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LT1587CT-3.3 参数 Datasheet PDF下载

LT1587CT-3.3图片预览
型号: LT1587CT-3.3
PDF下载: 下载PDF文件 查看货源
内容描述: 7A , 4.6A , 3A低压降快速响应正可调稳压器和固定 [7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed]
分类和应用: 线性稳压器IC调节器电源电路输出元件局域网
文件页数/大小: 12 页 / 278 K
品牌: Linear [ Linear ]
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LT1584/LT1585/LT1587  
U
TYPICAL APPLICATIONS N  
Guaranteed LT1584/LT1431 Circuit for the Intel 90MHz and 100MHz Pentium Processors  
(Meets Intel Specifications with Worst-Case Tolerances)  
THERMALLOY  
7021B-MT  
PLACE IN MICROPROCESSOR  
SOCKET CAVITY  
5V  
SEE NOTE 5  
C2 TO C4  
3
2
V
IN  
OUT  
LT1584  
OUT  
NOTES: UNLESS OTHERWISE SPECIFIED  
1. ALL RESISTOR VALUES ARE OHMS,  
1/8W, 5%  
2. ALL CAPACITORS ARE 50V, 20%  
3. ALL POLARIZED CAPACITORS ARE AVX  
TYPE TPS OR EQUIVALENT  
4. INPUT CAPACITANCE MAY BE REDUCED  
IF THE 5V SUPPLY IS WELL BYPASSED  
5. FOR 100MHz PENTIUM PROCESSOR,  
INPUT VOLTAGE MUST BE AT LEAST  
4.85V AT THE REGULATOR INPUT  
6. FOR PENTIUM VRE PROCESSOR,  
R4 NOT INSTALLED  
R4  
SEE NOTE 6  
C8 TO C13  
100µF  
C14 TO C23  
1µF  
+
+
+
R1  
1k  
220µF  
10V  
16V  
10V  
AVX TPS  
3 EACH  
ADJ  
1
AVX TPS  
4 EACH  
AVX Y5V 0805  
24 EACH  
C6  
0.01µF  
R2  
1k  
SENSE  
R3D  
83Ω  
R3E  
117Ω  
SEE NOTE 7  
5
6
C5  
33pF  
NPO  
4
2
1
R3C  
800Ω  
COMP COL  
+
+
C7  
3
4
8
7
100µF  
V
REF  
– FOR 3.3V OUTPUT, INSTALL 0JUMPER  
RESISTOR R4  
7. R3A TO R3E ARE B.I. TECHNOLOGY 627V100  
3
2
1
10V  
LT1431S  
R3B  
R
R
T
M
1.35k  
SGND FGND  
C1  
0.1µF  
5
6
R3A  
1.15k  
SGND  
PGND  
PGND  
LT1584 • TA06  
LT1584/LT1431 Transient Response  
for 3.8A Load Current Step*  
VOUT  
50mV/DIV  
*TRANSIENT RESPONSE  
MEASURED WITH AN INTEL  
POWER VALIDATOR.  
IOUT  
2A/DIV  
V
OUT IS MEASURED AT THE  
POWER VALIDATOR  
LT1584 • TA07  
100µs/DIV  
RELATED PARTS  
PART NUMBER  
LT1083/84/85  
LT1083/84/85  
LT1086  
DESCRIPTION  
COMMENTS  
Fixed Output at 3.3V, 3.6V, 5V and 12V, V to 25V  
7.5A, 5A, 3A Low Dropout Linear Regulators  
7.5A, 5A, 3A Low Dropout Linear Regulators  
1.5A Low Dropout Linear Regulator  
IN  
Adjustable Output with up to 30V (V – V ) Differential  
IN  
OUT  
Both Fixed and Adjustable Versions, (V – V ) to 30V  
IN  
OUT  
LT1521  
300mA Low Dropout Linear Regulator with 12µA Quiescent  
Current and Shutdown  
Both Fixed and Adjustable Versions, Surface Mount  
Package Available  
LT1529  
LT1580  
3A Low Dropout Linear Regulator with 50µA Quiescent  
Current and Shutdown  
Both Fixed and Adjustable Versions, Surface Mount  
Package Available  
7A Very Low Dropout Linear Regulator  
540mV Dropout at 7A, Remote Sensing  
LT/GP 0395 10K • PRINTED IN USA  
Linear Technology Corporation  
1630 McCarthy Blvd., Milpitas, CA 95035-7487  
12  
(408) 432-1900 FAX: (408) 434-0507 TELEX: 499-3977  
LINEAR TECHNOLOGY CORPORATION 1995