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參數(shù)資料
| 型號(hào)： | RV5VH3XX |
| 英文描述： | Power Management ICs |
| 中文描述： | 電源管理IC |
| 文件頁數(shù)： | 2/47頁 |
| 文件大?。?/td> | 384K |
| 代理商： | RV5VH3XX |
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1
DC/DC CONVERTER CONTROLLER
RV5VH SERIES
OUTLINE
Each of the RV5VH series is dual output CMOS DC/DC converter ICs integrating Step-up and inverting DC/DC convert-
ers.
The RV5VH3
××
series ICs consists of an oscillator, two VFM control circuits, control transistors(EXT switches), a phase
shift circuit, a voltage reference unit, an error amplifier, and voltage sensing resistors. The package for the RV5VH series
is 8pin SSOP(0.65mm pitch), and it is suitable for power supply systems with positive and negative output, such as pager,
PDA, which need power supplies for LCD.
RV5VH1
××
and RV5VH2
××
series are able to provide two DC/DC converters, one is a step-up DC/DC converter with
internally fixed output and the other is an inverting DC/DC converter with adjustable output by external resistors. A volt-
age detector with sensing pin is also included. RV5VH3
××
series are able to provide two DC/DC converters, both of them
require external drivers, DC/DC1, and inverting one, DC/DC2, can be adjustable by resistors.
FEATURES
Dual DC/DC converter system.................................DC/DC1 : step-up
DC/DC2 : inverting(negative voltage)
Voltage Detector..........................................................Nch. Open Drain Output
Low voltage operation available
RV5VH1
××
,RV5VH2
××
..........................................oscillator start-up from 0.8V
RV5VH3
××
.................................................................oscillator start-up from 1.8V
High Efficiency.............................................................TYP. 80%
Low Supply Current
High accuracy feedback sensing...............................TYP. ±2.5%
Sleep Mode
RV5VH1
××
, RV5VH2
××
..........................................DC/DC 2
RV5VH3
××
.................................................................DC/DC1, 2
Available to adjust temperature drift.........................DC/DC2 : with external resistor (RV5VH2
××
, RV5VH3
××
)
coefficient of output voltage
Small Package..............................................................8pin SSOP(0.65mm pitch)
APPLICATIONS
Power source for telecommunication systems
Power source for portable data processing systems, e.g. PDA, Electronic Data Banks
Power source for Audio-Visual systems, e.g. CD players, Video cameras
Power source for Notebook PCs, Word processing systems
Gadgets which need two power supplies, e.g. CPU and LCD
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RV5VH301 | DC/DC CONVERTER CONTROLLER |
| RV5VH301-E1 | DC/DC CONVERTER CONTROLLER |
| RV5VH301-E2 | DC/DC CONVERTER CONTROLLER |
| RV5VH302 | DC/DC CONVERTER CONTROLLER |
| RV5VH302-E1 | DC/DC CONVERTER CONTROLLER |
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