MC33023P datasheet(4/19 Pages) ONSEMI

No. de pieza	MC33023P

Descripción Electrónicos	High Speed Single-Ended PWM Controller

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MC34023 MC33023

4

MOTOROLA ANALOG IC DEVICE DATA

1.0 MHz

400 kHz

50 kHz

Gain

Phase

2

4

6

8

9

– 55

– 25

0

25

50

75

10 k

Figure 1. Timing Resistor versus

Oscillator Frequency

104

105

106

107

fosc, OSCILLATOR FREQUENCY (Hz)

Figure 2. Oscillator Frequency versus Temperature

TA, AMBIENT TEMPERATURE (°C)

Figure 3. Error Amp Open Loop Gain and

Phase versus Frequency

10

100

1.0 k

10 k

100 k

1.0 M

10 M

f, FREQUENCY (Hz)

Figure 4. PWM Comparator Zero Duty Cycle

Threshold Voltage versus Temperature

– 55

– 25

0

25

50

75

100

TA, AMBIENT TEMPERATURE (°C)

Figure 5. Error Amp Small Signal

Transient Response

Figure 6. Error Amp Large Signal

Transient Response

125

0

45

90

135

0.1

µs/DIV

0.1

µs/DIV

VCC = 15 V

TA = + 25°C

CT =

1. 100 nF

2. 47 nF

3. 22 nF

4. 10 nF

5. 4.7 nF

6. 2.2 nF

7. 1.0 nF

8. 470 pF

9. 220 pF

100

1000

100 k

1

3

5

7

100

125

VCC = 15 V

Pin 7(9) = 0 V

VCC = 15 V

RT = 3.6 k

CT = 1.0 nF

RT = 1.2 k

CT = 1.0 nF

RT = 36 k

CT = 1.0 nF

1200

1000

800

600

400

200

0

1.30

1.28

1.26

1.24

1.22

1.20

1.0 k

470

120

100

80

60

40

20

0

–20

2.55 V

2.5 V

2.45 V

3.0 V

2.5 V

2.0 V

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MC33023P Datasheet(PDF) 4 Page - ON Semiconductor

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Número de pieza similar - MC33023P

Descripción similar - MC33023P

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