tea1612t NXP Semiconductors, tea1612t Datasheet - Page 14

• Manufacturer Part Number: tea1612t
• Description: Zero Voltage Switching Resonant Converter Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
All voltages are referred to the ground pins which must be connected externally; positive currents flow into the IC; V
and T
[1]
[2]
TEA1612T_1
Product data sheet
Symbol
Reset pin
V
V
I
CSS pin
I
CT pin
I
I
I
I
V
V
OCP pin
V
OTP
T
BO pin
V
I
BURST pin
V
PFC pin
I
V
HYST pin
I
I(rst)
start(soft)
ch
dch
leak
ch
bo(hys)
leak
leak
otp(act)
rst
rst(hys)
trip(H)(CT)
trip(L)(CT)
ref(OCP)
trip(bo)
ref(BURST)
sat
/I
dch
The supply current I
for the TEA1612T application are 8N50 (NXP type PHX80N50E, Q
150 kHz according to the following formula:
The frequency of the oscillator depends on the value of capacitor C
currents I
amb
= 25 C; tested using the circuit shown in
Characteristics
ch(CF)
Parameter
reset voltage
hysteresis of reset voltage
reset input current
soft start current
charge current
discharge current
leakage current
charge current to discharge
current ratio
HIGH-level trip voltage on
pin CT
LOW-level trip voltage on pin
CT
reference voltage on pin
OCP
activation overtemperature
protection temperature
brownout trip voltage
hysteresis of brownout
current
reference voltage on pin
BURST
leakage current
saturation voltage
leakage current
and I
DD
dch(CF)
increases with the increasing bridge frequency to drive the capacitive load of two MOSFETs. Typical MOSFETs
.
…continued
Conditions
V
I
V
I
PFC
DD
PFC
HYST
Rev. 01 — 24 September 2009
= 1 mA
=
= 1 V
Figure
= 5 V
2 Q
G tot
7, unless otherwise specified.
Zero voltage switching resonant converter controller
G(tot)
f
, the peak-to-peak voltage swing V
f
bridge
= 55 nC (typ) and these will increase the supply current at
=
2 55nC
Min
2.15
-
-
12
21
8
0.1
2.4
2.7
0.6
280
120
1.19
14
1.75
-
-
-
150kHz
=
Typ
2.4
0.65
-
15
27
10
0.3
2.7
3
0.7
305
135
1.25
16
1.8
-
-
-
CF
16.5mA
and the charge/discharge
TEA1612T
© NXP B.V. 2009. All rights reserved.
Max
2.65
-
1
18
33
12
1
3.0
3.3
0.8
330
150
1.31
18
1.85
1
0.2
1
DD
Unit
V
V
V
V
mV
V
V
V
14 of 19
C
= 13 V
A
A
A
A
A
A
A
A
A