AZ494APTR(2009) 查看數據表（PDF） - BCD Semiconductor

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AZ494APTR
(Rev.:2009)

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

BCD Semiconductor 

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

Parametr Measurement information (Continued)

+

Amplifier Under Test

VI

FEEDBACK

+

Vref

Other Amplifier

Figure 5. Error Amplifier Characteristics

Each Output

Circuit

20V

68Ω

4W

Output

CL = 15pF

(See Note A)

tf

90%

10%

Data Sheet

AZ494A/C

tr

90%

10%

Note A: CL includes probe and jig capacitance.

Figure 6. Common-Emitter Configuration

20V

Each Output

Circuit

CL = 15pF

(See Note A)

Output

68Ω

4W

90%

90%

10%

10%

tr

tf

Note A: CL includes probe and jig capacitance.

Figure 7. Emitter-Follower Configuration

Sep. 2009 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

8

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