aoz1092d Alpha & Omega Semiconductor, aoz1092d Datasheet - Page 6

• Manufacturer Part Number: aoz1092d
• Description: Ezbucktm 3a Simple Buck Regulator
• Manufacturer: Alpha & Omega Semiconductor

Typical Performance Characteristics
Circuit of Figure 1. T
Efficiency
Thermal Derating Curves
Thermal derating curves for 4x5 DFN-8 package part under typical line and output voltage condition based on
EVAL board. Circuit of Figure 1. 25°C ambient temperature and natural convection (air speed <50LFM) unless
otherwise specified.
Rev. 1.3 February 2009
3.5
3.0
2.5
2.0
1.5
1.0
25
A
Short Circuit Protection
= 25°C, V
35
Derating Curve at 5V/6V Input
Ambient Temperature (T
100μs/div
45
IN
= V
100
95
90
85
80
75
EN
55
0
= 12V, V
5.0V OUTPUT
65
Efficiency (V
0.5
1.8V
OUTPUT
OUT
A
)
(Continued)
3.3V
OUTPUT
75
= 3.3V unless otherwise specified.
Vo
2V/div
IL
2A/div
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1.0
Load Current (A)
IN
85
= 12V) vs. Load Current
1.5
3.5
3.0
2.5
2.0
1.5
1.0
25
2.0
Short Circuit Recovery
3.3V OUTPUT
8.0V OUTPUT
5.0V OUTPUT
35
2.5
Derating Curve at 12 Input
Ambient Temperature (T
8.0V OUTPUT
1ms/div
45
3.0
1.8V OUTPUT
55
3.3V
OUTPUT 5.0V
65
OUTPUT
A
)
AOZ1092D
75
Vo
2V/div
IL
2A/div
Page 6 of 16
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