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參數(shù)資料
| 型號： | NCP5214A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 2−in−1 Notebook DDR Power Controller |
| 文件頁數(shù)： | 4/31頁 |
| 文件大?。?/td> | 376K |
| 代理商： | NCP5214A |
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NCP5214A
http://onsemi.com
4
PIN FUNCTION DESCRIPTION
Pin
Symbol
Description
1
VDDQEN
VDDQ regulator enable input. High to enable.
2
VTTEN
VTT regulator enable input. High to enable.
3
FPWM
Forced PWM enable input. Low to enable forced PWM mode and disable powersaving mode.
4
SS
VDDQ Softstart capacitor connection to ground.
5
VTTGND
Power ground for the VTT regulator.
6
VTT
VTT regulator output.
7
VTTI
Power input for VTT regulator which is normally connected to the VDDQ output of the buck regulator.
8
FBVTT
VTT regulator feedback pin for closed loop regulation.
9
AGND
Analog ground connection and remote ground sense.
10
DDQREF
External reference input which is used to regulate VTT and VTTREF to 1/2VDDQREF.
11
VCCA
5.0 V supply input for the IC’s control and logic section, which is monitored by undervoltage lock out
circuitry.
12
COMP
VDDQ error amplifier compensation node.
13
FBDDQ
VDDQ regulator feedback pin for closed loop regulation.
14
VTTREF
DDR reference voltage output.
15
PGOOD
Power good signal opendrain output.
16
OCDDQ
Overcurrent sense and program input for the highside 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 volt-
age feedforward functions.
17
BOOST
Positive supply input for highside gate driver of VDDQ regulator and boost capacitor connection.
18
TGDDQ
Gate driver output for VDDQ regulator highside NChannel power FET.
19
SWDDQ
VDDQ regulator inductor driven node, return for highside gate driver, and current limit sense input.
20
VCCP
Power supply for the VDDQ regulator lowside gate driver and also supply voltage for the bootstrap
capacitor of the VDDQ regulator highside gate driver supply.
21
BGDDQ
Gate driver output for VDDQ regulator lowside NChannel power FET.
22
PGND
Power ground for the VDDQ regulator.
23
THPAD
Copper pad on bottom of IC used for heatsinking. This pin should be connected to the ground plane un-
der the IC.
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| NCP5214AMNR2G | 功能描述:DC/DC 開關(guān)控制器 OSPI 2 IN 1 NTEBOOK RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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| NCP5214MNR2 | 功能描述:DC/DC 開關(guān)控制器 2-IN-1 NOTBOOK DDR CNTLR RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| NCP5214MNR2G | 功能描述:DC/DC 開關(guān)控制器 2-IN-1 NOTBOOK DDR CNTLR RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| NCP5215 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Dual Synchronous Buck Controller for Notebook Power System |
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