TDA1175P
BLOCK DIAGRAM
+ VS
C4
DA
8
2
3
7
FREQ
C1
P1
TDA1175P
C9
RH
VOLTAGE
REGULATOR
FLYBACK
GENERATOR
POWER
AMPLIFIER
11
6
OSCILLATOR
RG
C5
YOKE
C8
SYNC
CIRCUIT
RAMP
GENERATOR
BUFFER
STAGE
10
15
SYNC
PREAMPLIFIER
14
C7
RE
4
5
12 13
TABS
9
16
1
RD
LINEARITY
C
2
HEIGHT
P2
RA
P3
RB
RC
C6
RF
C3
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
35
Unit
V
Vs
V6, V7
V14
Supply Voltage at Pin 2
Flyback Peak Voltage
60
V
Power Amplifier Input Voltage
+ 10
– 0.5
V
V
Io
Io
Output Peak Current (non repetitive) at t = 2ms
Output Peak Current at f = 50Hz, t ≤ 10µs
Output Peak Current at f = 50Hz, t > 10µs
Pin 3 DC Current at V6 < V2
2
A
A
2.5
1.5
100
1.8
Io
A
I3
mA
A
I3
Pin 3 Peak to Peak Flyback Current for f = 50Hz, tfly ≤ 1.5ms
I10
Ptot
Pin 10 Current
±
mA
20
4.3
1
W
W
Power Dissipation : at Ttab = 90°C
at Tamb = 70°C (free air) (1)
Tstg, Tj
Storage and Junction Temperature
– 40, + 150
°
C
THERMAL DATA
Symbol
Parameter
Value
12
Unit
Rth (j-tab)
Thermal Resistance Junction-pin
Max.
Max.
°C/W
(1)
Rth (j-amb)
Thermal Resistance Junction-ambient
80
°
C/W
(1) Obtained with tabs soldered to printed circuit with minimized copper area.
2/8
STMICROELECTRONICS [ ST ]
