdown and a step-up regulator, a positive and a negative charge pump, an operational amp ...
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Schmitt trigger



In electronics a Schmitt trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an active circuit which converts an analog input signal to a digital output signal. The circuit is named a ""trigger"" because the output retains its value until the input changes sufficiently to trigger a change. In the non-inverting configuration, when the input is higher than a chosen threshold, the output is high. When the input is below a different (lower) chosen threshold the output is low, and when the input is between the two levels the output retains its value. This dual threshold action is called hysteresis and implies that the Schmitt trigger possesses memory and can act as a bistable multivibrator (latch or flip-flop). There is a close relation between the two kinds of circuits: a Schmitt trigger can be converted into a latch and a latch can be converted into a Schmitt trigger.Schmitt trigger devices are typically used in signal conditioning applications to remove noise from signals used in digital circuits, particularly mechanical contact bounce. They are also used in closed loop negative feedback configurations to implement relaxation oscillators, used in function generators and switching power supplies.
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