TL494 데이터 시트보기 (PDF) - HTC Korea

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TL494

Pulse-Width-Modulation Control Circuits

HTC Korea 

Pulse-Width-Modulation Control Circuits

AMPLIFIER

UNDER TEST

+

-

FEEDBACK

TERMINAL

TL494

(EACH OUTPUT

CIRCUIT)

+

Vref

-

OTHER

AMPLIFIER

FIGURE 2. AMPLIFIER CHARACTERISTICS

15 V

68 Ω

2W

OUTPUT

CL=15pF

(Includes probe

and

jig capacitance)

tf

90%

10%

tr

90%

10%

TEST CIRCUIT

OUTPUT VOLTAGE WAVEFORM

FIGURE 3. COMMON-EMITTER CONFIGURATION

(EACH OUTPUT

CIRCUIT)

15 V

Mar. 2006-Rev06

90%

90%

CL=15pF

(Includes probe

and

jig capacitance)

68 Ω

2W

10%

tr

10%

tf

TEST CIRCUIT

OUTPUT VOLTAGE WAVEFORM

FIGURE 4. EMITTER-FOLLOWER CONFIGURATION

147

HTC

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