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参数资料
| 型号： | RT8011APQW |
| 厂商： | Richtek Technology Corporation |
| 英文描述： | 2A, 4MHz, Synchronous Step-Down Regulator |
| 中文描述： | 第2A，4MHz，同步降压型稳压器 |
| 文件页数： | 14/17页 |
| 文件大小： | 424K |
| 代理商： | RT8011APQW |
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.
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相关代理商/技术参数 |
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| RT8011GF | 功能描述:IC REG BUCK SYNC ADJ 2A 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:50 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:5 V ~ 25 V 输入电压:2.3 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:600kHz，1.2MHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 包装:管件 供应商设备封装:8-MSOP |
| RT8011GQW | 功能描述:IC REG BUCK SYNC ADJ 2A 10WDFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:50 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:5 V ~ 25 V 输入电压:2.3 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:600kHz，1.2MHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 包装:管件 供应商设备封装:8-MSOP |
| RT8011PF | 制造商:RICHTEK 制造商全称:Richtek Technology Corporation 功能描述:2A, 4MHz, Synchronous Step-Down Regulator |
| RT8011PQW | 制造商:RICHTEK 制造商全称:Richtek Technology Corporation 功能描述:2A, 4MHz, Synchronous Step-Down Regulator |
| RT8012A | 制造商:RICHTEK 制造商全称:Richtek Technology Corporation 功能描述:Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters |
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