TL494CN ON Semiconductor, TL494CN Datasheet - Page 3

• Manufacturer Part Number: TL494CN
• Description: IC PWM VM 16DIP
• Manufacturer: ON Semiconductor
• Series: SWITCHMODE™r

Specifications of TL494CN

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 200kHz
• Duty Cycle: 50%
• Voltage - Supply: 7 V ~ 40 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-DIP (0.300", 7.62mm)
• Frequency-max: 200kHz
• Topology: Boost, Buck, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull
• Output Voltage: 40 V
• Output Current: 200 mA
• Switching Frequency: 300 KHz
• Duty Cycle (max): 45 %
• Operating Supply Voltage: 15 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Fall Time: 40 ns
• Mounting Style: Through Hole
• Rise Time: 100 ns
• Synchronous Pin: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: TL494CNOS

ELECTRICAL CHARACTERISTICS
For typical values T
ERROR AMPLIFIER SECTION
PWM COMPARATOR SECTION (Test Circuit Figure 11)
DEADTIME CONTROL SECTION (Test Circuit Figure 11)
OSCILLATOR SECTION
UNDERVOLTAGE LOCKOUT SECTION
TOTAL DEVICE
* Standard deviation is a measure of the statistical distribution about the mean as derived from the formula, s
Input Offset Voltage (V
Input Offset Current (V
Input Bias Current (V
Input Common Mode Voltage Range (V
Open Loop Voltage Gain (DV
Unity−Gain Crossover Frequency (V
Phase Margin at Unity−Gain (V
Common Mode Rejection Ratio (V
Power Supply Rejection Ratio (DV
Output Sink Current (V
Output Source Current (V
Input Threshold Voltage (Zero Duty Cycle)
Input Sink Current (V
Input Bias Current (Pin 4) (V
Maximum Duty Cycle, Each Output, Push−Pull Mode
Input Threshold Voltage (Pin 4)
Frequency (C
Standard Deviation of Frequency* (C
Frequency Change with Voltage (V
Frequency Change with Temperature (DT
Turn−On Threshold (V
Standby Supply Current (Pin 6 at V
Average Supply Current
(V
(V
(Zero Duty Cycle)
(Maximum Duty Cycle)
(C
(V
(V
(C
(V
Pin 4
Pin 4
CC
CC
T
CC
T
= 0.01 mF, R
= 0.01 mF, R
= 15 V)
= 40 V)
= 15 V) (See Figure 12)
= 0 V, C
= 0 V, C
T
= 0.001 mF, R
T
T
A
T
T
= 0.01 mF, R
= 0.001 mF, R
= 25°C, for min/max values T
= 12 kW)
= 12 kW, V
O (Pin 3)
(Pin 3)
CC
O (Pin 3)
O (Pin 3)
O (Pin 3)
O (Pin 3)
increasing, I
= 0.7 V)
Pin 4
T
= 2.5 V)
O
Characteristics
= 30 kW)
= 2.5 V)
= 2.5 V)
= 0.7 V)
O
(Pin 4)
= 3.0 V, V
T
T
= 12 kW)
= 0.5 V to 3.5 V, R
= 0 V to 5.25 V)
= 3.5 V)
CC
CC
= 30 kW)
CC
ref
O
T
= 2.0 V)
, All other inputs and outputs open)
= 40 V)
= 33 V, V
ref
= 7.0 V to 40 V, T
= 0.5 V to 3.5 V, R
= 0.001 mF, R
CC
(V
= 1.0 mA)
O
A
CC
= 40 V, T
= 0.5 V to 3.5 V, R
= T
= 15 V, C
low
O
A
= 2.5 V, R
to T
is the operating ambient temperature range that applies, unless otherwise noted.
A
L
T
= 2.0 kW)
= 25°C)
= 30 kW)
high
T
A
TL494, NCV494
http://onsemi.com
= 0.01 mF, R
L
= 25°C)
)
= 2.0 kW)
L
= 2.0 kW)
L
= 2.0 kW)
3
T
= 12 kW, unless otherwise noted.)
Df
Df
Symbol
CMRR
DC
PSRR
I
osc
osc
IB (DT)
A
V
sf
V
V
I
f
I
f
f
I
V
V
I
I
VOL
osc
O−
O
I
CC
ICR
C−
IO
IB
TH
I−
osc
IO
m
max
th
th
+
(DV)
(DT)
Min
0.3
2.0
0.3
5.5
70
65
45
−
−
−
−
−
−
−
−
−
−
0
−
−
−
−
−
−
−
−0.3 to V
−0.1
−4.0
−2.0
6.43
Typ
350
100
2.0
5.0
0.7
2.5
0.7
2.8
3.0
0.1
5.5
7.0
7.0
95
65
90
48
45
40
−
−
CC
−2.0
N
S (X
n = 1
N − 1
n
Max
−1.0
250
−10
4.5
3.3
7.0
10
50
50
12
10
15
− X)
−
−
−
−
−
−
−
−
−
−
−
−
−
2
Unit
deg.
kHz
kHz
mV
mA
mA
mA
mA
mA
nA
dB
dB
dB
mA
mA
%
%
%
%
V
V
V
V