tea1753lt NXP Semiconductors, tea1753lt Datasheet - Page 23

• 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
Soft start PFC (pin PFCSENSE)
I
V
V
R
Oscillator PFC
f
t
Valley switching PFC (pin PFCAUX)
(V/t)
t
t
Demagnetization management PFC (pin PFCAUX)
V
t
I
PFC off delay (pin PFCTIMER)
I
I
V
V
Driver (pin PFCDRIVER)
I
I
V
Over Voltage Protection flyback (pin FBAUX)
I
N
start(soft)PFC
sw(PFC)max
off(PFC)min
vrec(PFC)
to(vrec)PFC
to(demag)PFC
prot(PFCAUX)
source(PFCTIMER)
sink(PFCTIMER)
src(PFCDRIVER)
sink(PFCDRIVER)
ovp(FBAUX)
amb
start(soft)PFC
stop(soft)PFC
th(comp)PFCAUX
start(PFCTIMER)
stop(PFCTIMER)
O(PFCDRIVER)max
start(soft)PFC
cy(ovp)
= 25
vrec(PFC)

C; V
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
PFC soft start current
PFC soft start voltage
PFC soft stop voltage
PFC soft start resistance
maximum PFC switching
frequency
minimum PFC off-time
PFC valley recognition voltage
change with time
PFC valley recognition time
PFC valley recognition time-out
time
comparator threshold voltage
on pin PFCAUX
PFC demagnetization time-out
time
protection current on pin
PFCAUX
source current on pin
PFCTIMER
sink current on pin PFCTIMER, V
start voltage on pin PFCTIMER
stop voltage on pin PFCTIMER
source current on pin
PFCDRIVER
sink current on pin
PFCDRIVER
maximum output voltage on pin
PFCDRIVER
overvoltage protection current
on pin FBAUX
number of overvoltage
protection cycles
…continued
All information provided in this document is subject to legal disclaimers.
Rev. 01 — 4 March 2011
Conditions
enabling voltage
disabling voltage
V
demagnetization to V/t = 0
V
V
V
V
PFCAUX
PFCAUX
PFCTIMER
PFCDRIVER
PFCDRIVER
PFCDRIVER
= 1 V peak-peak
= 50 mV
= 5 V
= 2 V
= 2 V
= 10 V
GreenChip III SMPS control IC
[2]
[3]
Min
75
0.46
0.42
12
-
0.8
-
-
-
3
150
40
75
-
-
-
-
-
-
-
-
279
6
TEA1753LT
Typ
60
0.50
0.45
-
250
1.1
-
-
-
4
100
50
-
5
3.5
1.25
3.75
0.5
0.7
1.2
11
300
8
© NXP B.V. 2011. All rights reserved.
Max
45
0.54
0.48
-
-
1.4
1.7
300
50
6
50
60
5
-
-
-
-
-
-
-
12
321
12
Unit
A
V
V
k
kHz
s
V/s
ns
ns
s
s
nA
A
V
V
A
A
A
V
A
23 of 31
mV
mA