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參數(shù)資料
| 型號(hào)： | RYC8630-2M |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | ROHS COMPLIANT, SOIC-8 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 315K |
| 代理商： | RYC8630-2M |
RYC8620/21/30
Protected Power Switch
Power Management ICs
Document: SCD 25389
Status: Released
Rev. E
Date: September 3, 2004
Oki Semiconductor
www.okisemi.com/us
1 of 9
GENERAL DESCRIPTION
FEATURES
RYC8620/21/630 is a series of dual channel
protected power switches designed for USB and
other 3.3V to 5V high-side power switched
applications. Each channel can be separately
enabled and has a deglitched fault flag to
minimize nuisance tripping when high inrush
current devices are plugged into the port. The
output MOSFET typically has a low on
resistance of 100m
. The RYC8620/21/30
series of power switches provides channel
independent
current
overtemperature protection. In an overcurrent
event the offending channel is turned off
allowing normal operation on the other channel.
The RYC8620/21/30 features undervoltage
lockout, soft start and reverse current blocking
when disabled.
limiting
and
RYC8620/21/30 devices are available with
multiple current limits. Custom current limit
levels may be available on request.
Designed for USB applications
Low Rds on, typical 100m
Fast overcurrent shut down minimizes peak inrush
current
Built-in flag deglitch to minimize nuisance tripping
Independent OC and OT protection
Soft start
Reverse current blocking when disabled.
Undervoltage lockout (UVLO)
8 pin SOIC package
UL Recognized
Typical Current Limit
o
RYC8620: 1.0A
o
RYC8621: 1.2A
o
RYC8630: 1.5A
APPLICATIONS
USB peripherals
Notebook PCs
PDAs
PC card hot swap
General purpose power switches
TYPICAL APPLICATION SCHEMATIC
RYC86xx
ENA
FLGA
FLGB
ENB
OUTA
GND
IN
OUTB
50k
Vcc
100
μ
F
100
μ
F
10
μ
F
50k
OUTPUTB
Vin
GND
Enable
OverCurrent
OverCurrent
Enable
LOGIC CONTROLLER
OUTPUTA
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