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参数资料
| 型号： | AP1117K25L-U |
| 厂商： | Diodes Inc |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V 1A TO-263 |
| 产品变化通告： | End Of Life 10/June/2010 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.5V |
| 输入电压： | 6.4 V ~ 18 V |
| 电压 - 压降（标准）： | 1.3V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A |
| 电流 - 限制（最小）： | 1.1A |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-3，D²Pak（2 引线+接片），TO-263AB |
| 供应商设备封装： | TO-263-3 |
| 包装： | 管件 |
AP1117/AP1117I
Typical Applications Circuit
?
?
( 5V/3.3V fixed output )
( 5V/2.5V ADJ output )
Pin Descriptions
V o ? V REF ? (1 ?
R 2
R 1
)
Pin Number
1
2
I/O
I
O
Pin Name
Adj (GND)
V OUT
Function
A resistor divider from this pin to the V OUT pin and ground sets the output voltage (Ground only for
Fixed-Mode).
The output of the regulator. A minimum of 4.7μF capacitor (0.15 ? ≤ ESR ≤ 0.5 ? ) must be connected
from this pin to ground to insure stability.
The input pin of regulator. Typically a large storage capacitor is connected from this pin to ground to
insure that the input voltage does not sag below the minimum dropout voltage during the load
3
I
V IN
transient response. This pin must always be 1.3V higher than V OUT in order for the device to regulate
properly. A minimum of 4.7μF capacitor (0.15 ? ≤ ESR ≤ 0.5 ? ) must be connected from this pin to
ground to insure stability.
Functional Block Diagram
V IN
3
2
V OUT
+
Thermal
+
CURRENT
LIMIT
+
1.25V
+
1
GND
(FIXED)
AP1117/AP1117I
Document number: DS31009 Rev. 23 - 2
Shutdown
2 of 13
1
Adj
June 2013
? Diodes Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AP1117K33 | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:1A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
| AP1117K-33 | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:1A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
| AP1117K33A | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:1A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
| AP1117K-33A | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:1A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
| AP1117K33G-13 | 功能描述:低压差稳压器 - LDO 3-TERM ADJ OR FIXED 1.4V LDO 3.3V LOGIC RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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