TDA8380A Datasheet, PDF (16/20 Pages) NXP Semiconductors – Control circuit for switched mode power supplies

Philips Semiconductors
Control circuit for switched mode power supplies
Product specification
TDA8380A
PARAMETER
CONDITIONS
Synchronization
Minimum synchronization
pulse width
Switching threshold
Input current
Disabling threshold
Input voltage
Demagnetization input
Switching voltage level
Switching current level
Current range of clamp
circuits
Clamp level positive
Clamp level negative
Temperature coefficient
at −700 µA
at 10 mA
at −10 mA
Current protection
Input current
First threshold
Second threshold
Delay to switch output via
level 1
Delay to switch output via
level 2
First threshold including
R₁₃ (12 kΩ)
Threshold for open pin
detection
note 1
pulse at pin 13
from 300 mV to
100 mV;
I_O = 500 mA
pulse at pin 13
from 300 mV to
−200 mV;
I_O = 500 mA
R₆ = 5 kΩ
Note to the characteristics
1. Over the current range of I₆; 200 to 800 µA.
SYMBOL
t₁₁
V₁₁
I₁₁
V₁₁
V₁₁
V₃
I₃
I₃
V₃
V₃
TC
I₁₃
V₁₃
V₁₃
−
−
−
V₁₃
MIN.
TYP.
MAX. UNIT
−
−
0.5
µs
0.7
0.85
0.9
V
2.5
5.0
7.5
µA
4.2
5.6
6.0
V
390
−
550
mV
615
645
675
mV
−23
−
−39
µA
−10
−
+ 10
mA
−
950
−
mV
−
−800
−
mV
−
−1.9
−
mV/K
I₆/5.7 I₆/6
190
200
−10
0
I₆/6.3 mA
210
mV
10
mV
−
350
−
ns
−
300
500
ns
−
−800
−
mV
−
3.5
−
V
November 1993
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