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參數(shù)資料
| 型號(hào)： | LNK574DG |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類(lèi)： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012, SOP-8 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 1515K |
| 代理商： | LNK574DG |
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www.powerint.com
December 2010
LNK574
LinkZero-LP
Zero No-Load Consumption Integrated Off-Line Switcher
Output Power Table
Product4
230 VAC ±15%
85-265 VAC
Adapter2
Open
Frame3
Adapter2
Open
Frame3
LNK574DG
3 W
Table 1. Output Power Table.
Notes:
1. IEC 62301 Clause 4.5 rounds standby power use below 5 mW to zero.
2. Typical continuous power in a non-ventilated enclosed adapter measured at
+50 °C ambient.
3. Maximum practical continuous power in an open frame design with adequate
heatsinking, measured at 50 °C ambient.
4. Packages: D: SO-8C.
Product Highlights
Lowest System Cost with Zero No-Load
Automatically enters zero input power mode when load is
disconnected
Detects load reconnection and automatically restarts regulation
Simple upgrade to existing LinkSwitch-LP designs
Very tight IC parameter tolerances improve system manufactur-
ing yield
Suitable for low-cost clampless designs
Frequency jittering greatly reduces EMI filter cost
Extended package creepage improves system field reliability
Advanced Protection/Safety Features
Accurate hysteretic thermal shutdown protection – automatic
recovery reduces field returns
Universal input range allows worldwide operation
Auto-restart reduces delivered power by >85% during short-
circuit and open loop fault conditions
Simple ON/OFF control, no loop compensation needed
High bandwidth provides excellent transient load response with
no overshoot
EcoSmart – Energy Efficient
No-load consumption as low as 4 mW at 230 VAC input
(Note 1)
Easily meets all global energy efficiency regulations with no
added components
ON/OFF control provides constant efficiency to very light loads
Applications
Chargers for cell/cordless phones, PDAs, power tools, MP3/
portable audio devices, shavers, etc.
Description
LinkZero-LP is an upgrade to the popular LinkSwitch-LP, the
industry’s lowest component count charger/adapter and standby
power switcher IC. The LinkZero-LP controller incorporates new
technology which enables the device to automatically enter into
and wake up from no-load mode while taking less than 5 mW from
the AC power. IEC 62301 specifies measurements of standby
power to a minimum accuracy of 10 mW, and so LinkZero-LP’s
consumption of substantially less than 5 mW at 230 VAC rounds to
zero based on the IEC definition. This low power level is also
immeasurable on most power meters. The tightly specified
FEEDBACK (FB) pin voltage reference enables universal input
primary side regulated power supplies with accurate constant
voltage from 5% to full load. The start-up and operating power are
derived directly from the DRAIN pin which eliminates start-up
circuitry. The internal oscillator frequency is jittered to significantly
reduce both quasi-peak and average EMI, minimizing filter cost.
Figure 1.
Typical Application – Not a Simplified Circuit (a) and Output
Characteristic Envelope (b).
(a) Typical Application Schematic
(b) Output Characteristic
+
D
S
FB
BP/M
DC
Output
AC
IN
LinkZero-LP
PI-5508-072610
IO
IR
VR
VO
Rated Output Power = VR × IR
PI-5510-082310
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LNK574DG-TL | 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 NL, Int OL Switcher 3W 85-265\230 VAC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開(kāi)關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
| LNK576DG | 功能描述:Converter Offline Flyback Topology 100kHz 8-SO 制造商:power integrations 系列:LinkZero??-LP 包裝:管件 零件狀態(tài):有效 輸出隔離:隔離 內(nèi)部開(kāi)關(guān):是 電壓 - 擊穿:700V 拓?fù)?回掃 電壓 - 啟動(dòng):- 電壓 - 電源（Vcc/Vdd）:- 占空比:63% 頻率 - 開(kāi)關(guān):100kHz 功率（W）:9W 故障保護(hù):限流，開(kāi)環(huán)，超溫，過(guò)壓，短路 控制特性:- 工作溫度:-40°C ~ 150°C（TJ） 封裝/外殼:8-SOIC（0.154"，3.90mm 寬）7 引線 供應(yīng)商器件封裝:8-SO 安裝類(lèi)型:表面貼裝 標(biāo)準(zhǔn)包裝:100 |
| LNK584 | 制造商:POWERINT 制造商全稱(chēng):Power Integrations, Inc. 功能描述:Zero Standby Consumption Integrated Off-Line Switcher |
| LNK584DG | 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 Zero Stdby OL-Swtchr 3W/85-265V 3W/230V RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開(kāi)關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
| LNK584DG-TL | 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 Zero Stdby OL-Swtchr 3W/85-265V 3W/230V RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開(kāi)關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
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