TDA1771 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA1771 Datasheet PDF : 5 Pages
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TDA1771
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
V1,V2
V3
V8
I0
I0
I10
I10
Ptot
TS,TJ
Parameter
Supply Voltage
Flyback Peak Voltage
Trigger Input Voltage
Amplifier Input Voltage
Output Peak to Peak Current (non repetitive t = 2ms)
Output Peak to Peak Current t > 10µs
Pin 10 DC Current at V1 < V9
Pin 10 Peak to Peak Current @ tfly < 1.5ms
Total Power Dissipation @ Ttab = 60°C
Storage and Junction Temperature
Value
30
65
20
GNDtoVS
6
4
100
3
9
- 40, + 150
Unit
V
V
V
V
A
A
mA
A
W
°C
THERMAL DATA
Symbol
Rth (j-tab)
Rth (j-a)
Parameter+
Thermal Resistance Junction-tab
Thermal Resistance Junction-ambient
Max.
Max.
Value
10
70
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified)
Symbol
Parameter
TestConditions
Min. Typ. Max. Unit
DC(VS=30V)
I2
I9
-I6
-I6
dI6/I6
V1
V1L
V1H
V4
dV4/VS
dV4/dI4
Vr
Gv
Pin 2 Quiescent Current
Pin 9 Quiescent Current
Ramp Generator Bias Current
Ramp Generator Current
Ramp Gener. Linearity
Quiescent Output Voltage
Out Saturation Voltage to GND
Out Saturation Voltage to VS
Reference Voltage
Reference Voltage Drift Versus VS
Reference Voltage Drift Versus I4
Internal Ref. Voltage
Ouput Stage Open Loop Gain
I1 = 0, I10 = 0
I1 = 0, I10 = 0
V6 = 0
V6 = 0, - I4 = 20µA
V6 = 0 to 15V, - I4 = 20µA
Ra = 30kΩ, Rb = 10kΩ, VS = 30V
Ra = 6.8kΩ, Rb = 10kΩ, VS = 15V
I1 = 0.5A
I1 = 1.2A
- I1 = 0.5A
- I1 = 1.2A
- I4 = 20µA
VS = 10V to 30V
I4 = 10µA to 30µA
f = 100Hz
16
15
18.5 20
0.2
17.0 17.8
7.2 7.5
0.5
1
1.1
1.6
6.3 6.6
1
1.5
4.26 4.40
60
36
30
0.5
21.5
1
18.6
7.8
1
1.4
1.6
2.2
6.9
2
2
4.54
mA
mA
µA
µA
%
V
V
V
V
V
V
V
mV/V
mV/µA
V
dB
Vfs
V9 - 10 Saturation Voltage
V10
Pin 10 Scanning Voltage
V3
Trigger Input Threshold
I3
Trigger Input Bias Current
t3
Trigger Input Width
- I10 = 1.2A
I10 = 20mA
(see note 1)
VIN = V3 - 0.2V
(see note 2)
1.5 2.5 V
1.7 3
V
2.6 3.0 3.4 V
30 µA
20 60 th µS
Notes:
1. The trigger input circuit can accept, with a metal option, positive and negative going pulses.
2. th = 1----V.--2--P--⋅--P-t--S--- where tS is the vertical period and VPP is ramp amplitude at Pin 6.
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