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PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS052G – APRIL 1988 – REVISED JANUARY 2007
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
VALUE
V
CC
Supply voltage
(2)
Amplifier input voltage
Collector output voltage
Collector output current
D package
θ
JA
Package thermal impedance
(3) (4)
N package
NS package
PW package
T
J
T
stg
(1)
(2)
(3)
(4)
Operating virtual junction temperature
Storage temperature range
41
V
CC
+ 0.3
41
250
73
67
64
108
150
–65 to 150
°C
°C
°C/W
UNIT
V
V
V
mA
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating
conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltage values, except differential voltages, are with respect to the network ground terminal.
Maximum power dissipation is a function of T
J
(max),
θ
JA
, and T
A
. The maximum allowable power dissipation at any allowable ambient
temperature is P
D
= (T
J
(max) – T
A
)/θ
JA
. Operating at the absolute maximum T
J
of 150°C can affect reliability.
The package thermal impedance is calculated in accordance with JESD 51-7.
RECOMMENDED OPERATING CONDITIONS
MIN
V
CC
V
I
V
O
Supply voltage
Amplifier input voltage
Collector output voltage
Collector output current (each transistor)
Current into FEEDBACK terminal
C
T
R
T
f
osc
T
A
Timing capacitor
Timing resistor
Oscillator frequency
Operating free-air temperature
TL594C
TL594I
0.47
1.8
1
0
–40
7
–0.3
MAX
40
V
CC
– 2
40
200
0.3
10000
500
300
70
85
UNIT
V
V
V
mA
mA
nF
kΩ
kHz
°C
3
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