TL594 Datasheet, PDF (2/12 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUIT

TL594
RECOMMENDED OPERATING CONDITIONS
Characteristics
Power Supply Voltage
Collector Output Voltage
Collector Output Current (Each transistor)
Amplified Input Voltage
Current Into Feedback Terminal
Reference Output Current
Timing Resistor
Timing Capacitor
Oscillator Frequency
PWM Input Voltage (Pins 3, 4, 13)
Symbol
VCC
VC1, VC2
IC1, IC2
Vin
lfb
lref
RT
CT
fosc
–
Min
7.0
–
–
0.3
–
–
1.8
0.0047
1.0
0.3
Typ
15
30
–
–
–
–
30
0.001
40
–
Max
Unit
40
V
40
V
200
mA
VCC – 2.0
V
0.3
mA
10
mA
500
kΩ
10
µF
200
kHz
5.3
V
ELECTRICAL CHARACTERISTICS (VCC = 15 V, CT = 0.01 µF, RT = 12 kΩ, unless otherwise noted.)
For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies, unless otherwise noted.
Characteristics
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Voltage
(IO = 1.0 mA, TA = 25°C)
(IO = 1.0 mA)
Line Regulation (VCC = 7.0 V to 40 V)
Load Regulation (IO = 1.0 mA to 10 mA)
Short Circuit Output Current (Vref = 0 V)
OUTPUT SECTION
Collector Off–State Current (VCC = 40 V, VCE = 40 V)
Emitter Off–State Current (VCC = 40 V, VC = 40 V, VE = 0 V)
Collector–Emitter Saturation Voltage (Note 2)
Common–Emitter (VE = 0 V, IC = 200 mA)
Emitter–Follower (VC = 15 V, IE = –200 mA)
Output Control Pin Current
Low State (VOC ≤ 0.4 V)
High State (VOC = Vref)
Output Voltage Rise Time
Common–Emitter (See Figure 13)
Emitter–Follower (See Figure 14)
Output Voltage Fall Time
Common–Emitter (See Figure 13)
Emitter–Follower (See Figure 14)
Vref
V
4.925
5.0
5.075
4.9
–
5.1
Regline
–
2.0
25
mV
Regload
–
2.0
15
mV
ISC
15
40
75
mA
IC(off)
–
IE(off)
–
VSAT(C)
–
VSAT(E)
–
IOCL
–
IOCH
–
tr
–
–
tf
–
–
2.0
100
µA
–
–100
µA
V
1.1
1.3
1.5
2.5
µA
0.1
–
2.0
20
ns
100
200
100
200
ns
40
100
40
100
ERROR AMPLIFIER SECTION
Input Offset Voltage (VO _{(Pin 3)} = 2.5 V)
VIO
–
2.0
10
Input Offset Current (VO _{(Pin 3)} = 2.5 V)
IIO
–
5.0
250
Input Bias Current (VO _{(Pin 3)} = 2.5 V)
Input Common Mode Voltage Range (VCC = 40 V, TA = 25°C)
IIB
VICR
–
–0.1
–1.0
0 to VCC–2.0
Inverting Input Voltage Range
VIR(INV)
–0.3 to VCC–2.0
Open Loop Voltage Gain (∆VO = 3.0 V, VO = 0.5 V to 3.5 V, RL = 2.0 kΩ)
AVOL
70
95
–
Unity–Gain Crossover Frequency (VO = 0.5 V to 3.5 V, RL = 2.0 kΩ)
Phase Margin at Unity–Gain (VO = 0.5 V to 3.5 V, RL = 2.0 kΩ)
fC
–
700
–
φm
–
65
–
Common Mode Rejection Ratio (VCC = 40 V)
CMRR
65
90
–
Power Supply Rejection Ratio (∆VCC = 33 V, VO = 2.5 V, RL = 2.0 kΩ)
PSRR
–
100
–
Output Sink Current (VO _{(Pin 3)} = 0.7 V)
IO–
0.3
0.7
–
Output Source Current (VO _{(Pin 3)} = 3.5 V)
IO+
–2.0
–4.0
–
NOTE: 2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
mV
nA
µA
V
V
dB
kHz
deg.
dB
dB
mA
mA
2
MOTOROLA ANALOG IC DEVICE DATA