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參數資料
| 型號： | SC1548CSKTRT |
| 廠商： | Semtech Corporation |
| 英文描述： | Linear FET Controller |
| 中文描述： | 線性場效應管控制器 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 273K |
| 代理商： | SC1548CSKTRT |
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PDF資料 |
PDF描述 |
|---|---|
| SC1548CSK-X.XTR | Linear FET Controller |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SC1548CSK-X.XTR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Linear FET Controller |
| SC154R7KT | 功能描述:固定電感器 SC15-10-1021-10 4.7UH AMMO 500 RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| SC1554 | 功能描述:罩類、盒類及殼類產品 1554/1555 SCREW PACK RoHS:否 制造商:Bud Industries 產品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red |
| SC155A-.75L | 制造商:Panduit Corp 功能描述: |
| SC1563 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:VERY LOW DROPOUT, LOW QUIESCENT 500mA REGULATOR |
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