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參數(shù)資料
| 型號： | NCP1200P60 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies |
| 中文描述： | 0.25 A SWITCHING CONTROLLER, 70 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 151K |
| 代理商： | NCP1200P60 |
Semiconductor Components Industries, LLC, 2004
December, 2004 Rev. 13
1
Publication Order Number:
NCP1200/D
NCP1200
PWM CurrentMode
Controller for LowPower
Universal OffLine Supplies
Housed in SOIC8 or PDIP8 package, the NCP1200 represents a
major leap toward ultracompact Switchmode Power Supplies. Due to
a novel concept, the circuit allows the implementation of a complete
offline battery charger or a standby SMPS with few external
components. Furthermore, an integrated output shortcircuit
protection lets the designer build an extremely lowcost ACDC wall
adapter associated with a simplified feedback scheme.
With an internal structure operating at a fixed 40 kHz, 60 kHz or
100 kHz, the controller drives low gatecharge switching devices like
an IGBT or a MOSFET thus requiring a very small operating power.
Due to currentmode control, the NCP1200 drastically simplifies the
design of reliable and cheap offline converters with extremely low
acoustic generation and inherent pulsebypulse control.
When the current setpoint falls below a given value, e.g. the output
power demand diminishes, the IC automatically enters the skip cycle
mode and provides excellent efficiency at light loads. Because this
occurs at low peak current, no acoustic noise takes place.
Finally, the IC is selfsupplied from the DC rail, eliminating the
need of an auxiliary winding. This feature ensures operation in
presence of low output voltage or shorts.
Features
No Auxiliary Winding Operation
Internal Output ShortCircuit Protection
Extremely Low NoLoad Standby Power
CurrentMode with SkipCycle Capability
Internal Leading Edge Blanking
250 mA Peak Current Source/Sink Capability
Internally Fixed Frequency at 40 kHz, 60 kHz and 100 kHz
Direct Optocoupler Connection
Builtin Frequency Jittering for Lower EMI
SPICE Models Available for TRANsient and AC Analysis
Internal Temperature Shutdown
PbFree Packages are Available
Typical Applications
ACDC Adapters
Offline Battery Chargers
Auxiliary/Ancillary Power Supplies (USB, Appliances, TVs, etc.)
PDIP8
P SUFFIX
CASE 626
1
8
1
8
SOIC8
D SUFFIX
CASE 751
1
8
5
3
4
(Top View)
Adj
CS
HV
PIN CONNECTIONS
7
6
2
NC
FB
GND
Drv
V
CC
MARKING
DIAGRAMS
8
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
ORDERING INFORMATION
xxx
y
= Device Code: 40, 60 or 100
= Device Code:
4 for 40
6 for 60
1 for 100
= Assembly Location
= Wafer Lot
= Year
W, WW = Work Week
A
L
Y, YY
200Dy
ALYW
1200Pxxx
AWL
YYWW
1
8
http://onsemi.com
1
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| NCP1200P100G | PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies |
| NCP1200D60R2 | PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NCP1200P60G | 功能描述:電流型 PWM 控制器 60KHz Current Mode SMPS PWM RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1200P60G | 制造商:ON Semiconductor 功能描述:Pulse Width Modulation (PWM) Controller |
| NCP1201 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Power Factor Controllers |
| NCP1201/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Low Standby Power with Fault Protection Modes |
| NCP1201_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:PWM Current−Mode Controller for Universal Off−Line Supplies Featuring Low Standby Power with Fault Protection Modes |
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