tea1750t-n1 NXP Semiconductors, tea1750t-n1 Datasheet - Page 23

• 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
Peak current control flyback (pin FBCTRL)
V
V
R
I
I
Valley switching flyback (pin HV)
( V/ t)
t
Soft start flyback (pin FBSENSE)
I
V
R
Overcurrent protection flyback (pin FBSENSE)
V
t
Driver (pin FBDRIVER)
I
I
V
Latch input (pin LATCH)
V
I
V
V
V
O(FBCTRL)
to(FBCTRL)
d(vrec-swon)
start(soft)fb
leb(fb)
src(FBDRIVER)
sink(FBDRIVER)
O(LATCH)
amb
FBCTRL
to(FBCTRL)
start(soft)fb
sense(fb)max
O(FBDRIVER)(max)
prot(LATCH)
en(LATCH)
hys(LATCH)
oc(LATCH)
int(FBCTRL)
start(soft)fb
= 25 C; V
vrec(fb)
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
voltage on pin FBCTRL
time-out voltage on pin FBCTRL enable voltage
internal resistance on pin
FBCTRL
output current on pin FBCTRL
time-out current on pin FBCTRL V
flyback valley recognition
voltage change with time
valley recognition to switch-on
delay time
flyback soft start current
flyback soft start voltage
flyback soft start resistance
maximum flyback sense voltage
flyback leading edge blanking
time
source current on pin
FBDRIVER
sink current on pin FBDRIVER
maximum output voltage on pin
FBDRIVER
protection voltage on pin LATCH
output current on pin LATCH
enable voltage on pin LATCH
hysteresis voltage on pin LATCH V
open-circuit voltage on pin
LATCH
…continued
Rev. 01 — 6 April 2007
Conditions
for maximum flyback peak
current
trip voltage
V
V
V
V
V
V
V
V
at start-up
FBCTRL
FBCTRL
FBCTRL
FBCTRL
V/ t = 50 mV/ s
V/ t = 200 mV/ s
FBDRIVER
FBDRIVER
FBDRIVER
prot(LATCH)
oc(LATCH)
en(LATCH)
= 0 V
= 2 V
= 2.6 V
= 4.1 V
= 2 V
= 2 V
= 10 V
< V
V
prot(LATCH)
LATCH
<
[5]
GreenChip III SMPS control IC
Min
1.85
-
4.2
-
-
0.43
12
0.49
0.52
255
-
-
-
-
1.23
1.30
80
-
1.4
0.6
36
34.5
75
75
85
Typ
2.0
2.5
4.5
3
-
150
0.49
-
0.52
0.55
305
0.7
1.2
11
1.25
1.35
100
2.9
1.17
0.5
30
28.5
60
0.5
80
TEA1750
© NXP B.V. 2007. All rights reserved.
Max
2.15
-
4.8
-
+75
-
0.54
-
0.55
0.58
355
-
-
-
12
1.27
1.40
140
-
0.93 mA
0.4
24
22.5
45
75
23 of 29
Unit
V
V
V
k
mA
V/ s
ns
V
k
V
V
ns
A
A
A
V
V
V
mV
V
A
A
A
A