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参数资料
| 型号： | NCP5214EVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/32页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP5214 |
| 产品变化通告： | Product Obsolescence 24/Jan/2011 |
| 设计资源： | NCP5214EVB BOM NCP5214EVB Gerber Files NCP5214EVB 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： | 1.8V |
| 电流 - 输出： | 10A |
| 输入电压： | 5V，4.5 ~ 24 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 100Hz ~ 75kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP5214 |
| 其它名称： | NCP5214EVBOS |
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NCP5214
PIN FUNCTION DESCRIPTION
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Symbol
VDDQEN
VTTEN
FPWM
SS
VTTGND
VTT
VTTI
FBVTT
AGND
DDQREF
VCCA
COMP
FBDDQ
VTTREF
PGOOD
OCDDQ
BOOST
TGDDQ
SWDDQ
VCCP
BGDDQ
PGND
THPAD
Description
VDDQ regulator enable input. High to enable.
VTT regulator enable input. High to enable.
Forced PWM enable input. Low to enable forced PWM mode and disable power?saving mode.
VDDQ Soft?start capacitor connection to ground.
Power ground for the VTT regulator.
VTT regulator output.
Power input for VTT regulator which is normally connected to the VDDQ output of the buck regulator.
VTT regulator feedback pin for closed loop regulation.
Analog ground connection and remote ground sense.
External reference input which is used to regulate VTT and VTTREF to 1/2VDDQREF.
5.0 V supply input for the IC’s control and logic section, which is monitored by undervoltage lock out
circuitry.
VDDQ error amplifier compensation node.
VDDQ regulator feedback pin for closed loop regulation.
DDR reference voltage output.
Power good signal open?drain output.
Overcurrent sense and program input for the high?side FET of VDDQ regulator. Also the battery
voltage input for the internal ramp generator to implement the voltage feedforward rejection to the input
voltage variation. This pin must be connected to the VIN through a resistor to perform the current limit
and voltage feedforward functions.
Positive supply input for high?side gate driver of VDDQ regulator and boost capacitor connection.
Gate driver output for VDDQ regulator high?side N?Channel power FET.
VDDQ regulator inductor driven node, return for high?side gate driver, and current limit sense input.
Power supply for the VDDQ regulator low?side gate driver and also supply voltage for the bootstrap
capacitor of the VDDQ regulator high?side gate driver supply.
Gate driver output for VDDQ regulator low?side N?Channel power FET.
Power ground for the VDDQ regulator.
Copper pad on bottom of IC used for heatsinking. This pin should be connected to the ground plane
under the IC.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP5214MNR2 | 功能描述:DC/DC 开关控制器 2-IN-1 NOTBOOK DDR CNTLR RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| NCP5214MNR2G | 功能描述:DC/DC 开关控制器 2-IN-1 NOTBOOK DDR CNTLR RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| NCP5215 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Dual Synchronous Buck Controller for Notebook Power System |
| NCP5215MNR2G | 功能描述:直流/直流开关转换器 BUCK CONTROLLER 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 |
| NCP5217A | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Single Synchronous Step-Down Controller |
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