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參數(shù)資料
| 型號： | TEA1742T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A POWER FACTOR CONTROLLER, 150 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT96-1, SOP-8 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 99K |
| 代理商： | TEA1742T |
TEA1742T_1
NXP B.V. 2009. All rights reserved.
Objective data sheet
Rev. 01 — 10 February 2009
12 of 17
NXP Semiconductors
TEA1742T
GreenChip PFC controller
[1]
For a typical application with a compensation network on pin PFCCOMP, like the example in Figure 3.
[2]
Minimum required voltage change time for valley recognition on pin PFCAUX.
Soft start PFC (pin PFCSENSE)
Istart(soft)PFC
PFC soft start current
75
60
45
A
Vstart(soft)PFC
PFC soft start voltage
enabling voltage
0.46
0.50
0.54
V
Rstart(soft)PFC
PFC soft start resistance
12
-
k
Oscillator PFC
fsw(PFC)max
maximum PFC switching
frequency
100
125
150
kHz
toff(PFC)min
minimum PFC off-time
1.1
1.4
1.7
s
Valley switching PFC (pin PFCAUX)
(
V/t)vrec(PFC)
PFC valley recognition voltage
change with time
-
1.7
V/
s
tvrec(PFC)
PFC valley recognition time
VPFCAUX = 1 V peak-peak
-
50
ns
tto(vrec)PFC
PFC valley recognition time-out
time
346
s
Demagnetization management PFC (pin PFCAUX)
Vth(comp)PFCAUX
comparator threshold voltage
on pin PFCAUX
150 100 50
mV
tto(demag)PFC
PFC demagnetization time-out
time
40
50
60
s
Iprot(PFCAUX)
protection current on pin
PFCAUX
VPFCAUX = 50 mV
75
-
5nA
Driver (pin PFCDRIVER)
Isrc(PFCDRIVER)
source current on pin
PFCDRIVER
VPFCDRIVER = 2 V
-
0.5
TBF
-A
Isink(PFCDRIVER)
sink current on pin
PFCDRIVER
VPFCDRIVER = 2 V
-
0.7
TBF
-A
VPFCDRIVER = 10 V
-
1.2
TBF
-A
VO(PFCDRIVER)max
maximum output voltage on pin
PFCDRIVER
-
1112V
Temperature protection
Tpl(IC)
IC protection level temperature
130
140
150
°C
Tpl(IC)hys
hysteresis of IC protection level
temperature
-10
-
°C
Table 5.
Characteristics …continued
Tamb =25 °C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when owing into
the IC; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TEA1742T/N1,118 | 功能描述:DC/DC 開關(guān)控制器 GreenChip PFC controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TEA1750 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:The TEA1750 combines a controller for Power Factor Correction (PFC) and a flyback controller. |
| TEA1750T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip III SMPS control IC |
| TEA1750T,518 | 制造商:NXP Semiconductors 功能描述:SYNC RECTIFIER (SR) CONTROLLER |
| TEA1750T/N1,518 | 功能描述:DC/DC 開關(guān)控制器 GREENCHIPIII RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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