參數(shù)資料
型號： TEA1751T/N1,518
廠商： NXP Semiconductors
文件頁數(shù)： 24/29頁
文件大小： 253K
描述： IC CTRLR GREENCHIP SMPS 16-SOIC
標(biāo)準(zhǔn)包裝： 2,500
系列： GreenChip™ III
模式： 連續(xù)導(dǎo)電（CCM）
頻率 - 開關(guān)： 125kHz
電流 - 啟動： 60µA
電源電壓： 0.65 V ~ 22 V
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)
TEA1751T_LT_2
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02  23 December 2009
24 of 29
NXP Semiconductors
TEA1751T; TEA1751LT
GreenChip III SMPS control IC
[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.
[3]   Minimum time required between demagnetization detection and 擵/攖 = 0 on pin PFCAUX.
[4]   Hysteresis for PFC on/off control.
[5]   Guaranteed by design.
t
d(vrec-swon)
valley recognition to switch-on
delay time
[5]
-
150
-
ns
Soft start flyback (pin FBSENSE)
I
start(soft)fb
flyback soft start current
75
60
45
糀
V
start(soft)fb
flyback soft start voltage
enable voltage
0.43
0.49
0.54
V
R
start(soft)fb
flyback soft start resistance
12
-
-
k?/DIV>
Overcurrent protection flyback (pin FBSENSE)
V
sense(fb)max
maximum flyback sense
voltage
擵/攖 = 50 mV/約
0.49
0.52
0.55
V
擵/攖 = 200 mV/約
0.52
0.55
0.58
V
t
leb(fb)
flyback leading edge blanking
time
255
305
355
ns
I
start(OPP)FBAUX
OPP start current on pin
FBAUX
-
100    -
糀
I
opp(red)(FBAUX)
reduced overpower protection
current on pin FBAUX
V
sense(fb)max
 has reduced to
0.37 V
-
360    -
糀
Driver (pin FBDRIVER)
I
src(FBDRIVER)
source current on pin
FBDRIVER
V
FBDRIVER
 = 2 V
-
0.5
-
A
I
sink(FBDRIVER)
sink current on pin FBDRIVER   V
FBDRIVER
 = 2 V
-
0.7
-
A
V
FBDRIVER
 = 10 V
-
1.2
-
A
V
O(FBDRIVER)(max)
maximum output voltage on pin
FBDRIVER
-
11
12
V
LATCH input (pin LATCH)
V
prot(LATCH)
protection voltage on pin
LATCH
1.23
1.25
1.27
V
I
O(LATCH)
output current on pin LATCH
V
prot(LATCH)
< V
LATCH
< V
oc(LATCH)
85
80
75
糀
V
en(LATCH)
enable voltage on pin LATCH
at start-up
1.30
1.35
1.40
V
V
hys(LATCH)
hysteresis voltage on pin
LATCH
V
en(LATCH)
 V
prot(LATCH)
80
100
140
mV
V
oc(LATCH)
open-circuit voltage on pin
LATCH
2.65
2.9
3.15
V
Temperature protection
T
pl(IC)
IC protection level temperature
130
140
150
癈
T
pl(IC)hys
hysteresis of IC protection level
temperature
-
10
-
癈
Table 5.
Characteristics &continued
T
amb
= 25 ?/SPAN>C; V
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
the IC; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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