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參數(shù)資料
| 型號： | NCP1011ST65T3 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS |
| 中文描述： | 0.55 A SWITCHING REGULATOR, 71 kHz SWITCHING FREQ-MAX, PSSO4 |
| 封裝： | PLASTIC, SOT-223, 4 PIN |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 324K |
| 代理商： | NCP1011ST65T3 |
Semiconductor Components Industries, LLC, 2004
September, 2004 Rev. 10
1
Publication Order Number:
NCP1010/D
NCP1010, NCP1011,
NCP1012, NCP1013,
NCP1014
SelfSupplied Monolithic
Switcher for Low Standby
Power Offline SMPS
The NCP101X series integrates a fixedfrequency currentmode
controller and a 700 V MOSFET. Housed in a PDIP7,
PDIP7 Gull Wing, or SOT223 package, the NCP101X offers
everything needed to build a rugged and lowcost power supply,
including softstart, frequency jittering, shortcircuit protection,
skipcycle, a maximum peak current setpoint and a Dynamic
SelfSupply (no need for an auxiliary winding).
Unlike other monolithic solutions, the NCP101X is quiet by nature:
during nominal load operation, the part switches at one of the available
frequencies (65 100 130 kHz). When the current setpoint falls
below a given value, e.g. the output power demand diminishes, the IC
automatically enters the socalled skipcycle mode and provides
excellent efficiency at light loads. Because this occurs at typically 1/4
of the maximum peak value, no acoustic noise takes place. As a result,
standby power is reduced to the minimum without acoustic noise
generation.
Shortcircuit detection takes place when the feedback signal fades
away, e.g. in true shortcircuit conditions or in broken Optocoupler
cases. External disabling is easily done either simply by pulling the
feedback pin down or latching it to ground through an inexpensive
SCR for complete latchedoff. Finally softstart and frequency
jittering further ease the designer task to quickly develop lowcost and
robust offline power supplies.
For improved standby performance, the connection of an auxiliary
winding stops the DSS operation and helps to consume less than
100 mW at high line. In this mode, a builtin latched overvoltage
protection prevents from lethal voltage runaways in case the
Optocoupler would brake. These devices are available in economical
8pin dualinline and 4pin SOT223 packages.
Features
Builtin 700 V MOSFET with Typical R
DSon
of 11
and 22
Large Creepage Distance Between HighVoltage Pins
CurrentMode Fixed Frequency Operation:
65 kHz – 100 kHz 130 kHz
SkipCycle Operation at Low Peak Currents Only:
No Acoustic Noise!
Dynamic SelfSupply, No Need for an Auxiliary
Winding
Internal 1.0 ms SoftStart
Latched Overvoltage Protection with Auxiliary
Winding Operation
Frequency Jittering for Better EMI Signature
AutoRecovery Internal Output ShortCircuit
Protection
Below 100 mW Standby Power if Auxiliary Winding
is Used
Internal Temperature Shutdown
Direct Optocoupler Connection
SPICE Models Available for TRANsient Analysis
PbFree Packages are Available*
Typical Applications
Low Power AC/DC Adapters for Chargers
Auxiliary Power Supplies (USB, Appliances,
TVs, etc.)
*For additional information on our PbFree strategy and soldering details, please download the ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
PDIP7
CASE 626A
AP SUFFIX
1
8
MARKING DIAGRAMS
P101xAPyy
AWL
YYWW
1
See detailed ordering and shipping information in the package
dimensions section on page 22 of this data sheet.
ORDERING INFORMATION
SOT223
CASE 318E
ST SUFFIX
1
4
101xy
ALYW
1
4
x
yy
y
= Current Limit (0, 1, 2, 3, 4)
= 06 (65 kHz), 10 (100 kHz), 13 (130 kHz)
= Oscillator Frequency
A (65 kHz), B (100 kHz), C (130 kHz)
= Assembly Location
= Wafer Lot
= Year
WW, W = Work Week
A
WL, L
YY, Y
http://onsemi.com
1
PDIP7
(Gull Wing)
CASE 626AA
APL SUFFIX
1
101xAPLyy
AWL
YYWW
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NCP1011ST65T3G | 功能描述:電流型 PWM 控制器 Low Standby Power Monolithic Switcher 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 |
| NCP1012 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS |
| NCP1012/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Self-Supplied Monolithic Switcher for Low Standby-Power Offline SMPS |
| NCP1012AP065 | 功能描述:電流型 PWM 控制器 Low Standby Power 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 |
| NCP1012AP065G | 功能描述:電流型 PWM 控制器 Low Standby Power Monolithic Switcher 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 |
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