TDA1175P
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit Fig.
DC CHARACTERISTICS (Refer to the test circuits, VS = 35V)
I2
Pin 2 Quiescent Current
Pin 7 Quiescent Current
Oscillator Bias Current
I3 = 0
7
8
14
17
mA
mA
1b
1b
1a
1b
1a
1b
I7
I6 = 0
– I11
– I14
– I16
– I16
V11 = 1V
V14 = 1V
V16 = 0
0.1
1
1
µ
A
Amplifier Input Bias Current
Ramp Generator Bias Current
Ramp Generator Current
10
µA
0.02
20
0.3
21.5
µ
A
18.5
10
I9 = 20µA, V16 = 0
µA
∆I16
Ramp Generator Non-linearity
Supply Voltage Range
0.2
1
%
1b
∆V16 = 0 to 12V, I9 = 20µA
I16
Vs
V1
V3
V6
35
1.4
2.5
V
V
V
Pin 1 Saturation Voltage to Ground I1 = 1mA
Pin 3 Saturation Voltage to Ground I3 = 10mA
1
1.5
1a
Qiuescent output Voltage
4.1
8.2
4.4
8.8
4.7
9.4
V
V
1a
1a
Vs = 10V, R1 = 1kΩ, R2 = 1kΩ
Vs = 35V, R1 = 3kΩ, R2 = 1kΩ
V6L
V6H
Output Saturation Voltage to
Ground
– I6 = 0.1A
– I6 = 0.8A
0.9
1.8
1.2
2.2
V
v
1c
1c
Output Saturation Voltage to Supply I6 = 0.1A
I6 = 0.8A
1.4
2.8
2.1
3.1
V
V
1d
1d
V8
V9
Regulated Voltage at Pin 8
6.5
6.6
6.7
6.8
1
6.9
7
V
V
1b
1b
Regulated Voltage at Pin 9
I9 = 20µA
Regulated Voltage Drift with Supply
Voltage
2
mV/V 1b
|∆V8| |∆V9|
∆Vs = 10 to 35V
,
∆VS ∆VS
V14
Amplifier Input Reference Voltage
2.20 2.27 2.35
V
V
10 ≤ 0.4V
AC CHARACTERISTICS (Refer to the AC test circuit, VS = 22V, f = 50Hz)
Is
Supply Current
Iy = 1APP
140
mA
mA
2
2
I10
Sync. Input Current (positive or
negative)
0.5
36
2
V6
tfly
Flyback Voltage
Iy = 1APP
45
0.7
18
V
2
2
2
2
Flyback Time
Iy = 1APP
ms
VON
fo
Peak to Peak Output Noise
Free Running Frequency
Pin 11 Connected to GND
30 mVpp
Hz
43.5
(P1 + R1) = 300kΩ
C9 = 0.1 µF
fOPER
Operating Frequency Range
Synchronization Range
10
14
120
Hz
Hz
2
2
∆f
I10 = 0.5mA, C9 = 0.1µF
(P1+R1) = 300kΩ
∆f
Frequency Drift with Supply Voltage Vs = 10 to 35V
0.005
0.01
Hz/V
2
2
∆VS
|∆f|
∆Tab
Frequency Drift with tab
Ttab = 40 to 120°C
Temperature
Hz/°C
3/8
STMICROELECTRONICS [ ST ]
