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參數(shù)資料
| 型號： | RT34063APS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | DC-to-DC Converter Control Circuits |
| 中文描述： | 型DC - DC轉換器控制電路 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 224K |
| 代理商： | RT34063APS |
RT34063A
1
DS34063A-13 March 2007
www.richtek.com
Features
z
Operation from 3.0V to 30V Input
z
Low Standby Current
z
Current Limiting
z
Internal Switch Current to 1.5A
z
Output Voltage Adjustable
z
Frequency Operation to 100kHz
z
Precision 2% Reference
z
RoHS Compliant and 100% Lead (Pb)-Free
Pin Configurations
Applications
z
Saver for Cellular Phones
z
DC-DC Converter Module
DC-to-DC Converter Control Circuits
Ordering Information
RT34063A
General Description
The RT34063A Series is a monolithic control circuit
containing the primary functions required for DC-to-DC
converters.
These devices consist of an internal temperature
compensated reference, comparator, controlled duty cycle
oscillator with an active current limit circuit, driver and
high current output switch.
This series was specially designed to be incorporated in
step-down and step-up and Voltage-inverting applications
with a minimum number of external components.
(TOP VIEW)
DIP-8 / SOP-8
SC
SE
TC
GND
COMP
VCC
IPK
DRIVER
2
3
4
5
6
7
8
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.
Functional Pin Description
Pin Name
Pin Function
SC
1.5A Switch Collector
SE
Darlington Switch Emitter
TC
Oscillator Timing Capacitor
GND
Power GND
COMP
Feedback Comparator Inverting Input
VCC
Power Supply Input
IPK
Highside Current Sense Input VCC-V
IPK
= 330mV
Driver Collector
DRIVER
Package Type
N : DIP-8
S : SOP-8
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
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