Diodes AP3435 Manuel d'utilisateur télécharger pdf (Page 8)

Preliminary Datasheet

1.0MHz, 3.5A, Synchronous Step Down DC-DC Converter AP3435

Dec. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics (Continued)

Figure 12. Enable Threshold Voltage vs. Input Voltage Figure 13. Current Limit vs. Input Voltage

Figure 14. Case Temperature vs. Output Current Figure 15.

Enable Waveform

=5V, V

=0V to 5V, V

OUT

=3.3V, I

OUT

=3.5A)

2V/div

OUT

1V/div

2A/div

Time 400μs/div

2.5 3.0 3.5 4.0 4.5 5.0 5.5

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

EN Threshold Voltage (V)

Input Voltage (V)

H Level

L Level

2.5 3.0 3.5 4.0 4.5 5.0 5.5

3.2

3.4

3.6

3.8

4.0

4.2

4.4

4.6

Current Limit (A)

Input Voltage (V)

0.00.51.01.52.02.53.03.5

Case Temperature (

Output Current (A)

OUT

= 1.2V

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 16 17

1
Functional Block Diagram 3
Ordering Information 3
Application Information 12
NONDSPONDSSW 13
9. PCB Layout Considerations 14
Typical Application 15
3.202(0.126) 16
3.402(0.134) 16

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Diodes AP3435 Manuel d'utilisateur Page 8

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