TL594
RECOMMENDED OPERATING CONDITIONS
Characteristics
Symbol
Min
Typ
Max
Unit
Power Supply Voltage
V
7.0
−
15
30
−
40
40
V
V
CC
Collector Output Voltage
Collector Output Current (Each transistor)
Amplified Input Voltage
V
I
, V
C1 C2
, I
C1 C2
−
200
mA
V
V
0.3
−
−
V
− 2.0
CC
in
Current Into Feedback Terminal
Reference Output Current
Timing Resistor
l
−
0.3
10
mA
mA
kW
mF
kHz
V
fb
l
−
−
ref
R
C
1.8
0.0047
1.0
0.3
30
0.001
40
−
500
10
T
Timing Capacitor
T
Oscillator Frequency
f
300
5.3
osc
PWM Input Voltage (Pins 3, 4, 13)
−
ELECTRICAL CHARACTERISTICS (V = 15 V, C = 0.01 mF, R = 12 kW, unless otherwise noted.)
CC
T
T
For typical values T = 25°C, for min/max values T is the operating ambient temperature range that applies, unless otherwise noted.
A
A
Characteristics
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Voltage
V
ref
V
(I = 1.0 mA, T = 25°C)
O
4.925
4.9
5.0
−
5.075
5.1
O
A
(I = 1.0 mA)
Line Regulation (V = 7.0 V to 40 V)
Reg
−
−
2.0
2.0
40
25
15
75
mV
mV
mA
CC
line
Load Regulation (I = 1.0 mA to 10 mA)
Reg
load
O
Short Circuit Output Current (V = 0 V)
I
15
ref
SC
OUTPUT SECTION
Collector Off−State Current (V = 40 V, V = 40 V)
I
I
−
−
2.0
−
100
mA
mA
V
CC
CE
C(off)
Emitter Off−State Current (V = 40 V, V = 40 V, V = 0 V)
−100
CC
C
E
E(off)
Collector−Emitter Saturation Voltage (Note 1)
Common−Emitter (V = 0 V, I = 200 mA)
V
SAT(C)
V
SAT(E)
−
−
1.1
1.5
1.3
2.5
E
C
Emitter−Follower (V = 15 V, I = −200 mA)
C
E
Output Control Pin Current
mA
ns
ns
Low State (V
High State (V
≤ 0.4 V)
I
−
−
0.1
2.0
−
20
OC
OCL
= V
)
I
OCH
OC
ref
Output Voltage Rise Time
Common−Emitter (See Figure 13)
Emitter−Follower (See Figure 14)
t
r
−
−
100
100
200
200
Output Voltage Fall Time
t
f
Common−Emitter (See Figure 13)
Emitter−Follower (See Figure 14)
−
−
40
40
100
100
ERROR AMPLIFIER SECTION
Input Offset Voltage (V
Input Offset Current (V
= 2.5 V)
= 2.5 V)
V
−
−
−
2.0
5.0
10
mV
nA
mA
V
O (Pin 3)
O (Pin 3)
IO
I
250
−1.0
IO
Input Bias Current (V
= 2.5 V)
I
−0.1
O (Pin 3)
IB
Input Common Mode Voltage Range (V = 40 V, T = 25°C)
V
0 to V −2.0
CC
A
ICR
CC
Inverting Input Voltage Range
Open Loop Voltage Gain (DV = 3.0 V, V = 0.5 V to 3.5 V, R = 2.0 kW)
V
−0.3 to V −2.0
V
IR(INV)
CC
A
VOL
70
−
95
700
65
−
−
−
−
−
−
−
dB
kHz
deg.
dB
dB
mA
mA
O
O
L
Unity−Gain Crossover Frequency (V = 0.5 V to 3.5 V, R = 2.0 kW)
f
C
O
L
Phase Margin at Unity−Gain (V = 0.5 V to 3.5 V, R = 2.0 kW)
φm
−
O
L
Common Mode Rejection Ratio (V = 40 V)
CMRR
PSRR
65
−
90
CC
Power Supply Rejection Ratio (DV = 33 V, V = 2.5 V, R = 2.0 kW)
100
0.7
−4.0
CC
O
L
Output Sink Current (V
= 0.7 V)
I −
O
0.3
−2.0
O (Pin 3)
Output Source Current (V
= 3.5 V)
I +
O
O (Pin 3)
1. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
http://onsemi.com
2
ONSEMI [ ONSEMI ]
