TDA8380A Ver la hoja de datos (PDF) - Philips Electronics
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TDA8380A Datasheet PDF : 20 Pages
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Philips Semiconductors
Control circuit for switched mode power supplies
Product specification
TDA8380A
CHARACTERISTICS
VCC = 14 V; Tamb = 25 °C; reference resistor = 5 kΩ unless otherwise specified
PARAMETER
CONDITIONS
SYMBOL
MIN.
Supply
Supply voltage
Supply initialization level
High voltage protection
Internal fixed minimum
protection level
Hysteresis
Supply current
operational
before initialization
Reference current (pin 4)
Trigger level VCCmin setting
Clamp voltage
note 1
at 20 mA
VCC
V5
V5
V5
dVCC
ICC
ICC
I4
V5
9
15
21
7.9
−
−
−
I6/5.7
3.6V4
21.5
Reference (pin 6)
Reference voltage
Current range
Reference voltage over
I6 range
Error amplifier
Error amplifier threshold
Input current
Sink current output
Source current output
Open loop gain
Unity gain bandwidth
Input DUTY current
High FB protection level
Temperature coefficient of
error amplifier threshold
TCG function (see Fig.8)
Transfer characteristics
Minimum duty factor
Plateau width
Vref
Iref
dVref
VCC = 8.5 to 20 V V7
I7
at 1.2 V
I8
at 5.5 V
I8
A0
BW
note 1
I9
V7
dV7/dT
dD/dV7
Dmin
V7
2.4
200
−20
2.4
0
1
80
−
−
I6/5.7
2.95
−
−
−
−
TYP.
−
17
23
8.4
50
−
100
I6/6
3.8V4
23.5
2.5
−
−
2.5
−
−
100
100
5
I6/6
3.1
100
32
12
200
MAX.
20
18
25
8.9
−
15
150
I6/6.4
4.2V4
25.5
2.6
800
+ 20
2.6
5
−
130
−
−
I6/6.3
3.25
−
−
−
−
UNIT
V
V
V
V
mV
mA
µA
mA
V
V
V
µA
mV
V
µA
mA
µA
dB
MHz
mA
V
10−6/K
%/V
%
mV
November 1993
14
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