ONSEMI TL594CD

Order this document by TL594/D
The TL594 is a fixed frequency, pulse width modulation control circuit
designed primarily for Switchmode power supply control.
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PRECISION SWITCHMODE
PULSE WIDTH MODULATION
CONTROL CIRCUIT
SEMICONDUCTOR
TECHNICAL DATA
Complete Pulse Width Modulation Control Circuitry
On–Chip Oscillator with Master or Slave Operation
On–Chip Error Amplifiers
On–Chip 5.0 V Reference, 1.5% Accuracy
Adjustable Deadtime Control
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
Uncommitted Output Transistors Rated to 500 mA Source or Sink
Output Control for Push–Pull or Single–Ended Operation
Undervoltage Lockout
N SUFFIX
PLASTIC PACKAGE
CASE 648
PIN CONNECTIONS
Noninv
Input 1
Inv
Input 2
MAXIMUM RATINGS (Full operating ambient temperature range applies,
unless otherwise noted.)
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC
42
V
Collector Output Voltage
VC1,
VC2
42
V
Collector Output Current
(each transistor) (Note 1)
IC1, IC2
500
mA
Amplifier Input Voltage Range
VIR
–0.3 to +42
V
Power Dissipation @ TA ≤ 45°C
PD
1000
mW
RθJA
80
°C/W
TJ
125
°C
Tstg
–55 to +125
°C
Thermal Resistance,
Junction–to–Ambient
Operating Junction Temperature
Storage Temperature Range
Operating Ambient Temperature Range
TL594ID, CN
TL594CD, IN
TA
Derating Ambient Temperature
TA
5.0 V
REF
≈ 0.1 V
°C
45
Inv
15 Input
14 Vref
12 VCC
Oscillator
11 C2
Q2
Ground 7
C1 8
10 E2
Q1
9 E1
(Top View)
ORDERING INFORMATION
Device
TL594CD
°C
Noninv
16 Input
Output
13 Control
CT 5
TL594CN
TL594IN
Operating
Temperature Range
TA = 0° to +70°C
TA = – 25° to +85°C
 Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
+
2 Error
Amp
–
VCC
RT 6
0 to +70
–25 to +85
NOTES: 1. Maximum thermal limits must be observed.
Compen/PWN
Comp Input 3
Deadtime
Control 4
+
Error 1
Amp
–
Package
SO–16
Plastic
Plastic
Rev 0
1
TL594
RECOMMENDED OPERATING CONDITIONS
Characteristics
Power Supply Voltage
Collector Output Voltage
Collector Output Current (Each transistor)
Amplified Input Voltage
Current Into Feedback Terminal
Symbol
Min
Typ
Max
Unit
VCC
VC1, VC2
7.0
15
40
V
–
30
40
V
IC1, IC2
Vin
–
–
200
mA
0.3
–
V
–
–
VCC – 2.0
0.3
mA
–
–
10
mA
kΩ
Timing Resistor
lfb
lref
RT
1.8
30
500
Timing Capacitor
CT
0.0047
0.001
10
µF
Oscillator Frequency
fosc
–
1.0
40
200
kHz
0.3
–
5.3
V
Reference Output Current
PWM Input Voltage (Pins 3, 4, 13)
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
4.925
4.9
5.0
–
5.075
5.1
–
2.0
25
mV
Load Regulation (IO = 1.0 mA to 10 mA)
Regline
Regload
–
2.0
15
mV
Short Circuit Output Current (Vref = 0 V)
ISC
15
40
75
mA
IC(off)
IE(off)
–
2.0
100
µA
–
–
–100
µA
VSAT(C)
VSAT(E)
–
–
1.1
1.5
1.3
2.5
IOCL
IOCH
tr
–
–
0.1
2.0
–
20
–
–
100
100
200
200
–
–
40
40
100
100
VIO
IIO
–
2.0
10
–
5.0
250
nA
IIB
VICR
–
–0.1
–1.0
µA
REFERENCE SECTION
Reference Voltage
(IO = 1.0 mA, TA = 25°C)
(IO = 1.0 mA)
Line Regulation (VCC = 7.0 V to 40 V)
Vref
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)
V
µA
ns
tf
ns
ERROR AMPLIFIER SECTION
Input Offset Voltage (VO (Pin 3) = 2.5 V)
Input Offset Current (VO (Pin 3) = 2.5 V)
Input Bias Current (VO (Pin 3) = 2.5 V)
Input Common Mode Voltage Range (VCC = 40 V, TA = 25°C)
Inverting Input Voltage Range
Open Loop Voltage Gain (∆VO = 3.0 V, VO = 0.5 V to 3.5 V, RL = 2.0 kΩ)
VIR(INV)
AVOL
0 to VCC–2.0
mV
V
–0.3 to VCC–2.0
V
70
95
–
fC
φm
–
700
–
kHz
–
65
–
deg.
Common Mode Rejection Ratio (VCC = 40 V)
CMRR
65
90
–
dB
Power Supply Rejection Ratio (∆VCC = 33 V, VO = 2.5 V, RL = 2.0 kΩ)
PSRR
–
100
–
dB
IO–
IO+
0.3
0.7
–
mA
–2.0
–4.0
–
mA
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)
Output Sink Current (VO (Pin 3) = 0.7 V)
Output Source Current (VO (Pin 3) = 3.5 V)
dB
NOTE: 2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
2
MOTOROLA ANALOG IC DEVICE DATA
TL594
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
VTH
–
3.6
4.5
V
II–
0.3
0.7
–
mA
Input Bias Current (Pin 4) (VPin 4 = 0 V to 5.25 V)
IIB (DT)
–
–2.0
–10
µA
Maximum Duty Cycle, Each Output, Push–Pull Mode
(VPin 4 = 0 V, CT = 0.01 µF, RT = 12 kΩ)
(VPin 4 = 0 V, CT = 0.001 µF, RT = 30 kΩ)
DCmax
45
–
48
45
50
–
–
0
2.8
–
3.3
–
–
9.2
9.0
40
10
–
–
10.8
12
σfosc
–
1.5
–
%
Frequency Change with Voltage (VCC = 7.0 V to 40 V, TA = 25°C)
∆fosc (∆V)
–
0.2
1.0
%
Frequency Change with Temperature
(∆TA = Tlow to Thigh, CT = 0.01 µF, RT = 12 kΩ)
∆fosc (∆T)
–
4.0
–
%
4.0
3.5
5.2
–
6.0
6.5
100
50
150
150
300
300
–
–
8.0
8.0
15
18
–
11
–
PWM COMPARATOR SECTION (Test Circuit Figure 11)
Input Threshold Voltage (Zero Duty Cycle)
Input Sink Current (VPin 3 = 0.7 V)
DEADTIME CONTROL SECTION (Test Circuit Figure 11)
Input Threshold Voltage (Pin 4)
(Zero Duty Cycle)
(Maximum Duty Cycle)
VTH
%
V
OSCILLATOR SECTION
Frequency
(CT = 0.001 µF, RT = 30 kΩ)
(CT = 0.01 µF, RT = 12 kΩ, TA = 25°C)
(CT = 0.01 µF, RT = 12 kΩ, TA = Tlow to Thigh)
Standard Deviation of Frequency* (CT = 0.001 µF, RT = 30 kΩ)
fosc
kHz
UNDERVOLTAGE LOCKOUT SECTION
Turn–On Threshold (VCC Increasing, Iref = 1.0 mA)
TA = 25°C
TA = Tlow to Thigh
Vth
Hysteresis
TL594C,I
TL594M
VH
V
mV
TOTAL DEVICE
Standby Supply Current (Pin 6 at Vref, All other inputs and outputs open)
(VCC = 15 V)
(VCC = 40 V)
ICC
Average Supply Current (VPin 4 = 2.0 V, CT = 0.01 µF, RT = 12 kΩ,
VCC = 15 V, See Figure 11)
* Standard deviation is a measure of the statistical distribution about the mean as derived from the formula, σ
MOTOROLA ANALOG IC DEVICE DATA
mA
mA
N
Σ (Xn – X)2
n=1
N–1
3
TL594
Figure 1. Representative Block Diagram
VCC
Output Control
13
8
6
D
Oscillator
RT
CT
5
–
≈ 0.12V
Q
Q1
Q
Q2 11
Deadtime
Comparator
Ck
+
4
Deadtime
Control
9
Flip–
Flop
10
≈ 0.7V
–
+
1
2
–
1
2
Error Amp
1
+
PWM
Comparator
0.7mA
12
–
+
3
UV
Lockout
+
–
3.5V
15
Feedback PWM
Comparator Input
Reference
Regulator
–
+
VCC
4.9V
16
14
Error Amp
2
Ref.
Output
7
Gnd
This device contains 46 active transistors.
Figure 2. Timing Diagram
Capacitor CT
Feedback/PWM Comp.
Deadtime Control
Flip–Flop
Clock Input
Flip–Flop
Q
Flip–Flop
Q
Output Q1
Emitter
Output Q2
Emitter
Output
Control
4
MOTOROLA ANALOG IC DEVICE DATA
TL594
APPLICATIONS INFORMATION
Description
The TL594 is a fixed–frequency pulse width modulation
control circuit, incorporating the primary building blocks
required for the control of a switching power supply. (See
Figure 1.) An internal–linear sawtooth oscillator is frequency–
programmable by two external components, RT and CT. The
approximate oscillator frequency is determined by:
1.1
RT • CT
For more information refer to Figure 3.
Output pulse width modulation is accomplished by
comparison of the positive sawtooth waveform across
capacitor CT to either of two control signals. The NOR gates,
which drive output transistors Q1 and Q2, are enabled only
when the flip–flop clock–input line is in its low state. This
happens only during that portion of time when the sawtooth
voltage is greater than the control signals. Therefore, an
increase in control–signal amplitude causes a corresponding
linear decrease of output pulse width. (Refer to the Timing
Diagram shown in Figure 2.)
The control signals are external inputs that can be fed into
the deadtime control, the error amplifier inputs, or the
feedback input. The deadtime control comparator has an
effective 120 mV input offset which limits the minimum output
deadtime to approximately the first 4% of the sawtooth–cycle
time. This would result in a maximum duty cycle on a given
output of 96% with the output control grounded, and 48% with
it connected to the reference line. Additional deadtime may
be imposed on the output by setting the deadtime–control
input to a fixed voltage, ranging between 0 V to 3.3 V.
The pulse width modulator comparator provides a means
for the error amplifiers to adjust the output pulse width from
the maximum percent on–time, established by the deadtime
control input, down to zero, as the voltage at the feedback pin
varies from 0.5 V to 3.5 V. Both error amplifiers have a
Output Function
Grounded
Single–ended PWM @ Q1 and Q2
1.0
Push–pull Operation
0.5
@ Vref
common–mode input range from –0.3 V to (VCC – 2 V), and
may be used to sense power–supply output voltage and
current. The error–amplifier outputs are active high and are
ORed together at the noninverting input of the pulse–width
modulator comparator. With this configuration, the amplifier
that demands minimum output on time, dominates control of
the loop.
When capacitor CT is discharged, a positive pulse is
generated on the output of the deadtime comparator, which
clocks the pulse–steering flip–flop and inhibits the output
transistors, Q1 and Q2. With the output–control connected to
the reference line, the pulse–steering flip–flop directs the
modulated pulses to each of the two output transistors
alternately for push–pull operation. The output frequency is
equal to half that of the oscillator. Output drive can also be
taken from Q1 or Q2, when single–ended operation with a
maximum on–time of less than 50% is required. This is
desirable when the output transformer has a ringback
winding with a catch diode used for snubbing. When higher
output–drive currents are required for single–ended
operation, Q1 and Q2 may be connected in parallel, and the
output–mode pin must be tied to ground to disable the
flip–flop. The output frequency will now be equal to that of the
oscillator.
The TL594 has an internal 5.0 V reference capable of
sourcing up to 10 mA of load current for external bias circuits.
The reference has an internal accuracy of ±1.5% with a
typical thermal drift of less than 50 mV over an operating
temperature range of 0° to 70°C.
f OSC, OSCILLATOR FREQUENCY (Hz)
100 k
10 k
1.0 k
500
1.0 k 2.0 k 5.0 k
CT = 0.001 µF
VCC = 15 V
0.01 µF
0.1 µF
10 k 20 k 50 k
100 k 200 k
RT, TIMING RESISTANCE (Ω)
MOTOROLA ANALOG IC DEVICE DATA
500 k 1.0 M
Figure 4. Open Loop Voltage Gain and
Phase versus Frequency
A VOL, OPEN LOOP VOLTAGE GAIN (dB)
Figure 3. Oscillator Frequency versus
Timing Resistance
500 k
fout
fosc =
Input/Output
Controls
120
110
100
90
80
70
60
50
40
30
20
10
0
1.0
VCC = 15 V
∆VO = 3.0 V
RL = 2.0 kΩ
AVOL
10
100
1.0 k
10 k
f, FREQUENCY (Hz)
100 k
0
20
40
60
80
φ
100
120
140
160
180
1.0 M
φ , EXCESS PHASE (DEGREES)
fosc ≈
Functional Table
5
% DT, PERCENT DEADTIME (EACH OUTPUT)
Figure 5. Percent Deadtime versus
Oscillator Frequency
20
18
16
CT = 0.001 µF
14
12
10
8.0
6.0
0.01 µF
4.0
2.0
0
500 k
1.0 k
10 k
100 k
500 k
% DC, PERCENT DUTY CYCLE (EACH OUTPUT)
TL594
VCC = 15 V
VOC = Vref
1. CT = 0.01 µF
1. RT = 10 kΩ
2. CT = 0.001 µF
1. RT = 30 kΩ
2
30
20
10
0
0
1.0
2.0
3.0
Figure 7. Emitter–Follower Configuration
Output Saturation Voltage versus
Emitter Current
Figure 8. Common–Emitter Configuration
Output Saturation Voltage versus
Collector Current
3.5
2.0
V CE(sat) , SATURATION VOLTAGE (V)
V CE(sat) , SATURATION VOLTAGE (V)
1
40
VDT, DEADTIME CONTROL VOLTAGE (IV)
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
1.1
0
100
200
300
100
200
300
400
IC, COLLECTOR CURRENT (mA)
Figure 9. Standby Supply Current
versus Supply Voltage
Figure 10. Undervoltage Lockout Thresholds
versus Reference Load Current
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
5.0
10
15
20
25
30
VCC, SUPPLY VOLTAGE (V)
35
40
V TH , UNDERVOLTAGE LOCKOUT THRESHOLD (V)
IE, EMITTER CURRENT (mA)
9.8
0
0
400
10
I CC , SUPPLY CURRENT (mA)
50
fosc, OSCILLATOR FREQUENCY (Hz)
1.9
6
Figure 6. Percent Duty Cycle versus
Deadtime Control Voltage
6.0
Turn On
5.5
Turn Off
5.0
4.5
4.0
0
5.0
10
15
20
25
30
35
40
IL, REFERENCE LOAD CURERNT (mA)
MOTOROLA ANALOG IC DEVICE DATA
TL594
Figure 11. Error–Amplifier Characteristics
Figure 12. Deadtime and Feedback Control Circuit
VCC = 15V
Error Amplifier
Under Test
+
Vin
–
Feedback
Terminal
(Pin 3)
VCC
Deadtime
Test
Inputs
Feedback
RT
CT
(+)
(–)
Error
(+)
(–)
Output
Control
Gnd
+
–
Vref
Other Error
Amplifier
50k
Figure 13. Common–Emitter Configuration
Test Circuit and Waveform
150
2W
150
2W
C1
E1
Output 1
C2
E2
Output 2
Ref
Out
Figure 14. Emitter–Follower Configuration
Test Circuit and Waveform
15V
15V
RL
68
VC
C
Each
Output
Transistor
C
Each
Output
Transistor
CL
15pF
Q
Q
VEE
E
RL
68
E
90%
VEE
90%
90%
90%
CL
15pF
VCC
10%
10%
tr
tf
MOTOROLA ANALOG IC DEVICE DATA
Gnd
10%
10%
tr
tf
7
TL594
Figure 15. Error–Amplifier Sensing Techniques
Vref
VO
To Output
Voltage of
System
Error
Amp
3
1
Vref
+
–
R2
–
2
Error
Amp
3
VO = Vref
Positive Output Voltage
VO = Vref
1+
R1
Negative Output Voltage
2
R2
1
+
R1
R1
R2
VO
To Output
Voltage of
System
R1
R2
Figure 16. Deadtime Control Circuit
Figure 17. Soft–Start Circuit
Output
Control
R1
Vref
Output
Q
DT
RT
4
Q
CT
5
6
CS
Vref
Output
4
DT
R2
RS
0.001
30k
Max. % on Time, each output ≈ 45 –
80
1 +
R1
R2
Figure 18. Output Connections for Single–Ended and Push–Pull Configurations
C1
C1
QC
Q1
2.4 V ≤ VOC ≤ Vref
Q1
E1
Output
Control
1.0 mA to
500 mA
Single–Ended
8
Q2
E2
1.0 mA to 250 mA
Output
Control
Push–Pull
C2
C2
0 ≤ VOC ≤ 0.4 V
E1
Q2
QE
E2
1.0 mA to 250 mA
MOTOROLA ANALOG IC DEVICE DATA
TL594
Figure 19. Slaving Two or More Control Circuits
Figure 20. Operation with Vin > 40 V Using
External Zener
Vref
VCC
RS
6
5
RT
12
Vin > 40V
RT
1N975A
Master
VZ = 39V
CT
CT
5.0V
Ref
270
Vref
Gnd
7
6
RT
5
Slave
(Additional
Circuits)
CT
Figure 21. Pulse Width Modulated Push–Pull Converter
+Vin = 8.0V to 20V
12
1
2
1.0M
33k
0.01 0.01
3
15
16
47
VCC
+
C1
–
Tip
32
TL594
Comp
–
C2
+
8
T1
OC VREF DT CT RT Gnd E1 E2
14
4
5
6
7
9 10
+
11
Tip
32
10
10k
22
k
L1
+
+
50
25V
47
50
35V
4.7k
+
50
35V
1.0
1N4934
13
4.7k
4.7k
+VO = 28V
IO = 0.2A
1N4934
240
15k
0.001
All capacitors in µF
Test
Conditions
Results
Line Regulation
Vin = 10 V to 40 V
14 mV 0.28%
Load Regulation
Vin = 28 V, IO = 1.0 mA to 1.0 A
3.0 mV 0.06%
Output Ripple
Vin = 28 V, IO = 1.0 A
65 mVpp P.A.R.D.
Short Circuit Current
Vin = 28 V, RL = 0.1 Ω
1.6 A
Efficiency
Vin = 28 V, IO = 1.0 A
71%
MOTOROLA ANALOG IC DEVICE DATA
L1 – 3.5 mH @ 0.3 A
T1 – Primary: 20T C.T. #28 AWG
T1 – Secondary: 12OT C.T. #36 AWG
T1 – Core: Ferroxcube 1408P–L00–3CB
9
TL594
Figure 22. Pulse Width Modulated Step–Down Converter
1.0mH @ 2.0A
+Vin = 10V to 40V
+VO = 5.0V
Tip 32A
IO = 1.0A
47
150
12
8
VCC
50
50V
47k
0.1
11
C1
C2
+
TL594
CT
RT
5
6
13
7
9
E2
3
–
2
+
1
Vref
D.T. O.C. Gnd E1
4
Comp
1.0M
5.1k
5.1k
14
– 15
16
+
MR850
5.1k
500
10V
+
+
10
50
10V
150
0.001
47k
0.1
Test
10
Conditions
Results
Line Regulation
Vin = 8.0 V to 40 V
3.0 mV
0.01%
Load Regulation
Vin = 12.6 V, IO = 0.2 mA to 200 mA
5.0 mV
0.02%
Output Ripple
Vin = 12.6 V, IO = 200 mA
Short Circuit Current
Vin = 12.6 V, RL = 0.1 Ω
Efficiency
Vin = 12.6 V, IO = 200 mA
40 mVpp
P.A.R.D.
250 mA
72%
MOTOROLA ANALOG IC DEVICE DATA
TL594
OUTLINE DIMENSIONS
D SUFFIX
PLASTIC PACKAGE
CASE 751B–05
(SO–16)
ISSUE J
–A–
16
9
1
8
–B–
P
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
8 PL
0.25 (0.010)
M
B
S
G
R
K
F
X 45 _
C
–T–
SEATING
PLANE
J
M
D
16 PL
0.25 (0.010)
M
T B
A
S
S
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
ISSUE R
–A–
16
9
1
8
C
L
S
–T–
SEATING
PLANE
K
H
G
D
J
16 PL
0.25 (0.010)
MOTOROLA ANALOG IC DEVICE DATA
M
T A
M
MILLIMETERS
MIN
MAX
9.80
10.00
3.80
4.00
1.35
1.75
0.35
0.49
0.40
1.25
1.27 BSC
0.19
0.25
0.10
0.25
0_
7_
5.80
6.20
0.25
0.50
INCHES
MIN
MAX
0.386
0.393
0.150
0.157
0.054
0.068
0.014
0.019
0.016
0.049
0.050 BSC
0.008
0.009
0.004
0.009
0_
7_
0.229
0.244
0.010
0.019
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
B
F
DIM
A
B
C
D
F
G
J
K
M
P
R
M
DIM
A
B
C
D
F
G
H
J
K
L
M
S
INCHES
MIN
MAX
0.740
0.770
0.250
0.270
0.145
0.175
0.015
0.021
0.040
0.70
0.100 BSC
0.050 BSC
0.008
0.015
0.110
0.130
0.295
0.305
0_
10 _
0.020
0.040
MILLIMETERS
MIN
MAX
18.80
19.55
6.35
6.85
3.69
4.44
0.39
0.53
1.02
1.77
2.54 BSC
1.27 BSC
0.21
0.38
2.80
3.30
7.50
7.74
0_
10 _
0.51
1.01
11
TL594
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
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12
◊
*TL594/D*
MOTOROLA ANALOG IC DEVICE
DATA
TL594/D