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| 型號： | SSL4101DB01 |
| 廠商： | NXP Semiconductors N.V. |
| 中文描述： | Demoboard description Universal mains, input 90-305 Vac USB cable, power supply adaptor,CDROM (SPI software, datasheets, PCB layout-schematics, Quickstart guide) |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 103K |
| 代理商： | SSL4101DB01 |
AN10580_1
NXP B.V. 2008. All rights reserved.
Application note
Rev. 01 — 19 March 2008
3 of 11
NXP Semiconductors
AN10580
GreenChip TEA1761 SR and feedback controller
1.
Introduction
The TEA1761 is a controller for synchronous rectification, to be used in quasi-resonant
and discontinuous conduction mode flyback converters. Besides control of the SR
MOSFET, the TEA1761 contains the voltage reference and amplifiers to regulate and
control the output voltage and output current of the power supply.
2.
Application schematic TEA1761
Figure 1
shows a typical synchronous rectification application using the TEA1761.
See
Table 1
in
Section 6.2
for the component values, which are relevant to the
application’s behavior.
3.
Functional description and application
3.1 SR control
The TEA1761 uses the SRSENSE pin as an input to control the MOSFETs.
There is no adjustment necessary for the SR control.
Fig 1.
Example of the TEA1761 in a 90 W adapter
014aaa051
OPTO
SRSENSE DRIVER
1
GND
ISENSE
n.c.
VSENSE
V
CC
R34
R35
R36
R37
Q3
Q4
R38
C33
C34
C35
R40
R39
R42
R33
C38
R41
1
2
C36
C37
R32
R30
U2
2
C39
R31
C31
1
2
R18
R19
C8
D3
C9
Q2
R15
T1
9, 10
7, 8
1
2
4
V OUT
GND
U3
5
6
3
7
2
4
8
相關PDF資料 |
PDF描述 |
|---|---|
| SSL4101DB01 | |
| SSTA | SURFACE MOUNT SUPER FAST RECTIFIERS |
| SSTB | SURFACE MOUNT SUPER FAST RECTIFIERS |
| SSTD | SURFACE MOUNT SUPER FAST RECTIFIERS |
| SSTE | SURFACE MOUNT SUPER FAST RECTIFIERS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SSL4101DB01,598 | 制造商:NXP Semiconductors 功能描述:>91% EFF. PF>0.9 - Boxed Product (Development Kits) 制造商:NXP Semiconductors 功能描述:48V 150W Universal Ref des |
| SSL4101DB01598 | 制造商:NXP Semiconductors 功能描述:DEMO BOARD SSL4101 150W LED |
| SSL4101DB02,598 | 制造商:NXP Semiconductors 功能描述:COMBI OF 935295503598 AND 935295178598 IN SINGLE CASING - Boxed Product (Development Kits) 制造商:NXP Semiconductors 功能描述:4ch-1A-42V 150W SSL Ref des |
| SSL4101DB02598 | 制造商:NXP Semiconductors 功能描述:DEMO BOARD SSL4101 150W LED |
| SSL4101T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip III SMPS control IC Frequency limitation to reduce switching losses. |
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