參數(shù)資料
型號(hào)： RT8011PF
廠商： Richtek Technology Corporation
英文描述： 2A, 4MHz, Synchronous Step-Down Regulator
中文描述： 第2A，4MHz，同步降壓型穩(wěn)壓器
文件頁(yè)數(shù)： 14/17頁(yè)
文件大?。?/td> 424K
代理商： RT8011PF
RT8011/A
14
DS8011/A-00 August 2006
www.richtek.com
Figure 7. RT8011 Demo Board
Figure 8. RT8011A Demo Boar
d (Only WDFN-8E 3x3)
resistance of C
OUT
.
Δ
I
LOAD
also begins to charge or
discharge C
OUT
generating a feedback error signal used
by the regulator to return V
OUT
to its steady-state value.
During this recovery time, V
OUT
can be monitored for
overshoot or ringing that would indicate a stability problem.
The COMP pin external components and output capacitor
shown in Typical Application Circuit will provide adequate
compensation for most applications.
Layout Considerations
Follow the PCB layout guidelines for optimal performance
of RT8011/A.
`
A ground plane is recommended. If a ground plane layer
is not used, the signal and power grounds should be
segregated with all small-signal components returning
to the GND pin at one point that is then connected to
the PGND pin close to the IC. The exposed pad should
be connected to GND.
`
Connect the terminal of the input capacitor(s), C
IN
, as
close as possible to the PVDD pin. This capacitor
provides the AC current into the internal power
MOSFETs.
`
LX node is with high frequency voltage swing and should
be kept small area. Keep all sensitive small-signal nodes
away from LX node to prevent stray capacitive noise
pick-up.
`
Flood all unused areas on all layers with copper.
Flooding with copper will reduce the temperature rise
of powercomponents.
You can connect the copper areas to any DC net (PVDD,
VDD, VOUT, PGND, GND, or any other DC rail in your
system).
`
Connect the FB pin directly to the feedback resistors.
The resistor divider must be connected between V
OUT
and GND.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RT8011PQW 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:2A, 4MHz, Synchronous Step-Down Regulator
RT8012A 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters
RT8012AGQW 功能描述:IC REG BUCK SYNC ADJ DL 16WQFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:升壓（升壓） 輸出類型:兩者兼有 輸出數(shù):1 輸出電壓:5V，2 V ~ 16.5 V 輸入電壓:2 V ~ 16.5 V PWM 型:- 頻率 - 開(kāi)關(guān):45kHz 電流 - 輸出:50mA 同步整流器:無(wú) 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 供應(yīng)商設(shè)備封裝:8-PDIP
RT8012APQW 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters
RT8015 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:2A, 2MHz, Synchronous Step-Down Regulator
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