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參數(shù)資料
| 型號(hào)： | NCP1562B |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | High Performance Active Active Clamp/Reset PWM Controller Controller(高性能有效Active Clamp/Reset PWM控制器) |
| 中文描述： | 高性能主動(dòng)有源鉗位/復(fù)位PWM控制器控制器（高性能有效有源鉗位/復(fù)位的PWM控制器） |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 277K |
| 代理商： | NCP1562B |
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Semiconductor Components Industries, LLC, 2007
August, 2007 - Rev. 4
1
Publication Order Number:
NCP1562A/D
NCP1562A, NCP1562B
High Performance Active
Clamp/Reset PWM Controller
The NCP1562x is a family of voltage mode controllers designed
for dc-dc converters requiring high-efficiency and low parts count.
These controllers incorporate two in phase outputs with an overlap
delay to prevent simultaneous conduction and facilitates soft
switching. The main output is designed for driving a forward
converter primary MOSFET. The secondary output is designed for
driving an active clamp circuit MOSFET, a synchronous rectifier on
the secondary side, or an asymmetric half bridge circuit.
The NCP1562 family reduces component count and system size by
incorporating high accuracy on critical specifications such as
maximum duty cycle limit, undervoltage detector and overcurrent
threshold. Two distinctive features of the NCP1562 are soft-stop and
a cycle skip current limit with a time threshold. Soft-stop circuitry
powers down the converter in a controlled manner if a severe fault is
detected. The cycle skip detector enables a soft-stop sequence if a
continuous overcurrent condition is present.
Additional features found in the NCP1562 include line feed-
forward, frequency synchronization up to 1.0 MHz, cycle-by-cycle
current limit with leading edge blanking (LEB), independent under
and overvoltage detectors, adjustable output overlap delay,
programmable maximum duty cycle, internal startup circuit and
soft-start.
Features
Dual Control Outputs with Adjustable Overlap Delay
>2.0 A Output Drive Capability
Soft-Stop Powers Down Converter in a Controlled Manner
Cycle-by-Cycle Current Limit
Cycle Skip Initiated if Continuous Current Limit Condition Exists
Voltage Mode Operation with Input Voltage Feedforward
Fixed Frequency Operation up to 1.0 MHz
Bidirectional Frequency Synchronization
Independent Line Undervoltage and Overvoltage Detectors
Accurate Programmable Maximum Duty Cycle Limit
Programmable Maximum Volt-Second Product
Programmable Soft-Start
Internal 100 V Startup Circuit
Precision 5.0 V Reference
These are Pb-Free Devices*
*For additional information on our Pb-Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques Reference
Manual, SOLDERRM/D.
TSSOP-16
DT SUFFIX
CASE 948F
x
A
WL, L
Y
WW, W = Work Week
= Current Limit (A, B)
= Assembly Location
= Wafer Lot
= Year
MARKING
DIAGRAMS
NCP
562x
ALYW
Typical Applications
Telecommunications Power Converters
Low Output Voltage Converters using
Control Driven Synchronous Rectifier
Industrial Power Converters
42 V Automotive System
ATX Power Supplies
http://onsemi.com
1
16
SO-16
D SUFFIX
CASE 751B
See detailed ordering and shipping information in the package
dimensions section on page 24 of this data sheet.
ORDERING INFORMATION
NCP1562xG
AWLYWW
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP1562BDBR2G | 功能描述:電壓模式 PWM 控制器 HI PERF RESET PWM CONTLR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1562BDR2G | 功能描述:電壓模式 PWM 控制器 HI PERF RESET PWM CONTLR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1571D | 功能描述:DC/DC 開關(guān)控制器 Low Voltage 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 |
| NCP1571DG | 功能描述:DC/DC 開關(guān)控制器 Low Voltage Synchronous Buck 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 |
| NCP1571DR2 | 功能描述:DC/DC 開關(guān)控制器 Low Voltage 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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