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參數(shù)資料
| 型號(hào)： | NCP1395 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Power Factor Controllers |
| 中文描述： | 功率因數(shù)控制器 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 679K |
| 代理商： | NCP1395 |
No
Yes
Do you
need low
Standby
power
Low End
High End
Please visit our website at www.onsemi.com for additional options.
What
features
do you
need
Key Features & Benefits
~
Dynamic Self Supply (DSS) capability
i
No auxiliary transformer winding
~
Current-mode control with adjustable skip-cycle and Soft-
Skipcapability
i
Provides excellent efficiency at light loads
i
No acoustic noise generation
~
Fixed frequencies up to 200 kHz
i
Offers suitable solution for all applications
~
High-voltage start-up-current source
i
Clean loss less start-up sequence
Page 5
ON Semiconductor
NCP1271
+
AC
Input
Output
Voltage
Latch
Input
EMI
Filter
skip/latch
FB
CS
Gnd
HV
V
CC
Drv
Decoupling
Capacitors
Adjust
Skip
Level
Latch Protection
Compensation
Ramp
HV Pin Handles Up to
500 V Directly
Primary Current Limitation
Current-Mode Operation
HV Pin
Protection
Fixed Frequency Controllers
Low Cost and Low Power Consumption. . .
Fixed frequency controllers from ON Semiconductor are the perfect solution for many applications. DVD
players, set-top boxes, notebook power adapters, printers, scanners, LCD monitors, and a wealth of other end
products use our controllers. Extremely low standby power helps you easily meet applicable regulations. The
Dynamic Self-Supply (DSS) feature of our devices saves cost by avoiding the use of an auxiliary transformer
winding, and current-mode topologies give tighter control of output voltage. Our fixed frequency controllers
can help you meet your toughest design challenges while still keeping cost to a minimum.
~
Frequency jittering
i
Reduces EMI signature
~
Go-to-standby for PFC front stage
i
Minimizes standby losses
~
Internal short–circuit protection independent of auxiliary voltage
i
Reliable short-circuit protection, immediately reducing the
output power
~
Under-voltage lockout at 7.6 V typical
i
Suitable for applications already using UC3843
NCP1271 Typical Schematic for Fixed Frequency Controller with Soft-Skip
FIXED
FREQUENCY
CONTROLLERS
Device
Max
Output
Power
(W)
150/40
1
150
150
150/100
1
150
150
150
150
400
Mode
Current
Current
Current
Current
Current
Current
Current
Current
Voltage
Standby
Power
Method
Adj Skip
Adj Skip
Adj Skip
Adj Skip
Adj Skip
Adj Skip
Adj Skip
Output
Gate Drive
(mA) @
V
CC
= 11V
250
250
250
500
500
500
500
500
200
Frequency
Options
(kHz)
40,60,100
60,100
40,60,100
65,100,133
65,100,133
Adj Up to 150
65,100,133
65,100
Adj Up to 1000
5
S
D
S
F
O
4
L
S
R
C
B
E
Package(s)
SO-8, PDIP-8
SO-8, PDIP-8
SO-8, PDIP-8
SO-8, PDIP-7
SO-7, PDIP-7
SO-8, PDIP-8
SO-8, PDIP-8
SO-7
SO-16
NCP1200
NCP1201
NCP1203
NCP1216/A
2
NCP1217/A
2
NCP1212
NCP1230
NCP1271
NCP1282/1562*
1. Maximum power output with DSS 2. “A” Versions Have a 50% Max Duty Cycle for Forward Topologies 3. Only Available on “A” Versions 4. Overvoltage Protection 5. Transient Load Detection * NCP1562 has 100 V startup FET
4
4
4
4
4
4
EXT
EXT
EXT
INT
INT
EXT
INT
INT
EXT
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
3
4
4
4
4
4
4
4
4
4
Adj Skip w/ TLD
5
Skip Cycle
4
4
4
4
*
4
4
NCP1271
Demo Board
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP1395A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controller |
| NCP1395ADR2G | 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER 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 |
| NCP1395APG | 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER 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 |
| NCP1395B | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controller |
| NCP1395BDR2G | 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER 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 |
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