參數(shù)資料
型號(hào): TEA1750T/N1,518
廠商: NXP Semiconductors
文件頁(yè)數(shù): 21/29頁(yè)
文件大?。?/td> 163K
描述: IC PFC CONTROLLER DCM16SOIC
標(biāo)準(zhǔn)包裝: 2,500
系列: GreenChip™ III
模式: 間歇導(dǎo)電(DCM)
頻率 - 開關(guān): 100kHz ~ 150kHz
電流 - 啟動(dòng): 60µA
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SO
包裝: 帶卷 (TR)
TEA1750_2
?NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02  15 December 2008
21 of 29
NXP Semiconductors
TEA1750
GreenChip III SMPS control IC
Output voltage sensing PFC (pin VOSENSE)
V
th(ol)(VOSENSE)
open-loop threshold voltage
on pin VOSENSE
0.35
0.40
0.45
V
V
start(fb)
yback start voltage
[2]
-
1.72
-
V
V
stop(fb)
yback stop voltage
1.55
1.60
1.65
V
V
burst(L)
LOW-level burst mode voltage
1.87
1.92
1.97
V
V
burst(H)
HIGH-level burst mode voltage
2.19
2.24
2.29
V
V
reg(VOSENSE)
regulation voltage on pin
VOSENSE
I
O(PFCCOMP)
= 0
2.475   2.500   2.525   V
V
ovp(VOSENSE)
overvoltage protection voltage
on pin VOSENSE
2.60
2.63
2.67
V
I
I(VOSENSE)
input current on pin
VOSENSE
V
VOSENSE
= 2.5 V
5
45
100
nA
Overcurrent protection PFC (pin PFCSENSE)
V
sense(PFC)max
maximum PFC sense voltage   V/t = 50 mV/祍
0.49
0.52
0.55
V
V/t = 200 mV/祍
0.51
0.54
0.57
V
t
leb(PFC)
PFC leading edge blanking
time
250
310
370
ns
I
prot(PFCSENSE)
protection current on pin
PFCSENSE
50
-
5
nA
Soft start, soft stop PFC (pin PFCSENSE)
I
start(soft)PFC
PFC soft start current
75
60
45
礎(chǔ)
V
start(soft)PFC
PFC soft start voltage
0.46
0.50
0.54
V
V
stop(soft)PFC
PFC soft stop voltage
0.42
0.45
0.48
V
R
start(soft)PFC
PFC soft start resistance
12
-
-
k&
Oscillator PFC
f
sw(PFC)max
maximum PFC switching
frequency
100
125
150
kHz
t
off(PFC)min
minimum PFC off-time
1.1
1.4
1.7
Valley switching PFC (pin PFCAUX)
(V/t)
vrec(PFC)
PFC valley recognition voltage
change with time
-
-
1.7
V/祍
t
vrec(PFC)
PFC valley recognition time
V
PFCAUX
 = 1 V; peak-to-peak
[3]
-
-
300
ns
demagnetization to V/t = 0
[4]
-
-
50
ns
t
to(vrec)PFC
PFC valley recognition
time-out time
3
4
6
Table 5.
Characteristics &continued
T
amb
= 25 癈; V
CC
= 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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