tea1750t-n1 NXP Semiconductors, tea1750t-n1 Datasheet - Page 22

• Manufacturer Part Number: tea1750t-n1
• Description: Tea1750 Greenchip Iii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
T
the IC; unless otherwise specified.
TEA1750_1
Product data sheet
Symbol
Demagnetization management PFC (pin PFCAUX)
V
t
I
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
V
to(demag)PFC
prot(PFCAUX)
src(PFCDRIVER)
sink(PFCDRIVER)
ovp(FBAUX)
prot(FBAUX)
sup(xfmr_ring)
on(fb)min
on(fb)max
sw(fb)max
amb
V
th(comp)PFCAUX
O(PFCDRIVER)max
th(comp)FBAUX
clamp(FBAUX)
start(VCO)FBCTRL
hys(FBCTRL)
cy(ovp)
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
comparator threshold voltage on
pin PFCAUX
PFC demagnetization time-out
time
protection current on pin
PFCAUX
source current on pin
PFCDRIVER
sink current on pin PFCDRIVER V
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 V
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
hysteresis voltage on pin
FBCTRL
VCO voltage difference on pin
FBCTRL
…continued
Rev. 01 — 6 April 2007
Conditions
V
V
V
I
I
FBAUX
FBAUX
PFCAUX
PFCDRIVER
PFCDRIVER
PFCDRIVER
FBAUX
= 500 A
= 500 A
= 50 mV
= 50 mV
= 2 V
= 2 V
= 10 V
GreenChip III SMPS control IC
Min
40
-
-
-
-
279
6
60
0.5
1.5
-
20
100
1.3
-
-
150
75
50
1.0
Typ
50
-
0.7
1.2
11
300
8
80
-
0.7
2
t
25
125
1.5
60
leb(fb)
100
0.5
0.8
0.1
TEA1750
© NXP B.V. 2007. All rights reserved.
Max
60
-
-
-
12
321
12
110
0.9
2.5
-
30
150
1.7
-
-
50
5
5
0.6
22 of 29
Unit
mV
nA
A
A
A
V
mV
nA
V
V
ns
kHz
V
mV
V
s
A
s
s