MC33166D2T(2002) Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

MC33166D2T
(Rev.:2002)

3.0 A, Step−Up/Down/Inverting Switching Regulators

ON Semiconductor 

MC34166, MC33166

0

VCC

-Ă0.5

TA = +25°C

-1.0

-1.5

-Ă2.0

-Ă2.5

-Ă3.0

0

1.0

2.0

3.0

4.0

5.0

ISource, SWITCH OUTPUT SOURCE CURRENT (A)

Figure 8. Switch Output Source Saturation

versus Source Current

0

-Ă0.2 VCC = 12 V

Pin 5 = 2.0 V

-Ă0.4

Pins 1, 3 = Gnd

Pin 2 Driven Negative

-Ă0.6

Gnd

Isw = 100 µA

-Ă0.8

Isw = 10 mA

-1.0

-1.2

-Ă55

-Ă25

0

25

50

75 100 125

TA, AMBIENT TEMPERATURE (°C)

Figure 9. Negative Switch Output Voltage

versus Temperature

4.7

VCC = 12 V

Pins 1, 2, 3 = Gnd

4.5

4.3

4.1

3.9

-Ă55 -Ă25

0

25

50

75 100 125

TA, AMBIENT TEMPERATURE (°C)

Figure 10. Switch Output Current Limit

Threshold versus Temperature

160

Pin 4 = VCC

Pins 1, 3, 5 = Gnd

120

Pin 2 Open

TA = +25°C

80

40

0

0

10

20

30

40

VCC, SUPPLY VOLTAGE (V)

Figure 11. Standby Supply Current

versus Supply Voltage

6.5

6.0

Startup Threshold

VCC Increasing

5.5

Turn-Off Threshold

5.0

VCC Decreasing

4.5

4.0

-Ă55

-Ă25

0

25

50

75 100 125

TA, AMBIENT TEMPERATURE (°C)

Figure 12. Undervoltage Lockout

Threshold versus Temperature

40

30

20

Pin 4 = VCC

10

Pins 1, 3 = Gnd

Pins 2, 5 Open

TA = +25°C

0

0

10

20

30

40

VCC, SUPPLY VOLTAGE (V)

Figure 13. Operating Supply Current

versus Supply Voltage

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