TEA2260 - TEA2261
BLOCK DIAGRAM
S
7
V
16
V +
15
CC
15.7V
ERROR AMPLIFLIER
INTERNAL
BIAS
VCC MONITORING
7.4V 10.3V
-
6
E
-
+
OVERVOLTAGE
PROTECTION
VREF
VREF (2.49V)
2.49V
POSITIVE
OUTPUT
STAGE
- 1
-
+ 1.2A
(Max.)
MODULATOR
LOGIC
+
PRIMARY
PULSES
REGULATION
PULSES
IS
LOGIC
LOGIC
PROCESSOR
14
MODULATORS
VCC
OUT
+
AUTOMATIC
BURST
GENERATION
NEGATIVE
OUTPUT
STAGE
- 2A
-
(Max.)
REPETITIVE
OVERLOAD
PROTECTION
CURRENT
LIMITATION
DEMAGNETIZATION
SENSING
-
45µ A
-
TON(Max.) (60%)
SOFT-START
-
-
OSCILLATOR
0.15V
2.55V
0.6V
0.9V
10µ A
SECONDARY
PULSE
9
11
10
1
2
8
3
4
5
12 13
C1
R0 C0
IS IN
C2
I
GND
MAX
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
V16-V4, 5, 12, 13
V15-V4, 5, 12, 13
Value
20
Unit
VCC
V+
Power Supply
V
V
Output Stage Power Supply
20
IOUT
IOUT
Tj
+
Positive Output Current (source current)
Negative Output Current (sink current)
Operating Junction Temperature
Storage Temperature Range
1.5
A
-
2.5
A
150
oC
oC
Tstg
-40, +150
THERMAL DATA
Rth (j-c)
Rth (j-a)
Junction-case Thermal Resistance
Junction-ambient Thermal Resistance
11
45
oC/W
oC/W
* Soldered on a 35µm, 40cm2 board copper area.
MAXIMUM POWER DISSIPATION
P
(W)
tot
4
3
2
1
o
45 C/W
o
T
AMB
( C)
0
50
100
150
3/9
STMICROELECTRONICS [ ST ]
