TDA8380A Datasheet, PDF (15/20 Pages) NXP Semiconductors – Control circuit for switched mode power supplies

Philips Semiconductors
Control circuit for switched mode power supplies
Product specification
TDA8380A
PARAMETER
Slow-start function
Transfer characteristics
Input current
Sink current during faults
Internally fixed maximum
duty factor
Clamp current
Output stage
Source transistor
Voltage drop with respect
to V_CC
Pull-up current
Operating current range
Sink transistor (see Fig.11)
Saturation voltage
at 2.5 A
at 1 A
at 10 mA
Leakage current
Falling edge
Operating current range
Peak
Average
Oscillator
High level voltage
Low level voltage
Charge current
Frequency range
Frequency
Temperature coefficient of
the frequency
CONDITIONS
SYMBOL
MIN.
TYP.
MAX. UNIT
note 1
at 0.5 V
at V₁₂ = 0.5 V
dD/dV₁₂
I₁₂
I₁₂
D_max
I₁₂
−
I₆/5.7
8
23.8
I₆/6
−
75
80
−
−2
−
%/V
I₆/6.3 mA
−
mA
85
%
−
mA
at 0.75 A
V_CC − V₁ = 15 V
V_CC−V₁
−I₁
−I₁
−
2
25
−
0
−
−
V
100
µA
0.75
A
V₁₆ − V₁₅ = 20 V
V₁₆ − V₁₅
V₁₆ − V₁₅
V₁₆ − V₁₅
I₁₆
dV_16−15/dt
I₁₆
I₁₆
note 1
R₆ = 5 kΩ
C₁₀ = 680 pF
V₁₀
V₁₀
I₁₀
f_o
f_o
df/dT
−
2
−
V
−
1.5
−
V
−
0.3
−
V
−
−
1
µA
−
0.2
−
V/ns
0
−
−
−
2.5
A
250
mA
−
−
I₆/5.7
10
27
5
1.4
I₆/6
−
28.5
−
100
−
−
I₆/6.3
100
30
−
V
V
mA
kHz
kHz
10^−6/K
November 1993
15