Data Sheet G12649EJ5V0DS00

7

μPC494

TEST CIRCUIT AND WAVEFORM CHARACTERISTICS

Figure1. Test Circuit

Test Input

12 k

Ω

50 k

Ω

0.01 F

(4)

C1

E1

C2

E2

Ref Out

Dead-Time

Control

Feed-Back

RT

CT

Non-Inv. Input

Inv. Input

Non-Inv. Input

Inv. Input

Output Control

VCC = 15 V

RL

150

Ω

2 W

RL

150

Ω

2 W

Output 1

Output 2

VCC

GND

Note

(3)

(6)

(5)

(1)

(2)

(16)

(15)

(13)

(7)

(14)

(12)

(8)

(9)

(11)

(10)

μ

Note Recommend film capacitor.

Caution When the emitter follower is output, connect C1 and C2 to VCC and E1 and E2 to GND via RL.

Figure2. Voltage Waveform

C1 Output Voltage

C2 Output Voltage

CT Voltage

sawtooth-wave

oscillation output

Dead-Time Control

Input Voltage

Feed-Back Input

(E.A. Output)

0.7 V

Threshold Voltage

0% MAX.

Threshold Voltage

0%

VCC

0 V

VCC

0 V

Connection of Output Control Pin (Pin 13)

Output Control Input (Pin 13)

Operation Mode

Ref Out

push-pull

GND

Single-ended operation (common-mode output of C1, C2)