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参数资料
| 型号： | LT1580IT7-2.5#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC LDO REGULATOR 7A 2.5V TO220-7 |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 50 |
| 应用： | 转换器，Intel Pentium? |
| 输入电压： | 1.79 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 2.5V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-7 成形引线 |
| 供应商设备封装： | TO-220-7 |
| 包装： | 管件 |
LT1580/LT1580-2.5
TYPICAL APPLICATIO N
Dual Regulators Power Pentium Processor or Upgrade CPU
R12
0.0075 ? *
I/O
5V
R1
10k
+
12V
C8
0.1 μ F
+
D1
1N4148
C1
220 μ F
10V
R2
470 ?
V IN V OUT
LT1587
ADJ
R3
110 ?
1%
+
C3
220 μ F
10V
SUPPLY
3.5V/3.3V
R10
10k
LT1006
–
C6
0.01 μ F
D2
1N4148
R4
178 ?
1%
C4
0.33 μ F
5V
R11
10k
+
R13
0.005 ? *
C9 +
220 μ F
10V
12V
C11
22 μ F
35V
C2
220 μ F
10V
+
C5
0.33 μ F
4
5
V CONTROL SENSE
LT1580
V POWER V OUT
ADJ
2
R7
107 ?
0.25%
1
3
R14, 2 ?
C10
1 μ F
R8 5V
107 ?
0.35%
R5
+
C7
330 μ F
6.3V
Q3
2N7002
R9
CORE
SUPPLY
3.5V/2.5V
Q3
2N7002
R6
89.8 ?
0.5%
Q1
ZVN4206
10k
10k
E3
Q2
2N3904
TO CPU
VOLTAGE
SELECT PIN
*RESISTORS ARE IMPLEMENTED AS COPPER TRACES ON PCB
IF 1 OZ COPPER, TRACE WIDTHS ARE 0.05 INCH
IF 2 OZ COPPER, TRACE WIDTHS ARE 0.025 INCH
E3 CPU TYPE
0 P55C
R13 IS 0.83 INCHES LONG, R12 IS 1.24 INCHES LONG
1
P54C
1580 TA04
RELATED PARTS
LTC 1266
PART NUMBER
?
LTC1267
LTC1430
LT1584
LT1585
LT1587
DESCRIPTION
Synchronous Switching Controller
Dual High Efficiency Synchronous Switching Regulator
High Power Synchronous Step-Down Switching Regulator
7A Low Dropout Fast Transient Response Regulator
4.6A Low Dropout Fast Transient Response Regulator
3A Low Dropout Fast Transient Response Regulator
COMMENTS
>90% Efficient High Current Microprocessor Supply
>90% Efficiency with Fixed 5V, 3.3V or Adjustable Outputs
>90% Efficient High Current Microprocessor Supply
For High Performance Microprocessors
For High Performance Microprocessors
For High Performance Microprocessors
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com
158025fas, sn158025 LT/GP 0598 2K REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1995
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