tea1553t NXP Semiconductors, tea1553t Datasheet - Page 20
tea1553t
Manufacturer Part Number
tea1553t
Description
Tea1553t Greenchip Ii Smps Control Ic
Manufacturer
NXP Semiconductors
Datasheet
1.TEA1553T.pdf
(27 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
tea1553t/N1,518
Manufacturer:
NXP/恩智浦
Quantity:
20 000
NXP Semiconductors
Table 5.
T
the IC, unless otherwise specified.
TEA1553T_1
Product data sheet
Symbol
V
V
V
Advanced overpower timing via pin CSTART (pin 15)
I
V
I
f
VCOadj input (pin 1)
I
Valley switch (pin 8)
( V/ t)
t
Current and short winding protection (pin 3)
V
t
V
t
I
Overvoltage protection (pin 16 and pin 2)
I
I
I
V
t
ch(CSTART)
opp(adv)
act(opp)(adv)
VCOADJ
d(vrec-swon)
PD
leb
startup(soft)
ovp
ch(OVPFCAP)
dch(OVPFCAP)
p(OVPFCAP)
amb
trip
VCC(latch)(reset)
LOCK
trip(CSTART)
sense(max)
swp
trip(OVPFCAP)
= 25 C; V
/V
vrec
VCC5V
Characteristics
CC
= 15 V; all voltages are measured with respect to ground (pin 11); currents are positive when flowing into
Parameter
trip voltage
latch reset voltage on
pin V
voltage on pin LOCK
to voltage on pin
VCC5V ratio
charge current on pin
CSTART
trip voltage on pin
CSTART
advanced over-power
protection current
advanced over-power
protection activation
frequency
current on pin
VCOADJ
valley recognition
voltage change with
time
valley recognition to
switch-on delay time
maximum sense
voltage
propagation delay
short-winding
protection voltage
leading edge blanking
time
soft startup current
over-voltage
protection current
charge current on pin
OVPFCAP
discharge current on
pin OVPFCAP
trip voltage on pin
OVPFCAP
pulse duration on pin
OVPFCAP
CC
…continued
Conditions
V
V
V
V
and
V
V
V
V
V/ t = 0.1 V/ s
V/ t = 0.5 V/ s
trip
trip
I
I
I
I
I
I
on pin SENSE < 0.1 V
on pin CTRL < 0.5 V
on pin CSTART > 2.5 V
on pin SENSE < 0.5 V
on pin OVPFCAP = 1 V
on pin OVPFCAP = 1 V
< 2.3 V
= 0.5
Rev. 01 — 3 July 2007
V
O( VCC5V)
[2]
[3]
[3]
Min
2.37
-
2.37
20
-
0.48
-
0.83
300
45
279
52
2.37
2.3
4
11.5
11.5
11.5
85
36
GreenChip II SMPS control IC
Typ
2.5
4.5
-
2.5
25
-
150
0.52
140
0.88
370
60
300
60
2.5
2.8
10
10
10
32
[1]
TEA1553T
Max
2.63
-
+4
2.63
33
+85
-
0.56
185
0.96
440
75
321
68
2.63
3.4
© NXP B.V. 2007. All rights reserved.
8.5
8.5
8.5
28
Unit
V
V
%
V
kHz
V/ s
ns
V
ns
V
ns
V
20 of 27
A
A
A
A
A
A
A
s