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參數(shù)資料
| 型號： | SC1548CSK-X.XTR |
| 廠商： | Semtech Corporation |
| 英文描述： | Linear FET Controller |
| 中文描述： | 線性場效應(yīng)管控制器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 273K |
| 代理商： | SC1548CSK-X.XTR |
1
www.semtech.com
SC1548
Linear FET Controller
POWER MANAGEMENT
Description
Revision: November 10, 2004
Typical Application Circuit
The SC1548 is a power supply controller designed to
provide a simple single regulated power supply with over
current protection. It is part of Semtech’s SmartLDO
family of products. The SC1548 can provide a 1.818V
power supply for the I/O plane or 1.515V for GTL+ / AGP
from either 3.3V or 2.5V. An adjustable option allows
generation and control of any voltage from 1.263V up to
5V.
SC1548 features include tight output voltage regulation,
an enable control and over current protection. Over
current protection is provided by feedback to the sense
pin. If the output drops below 50% of the nominal
output voltage (typical) for greater than 4ms (typical), the
output will be shut down.
The SC1548 is available in a tiny 5-pin SOT-23 surface
mount package.
Motherboards
Graphics cards
Microcontrollers
Simple power supplies
± 2.5% output accuracy over line, load and
temperature
1.515V, 1.818V and adjustable output voltage
options available
Enable control
Over current protection
5-pin SOT-23 package
1.818V OUT
3.3V IN
12V IN
ENABLE
Q1
IRL530N
C4
0.1uF
+
C1
100uF
+
C2
100uF
+
C3
22uF
U1
SC1548CSK-1.8
1
2
3
4
5
SNS
GND
DRV
IN
EN
Adjustable Output Voltage Version
2.5V OUT
3.3V IN
12V IN
ENABLE
Q1
IRL530N
C4
0.1uF
+
C1
100uF
+
C2
100uF
+
C3
22uF
R1
97.6
R2
100
U1
SC1548CSK
1
2
3
4
5
ADJ
GND
DRV
IN
EN
Fixed Output Voltage Versions
Features
Applications
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC1548 | Linear Fet Controller |
| SC1548CSK-1.5TR | Linear Fet Controller |
| SC1548CSK-1.8TR | Linear Fet Controller |
| SC1563ISK-X.XTR | VERY LOW DROPOUT, LOW QUIESCENT 500mA REGULATOR |
| SC1563ISK-X.XTRT | VERY LOW DROPOUT, LOW QUIESCENT 500mA REGULATOR |
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參數(shù)描述 |
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