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| 型号： | AP1509-SG-U |
| 厂商： | Diodes Inc |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2A 8SOIC |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.23 V ~ 18 V |
| 输入电压： | 4.5 V ~ 22 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 150kHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-SOP |
AP1509
150KHz, 2A PWM BUCK DC/DC CONVERTER
Description
The AP1509 series are monolithic IC designed for a step-
down DC/DC converter, and own the ability of driving a
2A load without additional transistor. It saves board space.
Pin Assignments
(Top View)
The external shutdown function can be controlled by logic
level and then come into standby mode. The internal
V IN
1
8
GND
compensation makes feedback control having good line and
load regulation without external design. Regarding protected
function, thermal shutdown is to prevent over temperature
operating from damage, and current limit is against over
current operating of the output switch. If current limit function
occurs and V FB is down below 0.5V, the switching frequency
Output
FB
SD
2
3
4
AP1509
7
6
5
GND
GND
GND
will be reduced. The AP1509 series operates at a switching
frequency
of
150KHz
thus
allow smaller
sized
filter
SOP-8L
components than what would be needed with lower frequency
switching regulators. Other features include a guaranteed
+4% tolerance on output voltage under specified input voltage
and output load conditions, and +15% on the oscillator
frequency. The output version included fixed 3.3V, 5V, 12V,
and an adjustable type. The chips are available in a standard
8-lead SOP-8 package.
Features
Applications
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Output Voltage: 3.3V, 5V, 12V and Adjustable Output
Version
Adjustable Version Output Voltage Range, 1.23V to
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Simple High-Efficiency Step-Down Regulator
On-Card Switching Regulators
Positive to Negative Converter
18V+4%
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150KHz +15% Fixed Switching Frequency
Voltage Mode Non-Synchronous PWM Control
Thermal-Shutdown and Current-Limit Protection
ON/OFF Shutdown Control Input
Operating Voltage can be up to 22V
Output Load Current: 2A
SOP-8L Packages
Low Power Standby Mode
Built-in Switching Transistor On Chip
SOP-8L: Available in “Green” Molding Compound
(No Br, Sb)
Lead Free Finish/ RoHS Compliant (Note 1)
Notes:
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
AP1509
Document number: DS31016 Rev. 4 - 2
1 of 13
June 2010
? Diodes Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AP1509-SL | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:150KHz, 2A PWM Buck DC/DC Converter |
| AP1509-SL-13 | 功能描述:直流/直流开关转换器 150KHZ 2.0A 1.4V 22V 1.23 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| AP1509SL-13 | 制造商:Diodes Incorporated 功能描述: |
| AP1509-SLA | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:150KHz, 2A PWM Buck DC/DC Converter |
| AP1509-SL-U | 功能描述:直流/直流开关转换器 150KHZ 2.0A 1.4V 22V 1.23 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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