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参数资料
| 型号： | LT1581CT7-2.5 |
| 厂商： | Linear Technology |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC LDO REGULATOR 10A 2.5V TO2207 |
| 标准包装： | 50 |
| 应用： | 转换器，Intel Pentium? |
| 输入电压： | 1.68 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 2.5V |
| 工作温度： | 0°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 |
LT1581/LT1581-2.5
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
C5
1 μ F
Q1
89.8 ?
2N7002
+
R13
0.005 ? *
C9 +
220 μ F
10V
12V
C11 +
22 μ F
35V
C2
220 μ F
10V
0.33 μ F
6
5
3 R14, 2 ?
V CONT SENSE
C10
LT1581
4
V POWER V OUT
ADJ
1
R7 R8 5V
107 ? 107 ?
0.25% 0.35%
R6
ZVN4206
0.5%
R5
10k
+
C7
330 μ F
6.3V
R9
10k
Q3
CORE
SUPPLY
3.5V/2.5V
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
1581 TA04
RELATED PARTS
LTC 1430
PART NUMBER
?
LTC1435
LT1575/LT1577
LT1580
LT1584
LT1585
DESCRIPTION
High Power Synchronous Step-Down Switching Regulator
High Current Synchronous Step-Down Controller
Single and Dual Low Dropout Regulator Controllers
7A Fast Transient Response Regulator with 0.7V Dropout
7A Low Dropout Fast Transient Response Regulator
4.6A Low Dropout Fast Transient Response Regulator
COMMENTS
> 90% Efficiency High Current Microprocessor Supply
> 90% Efficiency in 12V to 3.3V Applications
Fast Transient Response, No Bulk Capacitors Needed
For 3.3V to 2.XXV Applications
For High Performance Microprocessors
For High Performance Microprocessors
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com
158125fa LT/TP 0399 2K REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1996
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相关代理商/技术参数 |
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|---|---|
| LT1584 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7-3.3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7-3.45 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| LT1584/5/7-3.6 | 制造商:LINER 制造商全称:Linear Technology 功能描述:7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
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