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TEA1751T/1791/DB/9

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P31
TEA1751T All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 10 January 2013 22 of 31
NXP Semiconductors
TEA1751T
HV start-up flyback controller with integrated PFC controller
V
mvc(VINSENSE)max
maximum mains voltage
compensation voltage on the
VINSENSE pin
4--V
V
flr
fast latch reset voltage active after V
th(UVLO)
is detected - 0.75 - V
V
flr(hys)
hysteresis of fast latch reset
voltage
-0.12-V
I
I(VINSENSE)
input current on the VINSENSE
pin
V
VINSENSE
>V
stop(VINSENSE)
after
V
start(VINSENSE)
is detected
533100nA
V
bst(dual)
dual boost voltage current switch-over point - 2.2 - V
switch-over region - 200 - mV
Loop compensation PFC (PFCCOMP pin)
g
m
transconductance V
VOSENSE
to I
O(PFCCOMP)
60 80 100 A/V
I
O(PFCCOMP)
output current on the
PFCCOMP pin
V
VOSENSE
= 3.3 V 33 39 45 A
V
VOSENSE
= 2 V 45 39 33 A
V
clamp(PFCCOMP)
clamp voltage on the
PFCCOMP pin
Low-power mode; PFC off; lower
clamp voltage.
[1]
2.5 2.7 2.9 V
Upper clamp voltage
[1]
-3.9-V
V
ton(PFCCOMP)zero
zero on-time voltage on the
PFCCOMP pin
3.4 3.5 3.6 V
V
ton(PFCCOMP)max
maximum on-time voltage on
the PFCCOMP pin
1.20 1.25 1.30 V
Pulse-width modulator PFC
t
on(PFC)
PFC on-time V
VINSENSE
=3.3V;
V
PFCCOMP
=V
ton(PFCCOMP)max
3.6 4.5 5 s
V
VINSENSE
=0.9V;
V
PFCCOMP
=V
ton(PFCCOMP)max
30 40 53 s
Output voltage sensing PFC (VOSENSE pin)
V
th(ol)(VOSENSE)
open-loop threshold voltage on
the VOSENSE pin
-1.15-V
V
reg(VOSENSE)
regulation voltage on the
VOSENSE pin
for I
O(PFCCOMP)
= 0 2.475 2.500 2.525 V
V
ovp(VOSENSE)
overvoltage protection voltage
on the VOSENSE pin
2.60 2.63 2.67 V
I
bst(dual)
dual boost current V
VINSENSE
<V
bst(dual)
or
V
VOSENSE
<2.1V
- 15 A
V
VINSENSE
>V
bst(dual)
- 30 - nA
Over current protection PFC (PFCSENSE pin)
V
sense(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
t
leb(PFC)
PFC leading edge blanking
time
250 310 370 ns
I
prot(PFCSENSE)
protection current on the
PFCSENSE pin
50 - 5nA
Table 5. Characteristics
…continued
T
amb
=25
C; V
CC
= 20 V; all voltages are measured with respect to ground; currents are positive when flowing into the IC;
unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
TEA1751T All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 10 January 2013 23 of 31
NXP Semiconductors
TEA1751T
HV start-up flyback controller with integrated PFC controller
Soft-start PFC (PFCSENSE pin)
I
start(soft)PFC
PFC soft-start current 75 60 45 A
V
start(soft)PFC
PFC soft-start voltage enabling voltage 0.46 0.50 0.54 V
V
stop(soft)PFC
PFC soft-stop voltage disabling voltage 0.42 0.45 0.48 V
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 s
Valley switching PFC (PFCAUX pin)
(V/t)
vrec(PFC)
PFC valley recognition voltage
change with time
--1.7V/s
t
vrec(PFC)
PFC valley recognition time V
PFCAUX
= 1 V peak-to-peak
[2]
--300ns
demagnetization to V/t=0
[3]
--50ns
t
to(vrec)PFC
PFC valley recognition time-out
time
346s
Demagnetization management PFC (PFCAUX pin)
V
th(comp)PFCAUX
comparator threshold voltage
on the PFCAUX pin
150 100 50 mV
t
to(demag)PFC
PFC demagnetization time-out
time
40 50 60 s
I
prot(PFCAUX)
protection current on the
PFCAUX pin
V
PFCAUX
=50mV 75 - 5nA
Driver (PFCDRIVER pin)
I
src(PFCDRIVER)
source current on the
PFCDRIVER pin
V
PFCDRIVER
=2V - 0.5 - A
I
sink(PFCDRIVER)
sink current on the
PFCDRIVER pin
V
PFCDRIVER
=2V - 0.7 - A
V
PFCDRIVER
=10V -1.2-A
V
O(PFCDRIVER)max
maximum output voltage on the
PFCDRIVER pin
9.5 10.8 12 V
OverVoltage Protection flyback (FBAUX pin)
I
ovp(FBAUX)
overvoltage protection current
on the FBAUX pin
279 300 321 A
N
cy(ovp)
number of overvoltage
protection cycles
6812
Demagnetization management flyback (FBAUX pin)
V
th(comp)FBAUX
comparator threshold voltage
on the FBAUX pin
60 80 110 mV
I
prot(FBAUX)
protection current on the
FBAUX pin
V
FBAUX
=50mV 75 - 5nA
V
clamp(FBAUX)
clamp voltage on the FBAUX
pin
I
FBAUX
= 100 A 0.85 0.7 0.55 V
I
FBAUX
=300A 0.79 0.94 1.09 V
t
sup(xfmr_ring)
transformer ringing
suppression time
1.5 2 2.5 s
Table 5. Characteristics …continued
T
amb
=25
C; V
CC
= 20 V; all voltages are measured with respect to ground; currents are positive when flowing into the IC;
unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
TEA1751T All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 10 January 2013 24 of 31
NXP Semiconductors
TEA1751T
HV start-up flyback controller with integrated PFC controller
Pulse-width modulator flyback
t
on(fb)min
minimum flyback on-time - t
leb
-ns
t
on(fb)max
maximum flyback on-time 32 40 48 s
Oscillator flyback
f
sw(fb)max
maximum flyback switching
frequency
100 125 150 kHz
V
start(VCO)FBCTRL
VCO start voltage on the
FBCTRL pin
1.3 1.5 1.7 V
V
hys(FBCTRL)
hysteresis voltage on pin
FBCTRL
[4]
-75-mV
V
VCO(FBCTRL)
VCO voltage difference on the
FBCTRL pin
- 0.12 - V
Peak current control flyback (FBCTRL pin)
V
FBCTRL
voltage on the FBCTRL pin for maximum flyback peak current 1.85 2 2.15 V
V
to(FBCTRL)
time-out voltage on the
FBCTRL pin
enable voltage - 2.5 - V
trip voltage 4.2 4.5 4.8 V
R
int(FBCTRL)
internal resistance on the
FBCTRL pin
-3-k
I
O(FBCTRL)
output current on the FBCTRL
pin
V
FBCTRL
=0V 1.4 1.19 0.93 mA
V
FBCTRL
=2V 0.6 0.5 0.4 mA
I
to(FBCTRL)
time-out current on the
FBCTRL pin
V
FBCTRL
=2.6V 36 30 24 A
V
FBCTRL
=4.1V 34.5 28.5 22.5 A
Valley switching flyback (HV pin)
(V/t)
vrec(fb)
flyback valley recognition
voltage change with time
75 - +75 V/s
t
d(vrec-swon)
valley recognition to switch on
delay time
[5]
-150-ns
Soft-start flyback (FBSENSE pin)
I
start(soft)fb
flyback soft-start current 75 60 45 A
V
start(soft)fb
flyback soft-start voltage enable voltage 0.43 0.49 0.54 V
Overcurrent protection flyback (FBSENSE pin)
V
sense(fb)max
maximum flyback sense
voltage
V/t=50mV/s 0.49 0.52 0.55 V
V/t=200mV/s 0.52 0.55 0.58 V
t
leb(fb)
flyback leading edge blanking
time
255 305 355 ns
Overpower protection flyback (FBSENSE pin)
V
sense(fb)max
maximum flyback sense
voltage
V/t=50mV/s
I
FBAUX
=80A 0.49 0.52 0.55 V
I
FBAUX
=120A 0.46 0.50 0.54 V
I
FBAUX
=240A 0.38 0.42 0.46 V
Table 5. Characteristics …continued
T
amb
=25
C; V
CC
= 20 V; all voltages are measured with respect to ground; currents are positive when flowing into the IC;
unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P31

TEA1751T/1791/DB/9

Mfr. #:
Buy TEA1751T/1791/DB/9
Manufacturer:
NXP Semiconductors
Description:
Power Management IC Development Tools TEA1751 demoboard
Lifecycle:
New from this manufacturer.
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