Diodes AP3433 Manuel d'utilisateur télécharger pdf (Page 8)

Preliminary Datasheet

3A, 2MHz High Performance Synchronous Buck Converter AP3433

Jul. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics (Continued)

Figure 8. Switching Frequency vs. Temperature Figure 9. Reference Voltage vs. Temperature

Figure 10. Switching Frequency vs. RT Resistance Figure 11. Switching Frequency vs. RT Resistance

Low Frequency Range High Frequency Range

-50 -25 0 25 50 75 100 125 150

900

910

920

930

940

950

960

970

980

990

1000

1010

1020

=180k

Switching Frequency (kHz)

Temperature (

-50 -25 0 25 50 75 100 125 150

0.816

0.818

0.820

0.822

0.824

0.826

0.828

0.830

0.832

0.834

Reference Voltage (V)

Temperature (°C)

300 400 500 600 700 800 900 1000

100

200

300

400

500

600

700

800

Switching Frequency (kHz)

RT Resistance (kΩ)

80 100 120 140 160 180 200

800

900

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

2000

Switching Frequency (kHz)

RT Resistance (kΩ)

1 2 3 4 5 6 7 8 9 10 11 12 13

Pin Configuration 2
Pin Description 2
3
Electrical Characteristics 5
=2.95 to 5.5V, T 6
Supply Current (µA) 7
Input Voltage (V) 7
Switching Frequency (kHz) 8
RT Resistance (kΩ) 8

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Diodes AP3433 Manuel d'utilisateur Page 8

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