TL494_15 Datasheet, PDF (3/33 Pages) Unisonic Technologies – VOLTAGE MODE PWM CONTROL CIRCUIT

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TL494
SLVS074G – JANUARY 1983 – REVISED JANUARY 2015
6 Pin Configuration and Functions
D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
1IN+ 1
1IN− 2
FEEDBACK 3
DTC 4
CT 5
RT 6
GND ⁷
C1 ⁸
16 2IN+
15 2IN−
14 REF
13 OUTPUT CTRL
12 V_CC
11 C2
10 _E2
9 _E1
PIN
NAME
NO.
1IN+
1
1IN-
2
2IN+
16
2IN-
15
C1
8
C2
11
CT
5
DTC
4
E1
9
E2
10
FEEDBACK
3
GND
7
OUTPUT
CTRL
13
REF
14
RT
6
V_CC
12
TYPE
I
I
I
I
O
O
—
I
O
O
I
—
I
O
—
—
Pin Functions
DESCRIPTION
Noninverting input to error amplifier 1
Inverting input to error amplifier 1
Noninverting input to error amplifier 2
Inverting input to error amplifier 2
Collector terminal of BJT output 1
Collector terminal of BJT output 2
Capacitor terminal used to set oscillator frequency
Dead-time control comparator input
Emitter terminal of BJT output 1
Emitter terminal of BJT output 2
Input pin for feedback
Ground
Selects single-ended/parallel output or push-pull operation
5-V reference regulator output
Resistor terminal used to set oscillator frequency
Positive Supply
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