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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)： | 3/17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
11 of 17
NXP Semiconductors
TEA1742T
GreenChip PFC controller
Ipu(VINSENSE)
pull-up current on pin
VINSENSE
active after Vstop(VINSENSE) is
detected
55
47
40
A
Vmvc(VINSENSE)max maximum mains voltage
compensation voltage on pin
VINSENSE
4.0
-
V
II(VINSENSE)
input current on pin VINSENSE VINSENSE > Vstop(VINSENSE) after
Vstart(VINSENSE) is detected
5
33
100
nA
Vbst(dual)
dual boost voltage
current switch-over point
-
2.2
-
V
switch-over region
-
200
-
mV
Loop compensation PFC (pin PFCCOMP)
gm
transconductance
VVOSENSE to IO(PFCCOMP)
60
80
100
A/V
IO(PFCCOMP)
output current on pin
PFCCOMP
VVOSENSE = 2.0V
33
39
45
A
VVOSENSE = 3.3V
45
39
33
A
Vclamp(PFCCOMP)
clamp voltage on pin
PFCCOMP
Low power mode, PFC off, lower
clamp voltage
[1] 2.5
2.7
2.9
V
Upper clamp voltage
[1] -
3.9
-
V
Vton(PFCCOMP)zero
zero on-time voltage on pin
PFCCOMP
3.4
3.5
3.6
V
Vton(PFCCOMP)max
maximum on-time voltage on
pin PFCCOMP
1.20
1.25
1.30
V
Pulse width modulator PFC
ton(PFC)
PFC on-time
VVINSENSE = 3.3 V, VPFCCOMP =
Vton(PFCCOMP)max
3.6
4.5
5.0
s
VVINSENSE = 0.9 V, VPFCCOMP =
Vton(PFCCOMP)max
30
40
53
s
Output voltage sensing PFC (pin VOSENSE)
Vth(ol)(VOSENSE)
open-loop threshold voltage on
pin VOSENSE
-
1.15
-
V
Vreg(VOSENSE)
regulation voltage on pin
VOSENSE
for IO(PFCCOMP) = 0
2.475
2.500
2.525
V
Vovp(VOSENSE)
overvoltage protection voltage
on pin VOSENSE
2.60
2.63
2.67
V
Ibst(dual)
dual boost current
VVINSENSE <Vbst(dual) or VVOSENSE
< 2.1 V
--8
-
A
VVINSENSE > Vbst(dual)
-
-30
-
nA
Overcurrent protection PFC (pin PFCSENSE)
Vsense(PFC)max
maximum PFC sense voltage
V/t = 50 mV/s
0.49
0.52
0.55
V
V/t = 200 mV/s
0.51
0.54
0.57
V
tleb(PFC)
PFC leading edge blanking
time
250
310
370
ns
Iprot(PFCSENSE)
protection current on pin
PFCSENSE
50
-
5nA
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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