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參數資料
| 型號： | RT8005 |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | 1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter |
| 中文描述： | 第1A，2MHz的，高效率同步降壓PWM變換器 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 201K |
| 代理商： | RT8005 |
RT8005
1
DS8005-08 August 2007
www.richtek.com
1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter
General Description
The RT8005 is a high-efficiency synchronous buck PWM
converter with integrated P-Channel and N-Channel power
MOSFET switches. Capable of delivering 1A output current
over a wide input voltage range of 2.4V to 5.5V, the RT8005
is ideally suited for portable applications powered by a
single Li-Ion battery or by 3-cell NiMH/NiCd batteries. The
device operates at 2MHz PWM switching fixed frequency,
can use smaller C
IN
, C
OUT
capacitor and inductor.
The RT8005 integrates two low R
DS(ON)
230m
and 180m
of high- and low-side switching MOSFETs to reduce board
space, as only resistors and capacitors along with one
inductor are required externally for operation. The RT8005
has adjustable output range down to 0.5V. The other
features include internal soft-start, chip enable, over-
temperature and over-current protections. It is available in
a space-saving VDFN-10L 3x3 package.
Ordering Information
Applications
l
Battery-Powered Equipments
l
Low Power CPU and DSP Supplies
l
Digital Cameras and Hard Disks
l
Protable Instruments and Notebook Computers
l
Celluar Phones, PDAs, and Handheld PCs
l
USB-Based DSL Modems and Other Network Interface
Cards
Features
l
2.4V to 5.5V Input Voltage Range
l
Adjustable Output from 0.5V to V
IN
l
Guaranteed 1A Output Current
l
Accurate Reference : 0.5V (
±
1.5%)
l
Up to 90% Conversion Efficiency
l
Typical Quiescent Current : 200
m
A
l
Integrated Low R
DS(ON)
High- and Low-Side Power
MOSFET Switches : 230m
W
and 180m
W
l
Current Mode PWM Operation
l
Fixed Frequency : 2MHz
l
100% Maximum Duty Cycle for Lowest Dropout
l
Internal Soft-Start
l
No Schottky Diode Required
l
Over-Temperature and Over-Current Protection
l
Small 10-Lead VDFN 3x3 Package
l
RoHS Compliant and 100% Lead (Pb)-Free
Pin Configurations
(TOP VIEW)
VDFN-10L 3x3
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.
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.
RT8005
Package Type
QV : VDFN-10L 3x3 (V-Type)
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
LX
PVDD
PVDD
EN
VDD
PGND
PGND
GND
COMP
FB
9
8
7
1
2
3
4
5
10
GND
11
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| RT8005GQV | 1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter |
| RT8005PQV | 1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| RT8005GQV | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter |
| RT8005PQV | 制造商:RICHTEK 功能描述:DC/DC (IC) |
| RT8008 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1.5MHz,600mA,High Efficiency PWM Step-Down DC/DC Converter |
| RT8008-10PB | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter |
| RT8008-10PJ5 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter |
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