tea1752t NXP Semiconductors, tea1752t Datasheet - Page 25

• 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
I
PFC off delay (pin PFCTIMER)
I
I
V
V
Driver (pin PFCDRIVER)
I
I
V
Overvoltage protection flyback (pin FBAUX)
I
N
Demagnetization management flyback (pin FBAUX)
V
I
V
t
Pulse width modulator flyback
t
t
Oscillator flyback
f
V
f
f
ΔV
prot(PFCAUX)
source(PFCTIMER)
sink(PFCTIMER)
src(PFCDRIVER)
sink(PFCDRIVER)
ovp(FBAUX)
prot(FBAUX)
sup(xfmr_ring)
on(fb)min
on(fb)max
sw(fb)max
sw(fb)swon(PFC)
sw(fb)swoff(PFC)
amb
start(PFCTIMER)
stop(PFCTIMER)
O(PFCDRIVER)max
cy(ovp)
th(comp)FBAUX
clamp(FBAUX)
start(VCO)FBCTRL
VCO(FBCTRL)
= 25
°
C; V
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
protection current on pin
PFCAUX
source current on pin
PFCTIMER
sink current on pin PFCTIMER
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
comparator threshold voltage
on pin FBAUX
protection current on pin
FBAUX
clamp voltage on pin FBAUX
transformer ringing
suppression time
minimum flyback on-time
maximum flyback on-time
maximum flyback switching
frequency
VCO start voltage on pin
FBCTRL
PFC switch-on flyback
switching frequency
PFC switch-off flyback
switching frequency
VCO voltage difference on pin
FBCTRL
…continued
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 24 June 2010
Conditions
V
V
V
V
V
I
I
FBAUX
FBAUX
PFCAUX
PFCDRIVER
PFCDRIVER
PFCDRIVER
FBAUX
= −100 μA
= 300 μA
= 50 mV
= 50 mV
= 2 V
= 2 V
= 10 V
TEA1752T; TEA1752LT
GreenChip III SMPS control IC
Min
−75
-
-
-
-
-
-
-
-
279
6
60
−75
−0.85 −0.7
0.79
1.5
-
32
100
1.3
-
-
-
Typ
-
−10
0.9
1.27
3.6
−0.5
0.7
1.2
11
300
8
80
-
0.94
2
t
40
125
1.5
86
48
−0.2
leb
© NXP B.V. 2010. All rights reserved.
Max
−5
-
-
-
-
-
-
-
12
321
12
110
−5
−0.55 V
1.09
2.5
-
48
150
1.7
-
-
-
25 of 34
Unit
nA
μA
mA
V
V
A
A
A
V
μA
mV
nA
V
μs
ns
μs
kHz
V
kHz
kHz
V