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參數資料
| 型號： | SC1563ISK-X.XTR |
| 廠商： | Semtech Corporation |
| 英文描述： | VERY LOW DROPOUT, LOW QUIESCENT 500mA REGULATOR |
| 中文描述： | 非常低壓差，低靜態500mA的穩壓器 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 197K |
| 代理商： | SC1563ISK-X.XTR |
POWER MANAGEMENT
Description
1
www.semtech.com
SC1563
Very Low Dropout, Low
Quiescent 500mA Regulator
Revision: January 11, 2006
The SC1563 is a high performance positive voltage
regulator designed for use in applications requiring very
low dropout voltage at up to 500mA. Since it has supe-
rior dropout characteristics compared to regular LDOs, it
can be used to supply 2.5V on motherboards or 2.8V on
peripheral cards from the 3.3V supply with no heatsink.
Additionally, the SC1563 has a shutdown pin to further
reduce power dissipation while shut down. The SC1563
provides excellent regulation over variations in line, load
and temperature.
A wide range of fixed output voltage options are avail-
able. In addition, the output voltage of every device can
be adjusted between 1.2V and 4.8V using external resis-
tors. The SC1563 comes in the space saving 5-pin SOT-
23 package.
350mV dropout @ 500mA
Designed to operate with ceramic capacitors
Adjustable output from 1.2V to 4.8V
Multiple output voltage options (all parts also
adjustable externally using resistors)
Over current and over temperature protection
2μA quiescent current in shutdown
No minimum load current requirement
Low reverse leakage (output to input)
Full industrial temperature range
5-pin SOT-23 surface mount package. Also avail-
able in Lead-free, fully WEEE and RoHS compliant
Personal Digital Assistants
Battery powered systems
Motherboards
Peripheral cards
PCMCIA cards
Internally Preset Output Voltage
Externally Set Output Voltage
U1
SC1563IS-X.X
1
2
3
4
5
SHDNGND ADJ
OUT
IN
C2
R2
C2
VIN
VO (X.XV)
VO
SHDN
C1
SHDN
R1
VIN
C1
U1
SC1563IS-X.X
1
2
3
4
5
SHDNGND
ADJ
OUT
IN
Volts
R2
R2)
(R1
1.200
V
OUT
+
=
Features
Applications
Typical Application Circuits
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