 |
Datenblatt-Suchmaschine für elektronische Bauteile |
|
|
Datenblatt-Suchmaschine für elektronische Bauteile |
|
RTQ2533W Datenblatt(PDF) 3 Page - Richtek Technology Corporation |
|
||||||||||||||||||||||||||||||
RTQ2533W Datenblatt(HTML) 3 Page - Richtek Technology Corporation |
|
|
3 / 19 page  RTQ2533W 3 DSQ2533W-00 April 2019 www.richtek.com © Copyright 2019 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Functional Block Diagram Operation The RTQ2533W operates with single supply input ranging from 1.1V to 6.5V and capable to deliver up to 3A current to the output. The device features high PSRR and low noise provides a clean supply to the application. A low-noise reference and error amplifier are included to reduce device noise. The NR/SS capacitor filters the noise from the reference and feed-forward capacitor filters the noise from the error amplifier. The high power-supply rejection ratio (PSRR) of the RTQ2533W minimizes the coupling of input supply noise to the output. Enable and Shutdown The RTQ2533W provides an EN pin, as an external chip enable control, to enable or disable the device. VEN below 0.5 V turns the regulator off and enters the shutdown mode, while VEN above 1.1V turns the regulator on. When the regulator is shutdown, the ground current is reduced to a maximum of 25 μA. The enable circuitry has hysteresis (typically 50mV) for use with relatively slowly ramping analog signals. If not used, connect EN to the largest capacitance on the input as close as possible to prevent voltage droops on the VIN line from triggering the enable circuit. VOUT Programming Pins The built-in matched feedback resistor network of the RTQ2533W can set the output voltage. The output voltage can be programmed from 0.8V to 3.95V in 50mV steps when tying these programming pins (Pins 5 to 11) to ground. Tying any of the VOUT programming pins to SNS can lower the value of the upper resistor divider. Hence the VOUT programming resolution is increased. Programmable Soft-Start The noise-reduction capacitor (CNR/SS) accomplishes the dual purpose of both noise-reduction and programming the soft-start ramp time during turn-on. When EN and UVLO exceed the respective threshold voltage, the RTQ2533W activates a quick-start circuit to charge the noise reduction capacitor (CNR/SS) and then the output voltage ramps up. GND FB VOUT Current Limit PGOOD + - 0.72V - Gate Driver NR/SS Enable Control Logic Thermal Protection UVLO UVLO Bandgap Reference EN Charge Pump VIN SNS 2R 1R 2R 4R 8R 16R 32R 1.6V 800mV 400mV 200mV 100mV 50mV Active Discharge INR/SS |
Ähnliche Teilenummer - RTQ2533W |
|
Ähnliche Beschreibung - RTQ2533W |
|
|
|
Link URL |
| Privatsphäre und Datenschutz |
| ALLDATASHEETDE.COM |
| War ALLDATASHEET hilfreich? [ DONATE ] |
Über Alldatasheet | Werbung | Kontakt | Privatsphäre und Datenschutz | Linktausch | Hersteller All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
German ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
