參數(shù)資料
型號(hào): TEA1750T/N1,518
廠商: NXP Semiconductors
文件頁(yè)數(shù): 29/29頁(yè)
文件大小: 163K
描述: IC PFC CONTROLLER DCM16SOIC
標(biāo)準(zhǔn)包裝: 2,500
系列: GreenChip™ III
模式: 間歇導(dǎo)電(DCM)
頻率 - 開(kāi)關(guān): 100kHz ~ 150kHz
電流 - 啟動(dòng): 60µA
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SO
包裝: 帶卷 (TR)
NXP Semiconductors
TEA1750
GreenChip III SMPS control IC
?NXP B.V.  2008.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 15 December 2008
Document identifier: TEA1750_2
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section Legal information.
16. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.1
Distinctive features . . . . . . . . . . . . . . . . . . . . . . 1
2.2
Green features . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.3
PFC green features . . . . . . . . . . . . . . . . . . . . . 1
2.4
Flyback green features . . . . . . . . . . . . . . . . . . . 2
2.5
Protection features . . . . . . . . . . . . . . . . . . . . . . 2
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Ordering information. . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Pinning information. . . . . . . . . . . . . . . . . . . . . . 4
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 5
7.1
General control . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.1.1
Start-up and undervoltage lock-out . . . . . . . . . 5
7.1.2
Supply management. . . . . . . . . . . . . . . . . . . . . 7
7.1.3
Latch input . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.1.4
Fast latch reset . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.1.5
Overtemperature protection (OTP). . . . . . . . . . 8
7.2
Power factor correction circuit. . . . . . . . . . . . . . 8
7.2.1
t
on
 control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.2.2
Valley switching and demagnetization
(PFCAUX pin) . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.2.3
Frequency limitation . . . . . . . . . . . . . . . . . . . . . 9
7.2.4
Mains voltage compensation (VINSENSE pin). 9
7.2.5
Soft start-up (pin PFCSENSE) . . . . . . . . . . . . . 9
7.2.6
Burst mode control . . . . . . . . . . . . . . . . . . . . . 10
7.2.7
Overcurrent protection (PFCSENSE pin) . . . . 11
7.2.8
Mains undervoltage lock-out / brownout
protection (VINSENSE pin). . . . . . . . . . . . . . . 11
7.2.9
Overvoltage protection (VOSENSE pin) . . . . . 11
7.2.10
PFC open loop protection (VOSENSE pin) . . 11
7.2.11
Driver (pin PFCDRIVER) . . . . . . . . . . . . . . . . 12
7.3
Flyback controller . . . . . . . . . . . . . . . . . . . . . . 12
7.3.1
Multi mode operation . . . . . . . . . . . . . . . . . . . 12
7.3.2
Valley switching (HV pin) . . . . . . . . . . . . . . . . 13
7.3.3
Current mode control (FBSENSE pin) . . . . . . 14
7.3.4
Demagnetization (FBAUX pin) . . . . . . . . . . . . 15
7.3.5
Flyback control / time-out (FBCTRL pin) . . . . 15
7.3.6
Soft start-up (pin FBSENSE) . . . . . . . . . . . . . 16
7.3.7
Maximum on-time . . . . . . . . . . . . . . . . . . . . . . 17
7.3.8
Overvoltage protection (FBAUX pin). . . . . . . . 17
7.3.9
Overcurrent protection (FBSENSE pin) . . . . . 18
7.3.10
Driver (pin FBDRIVER). . . . . . . . . . . . . . . . . . 18
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 18
9
Thermal characteristics . . . . . . . . . . . . . . . . . 19
10
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 19
11
Application information . . . . . . . . . . . . . . . . . 24
12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 26
13
Revision history . . . . . . . . . . . . . . . . . . . . . . . 27
14
Legal information . . . . . . . . . . . . . . . . . . . . . . 28
14.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 28
14.2
Denitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
14.3
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
14.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 28
15
Contact information . . . . . . . . . . . . . . . . . . . . 28
16
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
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