TEA1750 NXP Semiconductors, TEA1750 Datasheet - Page 20

• Manufacturer Part Number: TEA1750
• Description: GreenChip III SMPS control IC
• Manufacturer: NXP Semiconductors

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NXP Semiconductors
Table 5.
T
the IC; unless otherwise specified.
TEA1750_2
Product data sheet
Symbol
I
I
I
Input voltage sensing PFC (pin VINSENSE)
V
V
I
V
V
V
I
Loop compensation PFC(pin PFCCOMP)
g
I
V
V
V
Pulse width modulator PFC
t
ch(low)
ch(high)
CC(oper)
pu(VINSENSE)
I(VINSENSE)
O(PFCCOMP)
on(PFC)
amb
m
stop(VINSENSE)
start(VINSENSE)
V
mvc(VINSENSE)max
flr
flr(hys)
clamp(PFCCOMP)
ton(PFCCOMP)zero
ton(PFCCOMP)max
pu(VINSENSE)
= 25 C; V
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
low charging current
high charging current
operating supply current
stop voltage on pin
VINSENSE
start voltage on pin
VINSENSE
pull-up voltage difference on
pin VINSENSE
pull-up current on pin
VINSENSE
maximum mains voltage
compensation voltage on pin
VINSENSE
fast latch reset voltage
hysteresis of fast latch reset
voltage
input current on pin
VINSENSE
transconductance
output current on pin
PFCCOMP
clamp voltage on pin
PFCCOMP
zero on-time voltage on pin
PFCCOMP
maximum on-time voltage on
pin PFCCOMP
PFC on-time
…continued
Rev. 02 — 15 December 2008
Conditions
V
or V
V
V
no load on pin FBDRIVER and
PFCDRIVER
active after V
detected
active after V
detected
active after V
V
V
V
V
V
low power mode, PFC in burst
mode, lower clamp voltage
upper clamp voltage
V
V
V
V
I
I
trip
VINSENSE
start(VINSENSE)
VOSENSE
VOSENSE
VOSENSE
VINSENSE
PFCCOMP
VINSENSE
PFCCOMP
on pin HV > 80 V; V
on pin HV > 80 V;
th(UVLO)
< V
CC
to I
= 3.3 V
= 2.0 V
= 3.3 V;
= V
= 0.9 V;
= V
> V
< V
< V
stop(VINSENSE)
stop(VINSENSE)
th(UVLO)
O(PFCCOMP)
ton(max)(PFC)
ton(max)(PFC)
stop(VINSENSE)
th(UVLO)
is detected
CC
< V
is detected
startup
CC
< V
is
is
after
trip
GreenChip III SMPS control IC
[1]
[1]
Min
2.25
0.86
1.11
-
4.0
-
-
5
60
33
2.5
-
3.4
1.20
3.6
30
1.2
6.3
55
45
Typ
3
0.89
1.15
-
0.75
0.12
33
80
39
2.7
3.9
3.5
1.25
4.5
40
1
5.4
100
47
39
TEA1750
© NXP B.V. 2008. All rights reserved.
Max
3.75
0.92
1.19
-
-
-
-
100
100
45
2.9
-
3.6
1.30
5.0
53
0.8
4.6
40
33
20 of 29
Unit
mA
mA
mA
V
V
mV
V
V
V
nA
V
V
V
V
A
A/V
A
A
s
s