Diodes AUR9705 Manuel d'utilisateur télécharger pdf (Page 7)

Data Sheet

1.5MHz, 1A, STEP DOWN DC-DC CONVERTER AUR9705

Sep. 2013 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics (Continued)

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

1.16

1.17

1.18

1.19

1.20

1.21

1.22

1.23

1.24

1.25

Output Current (A)

Output Voltage (V)

L=2.2μH

OUT

=10μF

2.5V

3.3V

4.2V

5.5V

Figure 8. Output Voltage vs. Output Current Figure 9. Output Ripple

OUT

=1.2±0.03V) (V

=5.0V, V

OUT

=3.3V, I

OUT

=1A)

Figure 10. Power Off through VIN Figure 11. Soft Start (Power Up through EN)

=5.0 to 0V, V

OUT

=3.3V, I

OUT

=1A) (V

=5.0V, V

OUT

=3.3V, I

OUT

=1A, V

=0 to 5.0V)

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

1
Pin Number 2
Pin Name Function 2
WDFN-2×2-6 TSOT-23-5 2
Functional Block Diagram 3
Ordering Information 3
Quiescent Current I 5
=0.7V 100 μA 5
Output Current (A) 6
Efficiency (%) 6
Application Information 9
5. Efficiency Considerations 10
6. Thermal Characteristics 10
QQfI +×= 10
Typical Application 11
Table 1. Component Guide 11

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