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参数资料
| 型号： | NCP3125AGEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL NCP3125 4A SYNC REG |
| 设计资源： | NCP3125AGEVB Schematic |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 最低可调至 0.8V |
| 电流 - 输出： | 4A |
| 输入电压： | 4.5 ~ 13.2 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 350kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP3125A |
| 其它名称： | NCP3125AGEVB-ND NCP3125AGEVBOS |
NCP3125
4 A Synchronous PWM
Switching Converter
The NCP3125 is a flexible synchronous PWM Switching Buck
Regulator. The NCP3125 is capable of producing output voltages as
low as 0.8 V. The NCP3125 also incorporates voltage mode control.
To reduce the number of external components, a number of features
are internally set including switching frequency. The NCP3125 is
currently available in an SOIC ? 8 package.
http://onsemi.com
MARKING
Features
? 4.5 V to 13.2 V Operating Input Voltage Range
? 60 m W High ? Side, 36 m W Low ? Side Switches
? Output Voltage Adjustable to 0.8 V
? 4 A Continuous Output Current
? Fixed 350 kHz PWM Operation
? 1.0% Initial Output Accuracy
? 75% Max Duty Ratio
? Over ? Load Protection
? Programmable Current Limit
? This is a Pb ? Free Device
8
1
SOIC ? 8 NB
D SUFFIX
CASE 751
3125
A
L
Y
W
G
DIAGRAM
8
3125
ALYWX G
G
1
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year/
= Work Week
= Pb ? Free Package
Typical Application
? Set Top Boxes
? DVD Drives and HDD
? LCD Monitors and TVs
? Cable Modems
? Telecom / Networking / Datacom Equipment
100
PIN CONNECTIONS
PGND 1 VSW
FB ISET
COMP VIN
AGND BST
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 21 of this data sheet.
4.5 V ? 13.2 V
VIN
BST
VSW
3.3 V
95
5V
90
PGND
NCP3125
85
ISET
COMP
FB1
AGND
80
75
70
65
0
0.5
1
1.5 2 2.5 3
3.5
4
OUTPUT CURRENT (A)
Figure 1. Typical Application Circuit
Figure 2. Efficiency (V IN = 12 V) vs. Load Current
? Semiconductor Components Industries, LLC, 2011
April, 2011 ? Rev. 2
1
Publication Order Number:
NCP3125/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP3125CRAGEVB | 功能描述:电源管理IC开发工具 NCP3125 Ceramic Eval Board RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| NCP3126ADR2G | 功能描述:直流/直流开关转换器 3A PWM Switching Buck Regulator 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 |
| NCP3126AGEVB | 功能描述:电源管理IC开发工具 NCP3126 EVB RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| NCP3126CRAGEVB | 功能描述:电源管理IC开发工具 NCP3126 CERAMIC EVB RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| NCP3127ADR2G | 功能描述:直流/直流开关转换器 2A PWM Switching Buck Regulator 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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