Diodes AUR9703 Manuel d'utilisateur télécharger pdf (Page 10)

Data Sheet

1.5MHz, 800mA, STEP DOWN DC-DC CONVERTER AUR9703

Nov. 2011 Rev. 1 .0 BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics (Continued)

Figure 20.Frequency vs. Input Voltage Figure 21.Temperature vs. Output Current

Figure 22. Current Limit vs. Input Voltage Figure 23. Start Up through EN

=5V, V

= 0 to 5V, V

OUT

=3.3V, I

OUT

=800mA)

2.5 3.0 3.5 4.0 4.5 5.0 5.5

1.2

1.3

1.4

1.5

1.6

1.7

1.8

OUT

=1.2V

OUT

=400mA

Frequency (MHz)

Input Voltage (V)

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

=5.0V

OUT

=1.0V

OUT

=3.3V

Temperature (

Output Current (A)

3.0 3.5 4.0 4.5 5.0 5.5

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

Current Limit (A)

Input Voltage (V)

OUT

=1.2V

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

1
Efficiency (%) 6
Output Current (A) 6
Output Voltage (V) 8
Input Voltage (V) 8
Low Level 9
High Level 9
(V 11
( V 12
(V 12
Application Information 15
NONDSPONDSSW 16
Typical Application 18
Table 1. Component Guide 18
GAUGE PLANE 19

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