TEA1750_2
?NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 15 December 2008
20 of 29
NXP Semiconductors
TEA1750
GreenChip III SMPS control IC
I
ch(low)
low charging current
V
I
on pin HV > 80 V; V
CC
< V
trip
or V
th(UVLO)
< V
CC
< V
startup
1.2
1
0.8
mA
I
ch(high)
high charging current
V
I
on pin HV > 80 V;
V
trip
< V
CC
< V
th(UVLO)
6.3
5.4
4.6
mA
I
CC(oper)
operating supply current
no load on pin FBDRIVER and
PFCDRIVER
2.25
3
3.75
mA
Input voltage sensing PFC (pin VINSENSE)
V
stop(VINSENSE)
stop voltage on pin
VINSENSE
0.86
0.89
0.92
V
V
start(VINSENSE)
start voltage on pin
VINSENSE
1.11
1.15
1.19
V
V
pu(VINSENSE)
pull-up voltage difference on
pin VINSENSE
active after V
stop(VINSENSE)
is
detected
-
100 -
mV
I
pu(VINSENSE)
pull-up current on pin
VINSENSE
active after V
stop(VINSENSE)
is
detected
55
47
40
礎
V
mvc(VINSENSE)max
maximum mains voltage
compensation voltage on pin
VINSENSE
4.0
-
-
V
V
r
fast latch reset voltage
active after V
th(UVLO)
is detected
-
0.75
-
V
V
r(hys)
hysteresis of fast latch reset
voltage
-
0.12
-
V
I
I(VINSENSE)
input current on pin
VINSENSE
V
VINSENSE
> V
stop(VINSENSE)
after
V
start(VINSENSE)
is detected
5
33
100
nA
Loop compensation PFC(pin PFCCOMP)
g
m
transconductance
V
VOSENSE
to I
O(PFCCOMP)
60
80
100
礎/V
I
O(PFCCOMP)
output current on pin
PFCCOMP
V
VOSENSE
= 3.3 V
33
39
45
礎
V
VOSENSE
= 2.0 V
45
39
33
礎
V
clamp(PFCCOMP)
clamp voltage on pin
PFCCOMP
low power mode, PFC in burst
mode, 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 pin
PFCCOMP
3.4
3.5
3.6
V
V
ton(PFCCOMP)max
maximum on-time voltage on
pin PFCCOMP
1.20
1.25
1.30
V
Pulse width modulator PFC
t
on(PFC)
PFC on-time
V
VINSENSE
= 3.3 V;
V
PFCCOMP
= V
ton(max)(PFC)
3.6
4.5
5.0
祍
V
VINSENSE
= 0.9 V;
V
PFCCOMP
= V
ton(max)(PFC)
30
40
53
祍
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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