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參數資料
| 型號： | TEA1751T/N1,518 |
| 廠商： | NXP Semiconductors |
| 文件頁數： | 1/29頁 |
| 文件大小： | 253K |
| 描述： | IC CTRLR GREENCHIP SMPS 16-SOIC |
| 標準包裝： | 2,500 |
| 系列： | GreenChip™ III |
| 模式： | 連續導電（CCM） |
| 頻率 - 開關： | 125kHz |
| 電流 - 啟動： | 60µA |
| 電源電壓： | 0.65 V ~ 22 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-SO |
| 包裝： | 帶卷 (TR) |
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1. General description
The GreenChip III is the third generation of green Switched Mode Power Supply (SMPS)
controller ICs. The TEA1751(L)T (TEA1751T and TEA1751LT) combines a controller for
Power Factor Correction (PFC) and a flyback controller. Its high level of integration allows
the design of a cost-effective power supply with a very low number of external
components.
The special built-in green functions provide high efficiency at all power levels. This applies
to quasi-resonant operation at high power levels, quasi-resonant operation with valley
skipping, as well as to reduced frequency operation at lower power levels. At low power
levels, the PFC switches off to maintain high efficiency.
During low power conditions, the flyback controller switches to frequency reduction mode
and limits the peak current to 25 % of its maximum value. This will ensure high efficiency
at low power and good standby power performance while minimizing audible noise from
the transformer.
The TEA1751(L)T is a MultiChip Module, (MCM), containing two chips. The proprietary
high voltage BCD800 process which makes direct start-up possible from the rectified
universal mains voltage in an effective and green way. The second low voltage SIlicon On
Insulator (SIOI) is used for accurate, high speed protection functions and control.
The TEA1751(L)T enables highly efficient and reliable supplies with power requirements
up to 250 W, to be designed easily and with a minimum number of external components.
2. Features
2.1 Distinctive features
Integrated PFC and flyback controller.
Universal mains supply operation (70 V (AC) to 276 V (AC)).
Dual boost PFC with accurate maximum output voltage (NXP patented).
High level of integration, resulting in a very low external component count and a
cost-effective design.
2.2 Green features
On-chip start-up current source.
TEA1751T; TEA1751LT
GreenChip III SMPS control IC
Rev. 02 23 December 2009
Product data sheet
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TEA1752LT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip III SMPS control IC |
| TEA1752LT/N1,518 | 功能描述:DC/DC 開關控制器 IC CTLR SMPS SW MODE RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TEA1752LT/N1/S1518 | 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| TEA1752T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:The TEA1752T and TEA1752LT combine a controller for Power Factor Correction (PFC) and a flyback controller. |
| TEA1752T/1791/DB/90W,598 | 制造商:NXP Semiconductors 功能描述:- Boxed Product (Development Kits) 制造商:NXP Semiconductors 功能描述:90W notebook adapter Ref |
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