tea1752t NXP Semiconductors, tea1752t Datasheet - Page 23

• Manufacturer Part Number: tea1752t
• Description: Greenchip Iii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
T
the IC; unless otherwise specified.
TEA1752T_LT
Product data sheet
Symbol
V
V
V
V
I
I
I
Input voltage sensing PFC (pin VINSENSE)
V
V
ΔV
I
V
V
V
I
V
Loop compensation PFC (pin PFCCOMP)
g
I
V
V
V
V
ch(low)
ch(high)
CC(oper)
pu(VINSENSE)
I(VINSENSE)
O(PFCCOMP)
amb
m
startup
th(UVLO)
start(hys)
hys
stop(VINSENSE)
start(VINSENSE)
mvc(VINSENSE)max
flr
flr(hys)
bst(dual)
en(PFCCOMP)
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
start-up voltage
undervoltage lockout threshold
voltage
hysteresis of start voltage
hysteresis voltage
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 V
dual boost voltage
transconductance
output current on pin
PFCCOMP
enable voltage on pin
PFCCOMP
clamp voltage on pin
PFCCOMP
zero on-time voltage on pin
PFCCOMP
maximum on-time voltage on
pin PFCCOMP
…continued
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 24 June 2010
Conditions
during start-up phase
V
V
V
V
no load on pins FBDRIVER and
PFCDRIVER
active after V
detected
active after V
detected
active after V
V
current switch-over point
switch-over region
V
V
V
low power mode; PFC off; lower
clamp voltage
upper clamp voltage
startup
HV
th(UVLO)
HV
VINSENSE
start(VINSENSE)
VOSENSE
VOSENSE
VOSENSE
> 80 V; V
> 80 V; V
− V
< V
to I
= 2.0 V
= 3.3 V
th(UVLO)
> V
CC
stop(VINSENSE)
stop(VINSENSE)
th(UVLO)
O(PFCCOMP)
CC
trip
stop(VINSENSE)
is detected
< V
< V
< V
TEA1752T; TEA1752LT
startup
trip
CC
is detected
or
< V
th(UVLO)
is
is
after
GreenChip III SMPS control IC
[1]
[1]
Min
21
14
-
6.3
−1.2
−4.6
2.25
0.86
1.11
-
−55
4.0
-
-
5
-
-
60
33
−45
-
-
-
3.4
1.20
Typ
22
15
300
7
−1.0
−5.4
3
0.89
1.15
−100
−47
-
0.75
0.12
33
2.2
200
80
39
−39
3.5
3.5
3.7
3.5
1.25
© NXP B.V. 2010. All rights reserved.
Max
23
16
-
7.7
−0.8
−6.3
3.75
0.92
1.19
-
−40
-
-
-
100
-
-
100
45
−33
-
-
-
3.6
1.30
23 of 34
Unit
V
V
mV
V
mA
mA
mA
V
V
mV
μA
V
V
V
nA
V
mV
μA/V
μA
μA
V
V
V
V
V