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參數資料
| 型號： | RT8011PF |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | 2A, 4MHz, Synchronous Step-Down Regulator |
| 中文描述： | 第2A，4MHz，同步降壓型穩壓器 |
| 文件頁數： | 1/17頁 |
| 文件大?。?/td> | 424K |
| 代理商： | RT8011PF |
RT8011/A
1
DS8011/A-00 August 2006
www.richtek.com
Features
z
High Efficiency : Up to 95%
z
Low R
DS(ON)
Internal Switches : 110m
Ω
z
Programmable Frequency : 300kHz to 4MHz
z
No Schottky Diode Required
z
0.8V Reference Allows Low Output Voltage
z
Forced Continuous Mode Operation
z
Low Dropout Operation : 100% Duty Cycle
z
Synchronizable Switching Frequency (For RT8011
Only)
z
Power Good Output Voltage Monitor (For RT8011
Only)
z
RoHS Compliant and 100% Lead (Pb)-Free
Applications
z
Portable Instruments
z
Battery-Powered Equipment
z
Notebook Computers
z
Distributed Power Systems
z
IP Phones
z
Digital Cameras
General Description
The RT8011/A is a high efficiency synchronous, step-down
DC/DC converter. Its input voltage range is from
2.6V to
5.5V and provides an adjustable regulated output voltage
from 0.8V to 5V while delivering up to 2A of output current.
The internal sy
nchronous low on-resistance power
switches increase efficiency and eliminate the need for
an external Schottky diode. Switching frequency is set
by an external resistor or can be synchronized to an
external clock. 100% duty cycle provides low dropout
operation extending battery life in portable systems.
Current mode operation with external compensation
allows the transient response to be optimized over a wide
range of loads and outpu
t capacitors.
RT8011/A operation in forced continuous PWM
Mode which
minimizes ripple voltage and reduces the noise and RF
interference.
100% duty cycle in Low Dropout Operation further
maximize battery life.
Note :
RichTek Pb-free and Green products are :
`
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
`
Suitable for use in SnPb or Pb-free soldering processes.
`
100% matte tin (Sn) plating.
Ordering Information
RT8011/A
Pin Configurations
(TOP VIEW)
MSOP-10
2A, 4MHz, Synchronous Step-Down Regulator
Marking Information
For marking information, contact our sales representative
directly or through a RichTek distributor located in your
area, otherwise visit our website for detail.
WDFN-10L 3x3
SHDN/RT
PGND
GND
LX
COMP
FB
VDD
PVDD
7
6
5
1
2
3
4
8
WDFN-8E 3x3
COMP
FB
PGOOD
VDD
PVDD
SHDN/RT
SYNC
LX
GND
PGND
5
6
7
8
4
3
2
10
9
SHDN/RT
SYNC
GND
PGND
LX
COMP
FB
PGOOD
VDD
PVDD
9
8
7
1
2
3
4
5
10
Package Type
F : MSOP-10 (RT8011)
QW : WDFN-10L 3x3 (RT8011)
QW : WDFN-8E 3x3 (RT8011A)
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
Without SYNC and PGOOD Function
With SYNC and PGOOD Function
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 - 穩壓器 - DC DC 開關穩壓器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:升壓（升壓） 輸出類型:兩者兼有 輸出數:1 輸出電壓:5V，2 V ~ 16.5 V 輸入電壓:2 V ~ 16.5 V PWM 型:- 頻率 - 開關:45kHz 電流 - 輸出:50mA 同步整流器:無 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 供應商設備封裝: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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