TL1453CPWR Datasheet, PDF (2/8 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT

TL1453C
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS039A – FEBRUARY 1990 – REVISED DECEMBER 1990
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V_CC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 V
Amplifier input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 V
Collector output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 V
Collector output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 mA
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table
Operating free-air temperature range, T_A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 20°C to 85°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
NOTE 1: All voltage values are with respect to network ground terminal.
PACKAGE
N
NS
DISSIPATION RATING TABLE
TA ≤ 25°C
POWER RATING
1000 mW
DERATING FACTOR
ABOVE TA = 25°C
8 mW/°C
725 mW
5.8 mW/°C
TA = 85°C
POWER RATING
520 mW
397 mW
recommended operating conditions
Supply voltage, VCC
Amplifier input voltage, VI
Collector output voltage, VO
Collector output current
Current into feedback terminal
Feedback resistor, RF
Timing capacitor, CT
Timing resistor, RT
Oscillator frequency
Operating free-air temperature, TA
MIN MAX
3.6
40
1.05 1.45
50
20
45
100
150 15000
5.1 100
1 500
– 20
85
UNIT
V
V
V
mA
µA
kΩ
pF
kΩ
kHz
°C
electrical characteristics over recommended operating free-air temperature range, V_CC = 6 V,
f = 200 kHz (unless otherwise noted)
reference section
Output voltage (pin 16)
PARAMETER
Output voltage change with temperature
Input regulation
Output regulation
Short-circuit output current
† _{All typical values are at TA = 25°C.}
TEST CONDITIONS
IO = 1 mA
TA = – 20°C to 25°C
TA = 25°C to 85°C
VCC = 3.6 V to 40 V
IO = 0.1 mA to 1 mA
VO = 0
MIN TYP†
2.4
2.5
– 0.1%
– 0.2%
2
1
3
10
MAX
2.6
±1%
±1%
12.5
7.5
30
UNIT
V
mV
mV
mA
2
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