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SG1825CLT

更新时间： 2024-12-01 21:18:35
品牌 Logo 应用领域
美高森美 - MICROSEMI /
页数 文件大小 规格书
7页 182K
描述
Analog Circuit

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中文翻译

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SG1825CLT 技术参数

生命周期：Active包装说明：,
Reach Compliance Code：compliant风险等级：5.6
Base Number Matches：1

SG1825CLT 数据手册

 浏览型号SG1825CLT的Datasheet PDF文件第2页浏览型号SG1825CLT的Datasheet PDF文件第3页浏览型号SG1825CLT的Datasheet PDF文件第4页浏览型号SG1825CLT的Datasheet PDF文件第5页浏览型号SG1825CLT的Datasheet PDF文件第6页浏览型号SG1825CLT的Datasheet PDF文件第7页 
LIN DOC #: 1825  
SG1825C/SG2825C/SG3825C  
H I G H - S P E E D C U R R E N T - M O D E P W M  
T H E I N F I N I T E P O W E R O F I N N O V A T I O N  
N O T R E C O M M E N D E D F O R N E W D E S I G N S  
DESCRIPTION  
KEY FEATURES  
■ IMPROVED REFERENCE INITIAL  
TOLERANCE (±1% max.)  
The SG1825C is a high-performance  
pulse width modulator optimized for  
high frequency current-mode power  
supplies. Included in the controller  
are a precision voltage reference,  
micropower start-up circuitry, soft-  
start, high-frequency oscillator,  
wideband error amplifier, fast current-  
limit comparator, full double-pulse  
suppression logic, and dual totem-  
pole output drivers. Innovative  
circuit design and an advanced linear  
Schottky process result in very short  
propagation delays through the  
current limit comparator, logic, and  
output drivers. This device can be  
used to implement either current-  
mode or voltage-mode switching  
power supplies. It also is useful as  
a series-resonant controller to  
frequencies beyond 1MHz. The  
SG1825C is specified for operation  
over the full military ambient tem-  
perature range of -55°C to 125°C.  
The SG2825C is characterized for the  
industrial range of -25°C to 85°C,  
and the SG3825C is selected for the  
commercial range of 0°C to 70°C.  
■ IMPROVED OSCILLATOR INITIAL  
ACCURACY (±3% typ.)  
■ IMPROVED STARTUP CURRENT  
(500µA typ.)  
■ PROP DELAY TO OUTPUTS (50ns typ.)  
p 10V TO 30V OPERATION  
p 5.1V REFERENCE TRIMMED TO ±1%  
p 2MHZ OSCILLATOR CAPABILITY  
p 1.5A PEAK TOTEM-POLE DRIVERS  
p U.V. LOCKOUT WITH HYSTERESIS  
p NO OUTPUT DRIVER "FLOAT"  
p PROGRAMMABLE SOFTSTART  
p DOUBLE-PULSE SUPPRESSION LOGIC  
PRODUCT HIGHLIGHT  
p WIDEBAND LOW-IMPEDANCE ERROR  
AMPLIFIER  
I N I T I A L O S C I L L A T O R A C C U R A C Y  
p CURRENT-MODE OR VOLTAGE-MODE  
CONTROL  
p WIDE CHOICE OF HIGH-FREQUENCY  
PACKAGES  
15  
Sample Size = 279  
Mean 401.661
Std. Dev. = 3.8
HIGH RELIABILITY FEATURES  
■ AVAILABLE TO MIL-STD-883B  
■ LINFINITY LEVEL "S" PROCESSING AVAIL.  
10  
5
0
390  
395  
400  
405  
410  
415  
Initial Oscillator Accuracy - KHz  
PACKAGE ORDER INFORMATION  
Plastic DIP  
16-pin  
Plastic Wide SOIC  
16-pin  
Plastic LCC  
20-pin  
Ceramic DIP  
16-pin  
Ceramic LCC  
20-pin  
TJ (°C)  
N
DW  
Q
J
L
0 to 70  
-25 to 85  
-55 to 125  
MIL-STD-883  
DESC  
SG3825CN  
SG2825CN  
SG3825CDW  
SG2825CDW  
SG3825CQ  
SG2825CQ  
SG3825CJ  
SG2825CJ  
SG1825CJ  
—
—
—
—
—
—
—
—
—
—
—
SG1825CL  
SG1825CJ/883B  
SG1825CJ/DESC  
SG1825CL/883B  
SG1825CL/DESC  
Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number. (i.e. SG3825CDWT)  
F O R F U R T H E R I N F O R M A T I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1  
Copyright © 1994  
Rev. 1.3 6/96  
1
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841  
1234567

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