tea1753lt NXP Semiconductors, tea1753lt Datasheet - Page 22

• Manufacturer Part Number: tea1753lt
• Description: Tea1753lt Greenchip Iii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
T
the IC; unless otherwise specified.
TEA1753LT
Objective data sheet
Symbol
V
V
V
Loop compensation PFC (pin PFCCOMP)
g
I
V
V
V
V
Pulse width modulator PFC
t
Output voltage sensing PFC (pin VOSENSE)
V
V
V
I
Over current protection PFC (pin PFCSENSE)
V
t
I
O(PFCCOMP)
on(PFC)
bst(dual)
leb(PFC)
prot(PFCSENSE)
amb
m
bst(dual)
th(pd)
hys(pd)
en(PFCCOMP)
clamp(PFCCOMP)
ton(PFCCOMP)zero
ton(PFCCOMP)max
th(ol)(VOSENSE)
reg(VOSENSE)
ovp(VOSENSE)
sense(PFC)max
= 25

C; V
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
dual boost voltage
power-down threshold voltage
power-down hysteresis 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
PFC on-time
open-loop threshold voltage on
pin VOSENSE
regulation voltage on pin
VOSENSE
overvoltage protection voltage
on pin VOSENSE
dual boost current
maximum PFC sense voltage
PFC leading edge blanking
time
protection current on pin
PFCSENSE
…continued
All information provided in this document is subject to legal disclaimers.
Rev. 01 — 4 March 2011
Conditions
current switch-over point
switch-over region
V
V
V
VINSENSE >= V
VINSENSE < V
Low power mode; PFC off; lower
clamp voltage.
VINSENSE >= V
VINSENSE < V
Upper clamp voltage
V
V
V
V
for I
V
V
V
V/t = 50 mV/s
V/t = 200 mV/s
VOSENSE
VOSENSE
VOSENSE
VINSENSE
PFCCOMP
VINSENSE
PFCCOMP
VINSENSE
VOSENSE
VINSENSE
O(PFCCOMP)
to I
= 2.0 V
= 3.3V
< 2.1 V
= V
= V
= 3.3 V;
= 0.9 V;
< V
> V
O(PFCCOMP)
ton(PFCCOMP)max
ton(PFCCOMP)max
bst(dual)
bst(dual)
bst(dual)
bst(dual)
= 0
bst(dual)
bst(dual)
or
GreenChip III SMPS control IC
[1]
Min
-
-
-
-
60
33
45
-
-
-
3.4
1.20
3.6
30
-
2.475 2.500 2.525 V
2.60
-
-
0.49
0.51
250
50
TEA1753LT
Typ
2.2
200
280
200
80
39
39
3.5
2.5
3.5
2.5
3.7
3.5
1.25
4.5
40
1.15
2.63
-8
-30
0.52
0.54
310
-
© NXP B.V. 2011. All rights reserved.
Max
-
-
-
-
100
45
33
-
-
-
3.6
1.30
5.0
53
-
2.67
-
-
0.55
0.57
370
5
Unit
V
mV
mV
A/V
A
A
V
V
V
V
V
V
s
s
V
V
A
nA
V
V
ns
nA
22 of 31
mV
V