L4973D33 Просмотр технического описания (PDF) - STMicroelectronics

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производитель

L4973D33

3.5A STEP DOWN SWITCHING REGULATOR

STMicroelectronics 

L4973V3.3 - L4973V5.1 - L4973D3.3 - L4973D5.1

Figure 4: Stand by Drain Current vs. input

Voltage

Figure 5: Reference Voltage vs. Junction

Temperature (Pin 16)

Ibias

(µA)

D97IN635A

VREF

(V)

D97IN637

150

Vinh = 5V

100

25°C

125°C

50

0 10 20 30 40 50 VCC(V)

5.15

5.1

Pin 16

Vcc=35V

5.05

5.0

-40 -20 0 20 40 60 80 100 Tj(°C)

Figure 6: Reference Voltage vs. Input Voltage

(Pin 16)

VREF

(V)

D97IN636A

5.15

Tj=25°C

Pin 16

Figure 7: Reference Voltage vs. Reference Input

Current

VREF

(V)

D97IN638

5.2

Vcc=40V

5.1

5.1

Vcc=10V

5.05

5.0

Tj=25°C

5.0

0

10 20 30 40 50 VCC(V)

Figure 8: Inhibit Current vs. Inhibit Voltage

(Pin 10)

Iinh

(µA)

D97IN651

100

Vcc=35V

Pin 10

50

0

Tj=0°C

Tj=25°C

Tj=125°C

4.9

0

10 20 30 40 50 IREF(mA)

Figure 9: Line Regulation (see fig. 1)

VO

D97IN639A

(V)

5.12

5.1

Tj=125°C

Tj=25°C

5.08

IO = 1A

-50

0

8/16

5

10

15

Vinh(V)

5.06

0

10 20 30 40 50 VCC(V)

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