tea1753t NXP Semiconductors, tea1753t Datasheet - Page 25

• Manufacturer Part Number: tea1753t
• Description: Tea1753t Greenchip Iii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
T
the IC; unless otherwise specified.
[1]
[2]
[3]
[4]
[5]
TEA1753T
Objective data sheet
Symbol
Overcurrent protection flyback (pin FBSENSE)
V
V
t
I
Overpower protection flyback (pin FBSENSE)
V
Driver (pin FBDRIVER)
I
I
V
LATCH input (pin LATCH)
V
I
V
V
V
Temperature protection
T
T
leb(fb)
adj(FBSENSE)
src(FBDRIVER)
sink(FBDRIVER)
O(LATCH)
amb
pl(IC)
pl(IC)hys
sense(fb)max
sense(fb)red(f)
sense(fb)max
O(FBDRIVER)(max)
prot(LATCH)
en(LATCH)
hys(LATCH)
oc(LATCH)
For a typical application with a compensation network on pin PFCCOMP, like the example in
Minimum required voltage change time for valley recognition on pin PFCAUX.
Minimum time required between demagnetization detection and V/t = 0 on pin PFCAUX.
Hysteresis for PFC on/off control.
Guaranteed by design.
= 25

C; V
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
maximum flyback sense
voltage
frequency reduction flyback
sense voltage
flyback leading edge blanking
time
adjust current on pin
FBSENSE
maximum flyback sense
voltage
source current on pin
FBDRIVER
sink current on pin FBDRIVER V
maximum output voltage on pin
FBDRIVER
protection voltage on pin
LATCH
output current on pin LATCH
enable voltage on pin LATCH
hysteresis voltage on pin
LATCH
open-circuit voltage on pin
LATCH
IC protection level temperature
hysteresis of IC protection level
temperature
…continued
All information provided in this document is subject to legal disclaimers.
Rev. 01 — 4 March 2011
Conditions
V/t = 50 mV/s
V/t = 200 mV/s
V/t = 50 mV/s
V/t = 50 mV/s
I
I
I
I
V
V
V
at start-up
V
FBAUX
FBAUX
FBAUX
FBAUX
FBDRIVER
FBDRIVER
FBDRIVER
prot(LATCH)
en(LATCH)
= 80 A
= 120 A
= 240 A
= 360 A
 V
= 2 V
= 2 V
= 10 V
< V
prot(LATCH)
LATCH
< V
oc(LATCH)
Figure
GreenChip III SMPS control IC
3.
Min
0.61
0.64
0.305 0.325 0.345 V
255
3.2
0.61
0.57
0.47
0.41
-
-
-
-
1.23
85
1.30
80
2.65
130
-
TEA1753T
Typ
0.65
0.68
305
3
0.65
0.62
0.52
0.46
0.5
0.7
1.2
11
1.25
80
1.35
100
2.9
140
10
© NXP B.V. 2011. All rights reserved.
Max
0.69
0.72
355
2.8
0.69
0.67
0.57
0.51
-
-
-
12
1.27
75
1.40
140
3.15
150
-
Unit
V
ns
A
V
V
V
V
A
A
A
V
V
A
V
V
C
C
25 of 31
mV