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| 型號： | SC1538CS18 |
| 廠商： | Semtech Corporation |
| 英文描述： | DUAL LINEAR CONTROLLER |
| 中文描述： | 雙線性控制器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 65K |
| 代理商： | SC1538CS18 |
1999 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
DUAL LINEAR CONTROLLER
SC1538
PRELIMINARY - October 5, 1999
1
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
DESCRIPTION
The SC1538 is a dual power supply controller designed
to simplify power management on motherboards. It is
part of Semtech’s Smart LDO family of products.
The SC1538CS15/18 can provide a 1.818V power sup-
ply for the I/O plane and a 1.515V power supply for the
GTL+ and AGP planes. The SC1538CS25/25 can pro-
vide two 2.525V supplies for clock and memory.
SC1538 features include Enable controls for each lin-
ear FET controller and over current protection. Over
current protection is provided by feedback to the sense
pins. If any output drops below 1V (typical) for greater
than 4ms (typical), that output will shut down.
The SC1538 is available in a SO-8 surface mount
package.
FEATURES
Supply for chipset I/O and memory termination
Dual 2.525V supplies for clock and memory
Individual Enable control of each supply
Over current protection
Dual power supplies
1.515V Supply for GTL+ and AGP planes/1.818V
APPLICATIONS
Motherboards
Simple dual power supplies
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Maximum
Units
Input Supply Voltage
VIN
-0.5 to +15
V
Input Pins
-0.5 to +7
V
Operating Temperature
Range
T
A
0 to +70
°C
Operating Junction
Temperature
T
J
0 to +125
°C
Storage Temperature
Range
T
STG
-65 to +150
°C
Lead Temperature
(Soldering) 10 Sec
T
LEAD
300
°C
Thermal Temperature
Junction to Ambient
θ
JA
130
°C/W
Thermal Impedance
Junction to Case
θ
JC
47
°C/W
ESD Rating
ESD
2
kV
ORDERING INFORMATION
Part Number
(1)
Output Voltages
Package
SC1538CS15/18
1.515V and 1.818V
SO-8
SC1538CS25/25
2.525V and 2.525V
SO-8
Note:
(1) Add suffix ‘TR’ for tape and reel packaging.
BLOCK DIAGRAM
PIN CONFIGURATION
(SO-8)
Top View
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC1538CS25 | DUAL LINEAR CONTROLLER |
| SC1540ACS-1.8 | 300mA AND 500mA LOW DROPOUT VOLTAGE REGULATORS WITH ENABLE |
| SC1540ACS-2.5 | 300mA AND 500mA LOW DROPOUT VOLTAGE REGULATORS WITH ENABLE |
| SC1540ACS-3.3 | 300mA AND 500mA LOW DROPOUT VOLTAGE REGULATORS WITH ENABLE |
| SC1540 | 300mA AND 500mA LOW DROPOUT VOLTAGE REGULATORS WITH ENABLE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC1538CS25 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:DUAL LINEAR CONTROLLER |
| SC15390KT | 功能描述:固定電感器 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 |
| SC-15-4 | 制造商:Altas 功能描述: |
| SC1540 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:300mA AND 500mA LOW DROPOUT VOLTAGE REGULATORS WITH ENABLE |
| SC1540A | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:300mA AND 500mA LOW DROPOUT VOLTAGE REGULATORS WITH ENABLE |
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