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| 型號(hào)： | TEA1541 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | SMPS control IC with synchronization function |
| 中文描述： | 開(kāi)關(guān)電源與同步功能控制IC |
| 文件頁(yè)數(shù)： | 15/19頁(yè) |
| 文件大小： | 112K |
| 代理商： | TEA1541 |
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2003 Aug 11
15
Philips Semiconductors
Product specification
SMPS control IC with
synchronization function
TEA1541
11 APPLICATION INFORMATION
AtypicalflybackconverterthatusestheTEA1541consists
of an input filter, a transformer with a third (auxiliary)
winding, and an output stage with a feedback circuit.
CapacitorC
VCC
connectedtopin V
CC
bufferstheICsupply
voltage from the rectified high voltage (AC) mains during
start-up, or from the auxiliary winding during operation.
Resistor R
sense
converts the primary current into a voltage
at pin I
sense
. The resistor value defines the maximum
primary peak current. Resistor R
SS
and capacitor C
SS
enable soft start and burst standby mode operation.
A resistor and a series diode can be placed in parallel with
resistor R
DEM
to control the amount of current flowing into,
and out of the IC, allowing the values of the OVP level and
primary current simulation to be defined independently.
More details are available in Application note AN10205
handbook, full pagewidth
MDB081
VCC
RDEM
DVCC
RSS
CSS
RREG
Rsense
OPTO
RREG1
RREG2
power
MOSFET
CVCC
CVIN
CSNUB
RSNUB
DSNUB
CSYNC
CREG
RSYNC
Sync
Vmains
OUTPUT
COUT
DOUT
TEA1541P
1
2
3
4
8
7
6
5
GND
CTRL
DEM
VIN
HV
DRIVER
Isense
Fig.8 Flyback configuration with synchronization and soft start.
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相關(guān)代理商/技術(shù)參數(shù) |
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| TEA1541P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:SMPS control IC with synchronization function |
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| TEA1552 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChipII SMPS control IC |
| TEA1552T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChipII SMPS control IC |
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