參數(shù)資料
型號(hào)： TEA1401T-T
廠商： NXP SEMICONDUCTORS
元件分類： 穩(wěn)壓器
英文描述： 1 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PDSO20
封裝： 7.50 MM, PLASTIC, MS-013AC, SOT-163-1, SOP-20
文件頁(yè)數(shù)： 12/20頁(yè)
文件大?。?/td> 119K
代理商： TEA1401T-T
1997 Mar 07
2
Philips Semiconductors
Preliminary specication
Power plug for the universal mains
TEA1401T
FEATURES
Designed for compact power plugs supplying up to 20 W
Integrated high-voltage power DMOS FET 625 V/1 A
Operates from all mains supplies (90 to 280 V AC)
Major design: current regulation at the primary side
(no opto-coupler, no secondary electronics)
Low external/peripheral component count
Combines accurate constant-voltage source (for supply)
and accurate constant-current source (for charging) in
one IC
Foldback feature
Requires simple input filter as a result of good EMC
design
Overshoot protection (output voltage)
Protects against under-voltage input, over-current and
over-temperature
20-pin SO medium-power package.
GENERAL DESCRIPTION
The TEA1401T is a Self Oscillating Power Supply (SOPS)
controller IC that operates directly from the rectified
universal mains. It is implemented in the BCD power logic
750 V process and includes the high voltage power switch
making an integrated single-switch flyback converter.
Dedicated circuitry for high power efficiency is built-in,
which makes a slim-line electronic power plug concept
possible.
The basic function is a galvanically isolated, combined
current and voltage source. No electronics are required at
the secondary side of the transformer. Implementation of
the TEA1401T renders a simple, small and accurate
battery charger system. The TEA1401T is capable of self
starting directly from the high voltage mains line.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V20
output voltage at pin 20 (DRAIN)
20 times
625
V
I20
current in MOS switch
peak value
1A
fsw
operating switching frequency range CCPFM = 470 pF
5
150
kHz
I1
input current at pin 1 (Vin), from the
high input voltage. VAT can supply
from the low voltage auxiliary
winding
VAT < 10 V (peak)
3mA
VAT > 10 V (peak);
fsw = 90 kHz
430
530
A
VAT > 10 V (peak);
fsw = 150 kHz
560
660
A
I17
average input current at pin 17 (VAT)VAT < 10 V (peak)
300
A
VAT > 10 V (peak)
3mA
Tamb
operating ambient temperature
20
+85
°C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TEA1401T
SO20
plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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TEA1501 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Greeny; GreenChip
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