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参数资料
| 型号： | NCP5425DBG |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 20TSSOP |
| 标准包装： | 75 |
| PWM 型： | 电压模式 |
| 输出数： | 2 |
| 频率 - 最大： | 938kHz |
| 占空比： | 100% |
| 电源电压： | 4.75 V ~ 13.2 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | 0°C ~ 125°C |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 管件 |
NCP5425
Dual Synchronous
Buck Controller
The NCP5425 is a highly flexible dual buck controller with internal
gate drivers that can be used with two input power supplies and one or
two outputs in multiple configurations. The part contains all the
circuitry required for two independent synchronous dual NFET buck
regulators utilizing a feed forward voltage mode control method. The
NCP5425 can run from a single supply ranging from 4.6 to 12 V and
support a single two phase or dual single phase outputs. When used as
a dual output controller, the second output tracks voltage transients
from the first. Power blanking for low noise applications is supported
as well as independent cycle?by?cycle current limiting. The part is
available in a 20 pin TSSOP package allowing the designer to
minimize PCB area.
Features
? Operation Over 4.6 to 13.2 V
? Dual Synchronous Buck Design
? Configurable as a Single Two Phase Output or Two Single Phase
http://onsemi.com
20
1
TSSOP?20
DB SUFFIX
CASE 948E
PIN CONNECTIONS AND
MARKING DIAGRAM
Outputs
? Programmable Power Sharing and Budgeting from Two Independent
GATEH1
1
20
GATEH2
5425
ALYW G
G
?
?
?
?
?
?
?
?
?
?
?
?
?
?
Supplies
0.8 V " 1% Reference for Low Voltage Outputs
1.5 A Peak Power Drive
Switch Blanking for Noise Sensitive Applications through use of
R OSC Pin
Programmable Frequency, 150 kHz to 750 kHz Operation
Programmable Soft?Start
Cycle?by?Cycle Overcurrent Protection
Independent Programmable Current Limits
100% Duty Cycle for Fast Transient Response
Internal Slope Compensation
Out?of?Phase Synchronization between the Controllers
Input Undervoltage Lockout
On/Off Enable through use of the COMP Pins
Power Supply Sequencing
These are Pb?Free Devices
GATEL1 GATEL2
GND V CC
BST NCP R OSC
NC MODE
NC IS?2
IS+1 IS+2
IS?1 V REF2
V FB1 V FB2
COMP1 COMP2
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb?Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device Package Shipping ?
NCP5425DB TSSOP?20* 75 Units/Tube
Applications
? DDR Memory Power
? Graphics Cards
NCP5425DBG TSSOP?20*
NCP5425DBR2 TSSOP?20*
NCP5425DBR2G TSSOP?20*
75 Units/Tube
2500/Tape & Reel
2500/Tape & Reel
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
*This package is inherently Pb?Free.
? Semiconductor Components Industries, LLC, 2006
July, 2006 ? Rev. 9
1
Publication Order Number:
NCP5425/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP5425DBR2 | 功能描述:DC/DC 开关控制器 Dual Synchronous 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 |
| NCP5425DBR2G | 功能描述:DC/DC 开关控制器 Dual Synchronous Buck 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 |
| NCP5425DOEVB | 功能描述:电源管理IC开发工具 ANA SW REG EVAL BRD 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 |
| NCP5425S0EVB | 制造商:ON Semiconductor 功能描述: |
| NCP5425SOEVB | 功能描述:电源管理IC开发工具 ANA SW REG EVAL BRD 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 |
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