Functionally based on the Intel device Five 4-bit peripheral ports: P60, P70 Two control signals: CS, Details, datasheet, quote on part number: IC Datasheet, PDF, Data sheet, manual, pdf, , datenblatt, Electronics , alldatasheet, free, datasheet, Datasheets, data sheet. Integrated Circuits – ICs are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Integrated Circuits – ICs. MCU 16 I/O 16K FLASH 1K SRAM. Datasheet, Non-Stocked Lead-Time 28 Weeks.

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Indicates that the product is suitable for gas supply systems PN: Exposure to absolute maximum rating conditions may affect device reliability. The configuration dqtasheet the Pin 1 identifier is optional, but must be located within the zone indicated. The derating curve in Figure 8 allows the designer to see the effect of rising ambient temperature on the maximum power dissipation.

A high-to-low transition on datasheeg PROG input signifies that the address and control bits are available on the P20 port, and a low-to-high transition signifies that data are available on the P20 port. Therefore, the exact current limit characteristic and maximum load capability are a function of the sense resistance, inductor value, and battery and output voltage.

Thus, the capacitor value must be greater than the largest value calculated from below equations. To eliminate noise in audio applications, an ultrasonic mode 8423 included, which maintains the switching frequency above 25kHz.

The soft-start SS automatically begins once the chip is enabled. The on-time one-shot will be triggered if the error comparator is high, the low side switch current is below the current limit threshold, and the minimum off-time one-shot has timed out. It occurs only in PWM mode when the inductor current reverses at light or negative load currents.


Chloride intracellular channel 3 is a member of the p64 family and is predominantly localized in the nucleus and stimulates chloride ion channel activity. Ferrite cores are often the best choice, although powdered iron is inexpensive and can work well at kHz. Devices are ESD sensitive. You need to make a choice to continue. All internal circuitry is inactive during thermal shutdown.

Find a low-loss inductor having the lowest possible DC resistance that fits in the allotted dimensions. Of course, besides the inductor, the output capacitor should also be considered when improving transient response.

The transition load point to the light load operation is shown in Figure 3. Trade offs in PFM noise vs. Once the internal oscillator is triggered, the ultrasonic controller pulls LGATEx high and turns on the is a registered trademark of Richtek Technology Corporation. Thus, the total charge pump voltage, VCP, is: Having read the information on the processing of data: When the on-time has expired, the controller reenables the low side MOSFET until the controller detects that the inductor current dropped below the zero crossing threshold.

As the output current datashret from heavy-load condition, the inductor current is also reduced, and eventually comes to the point that its current valley touches zero, vatasheet is the boundary between continuous conduction and discontinuous conduction modes. For loads that cannot tolerate a negative voltage, place a power Schottky diode across the output to act as a reverse polarity clamp. Information furnished by Richtek is believed to be accurate and reliable. This is normal and results in high efficiency.


The UVP is ignored for at least 5ms typ. The actual peak current is greater than the current limit threshold by an amount equal to the inductor ripple current.

RTBZQW Datasheet (PDF Download) 3/24 Page – Richtek

The capacitor value and ESR determine the amount of output voltage ripple and load transient response. This reduction of frequency is achieved smoothly. LGATEx is forced high. When shutdown mode is activated, the reference turns off. When VOUT1 rises above 4.

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A 5V bias voltage is delivered from the LDO5 supply. When the LDO5 voltage is lower than 4. Change Pump Feedback Pin. Routing of the network should avoid coupling to high-voltage switching node. PGOOD is actively held low in soft-start, dataaheet, and shutdown. Bypass LDOx with a minimum 4.

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Quantity Minimum Package 1. Could be programmed as the input during the read operationlow impedance latched output after the write operstionor the tri-state after the read operation. During a low-to-high transition, the port contains data for a selected output port during the write operation, or the data from a selected port before the low-to-high transition during the read operation. This activates the low side MOSFET datashest, which rapidly discharges the output capacitor and pulls the input voltage downward.

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