aoz1605 Alpha & Omega Semiconductor, aoz1605 Datasheet - Page 6

• Manufacturer Part Number: aoz1605
• Description: 500 Ma / 3 Mhz Ezbuck Regulator
• Manufacturer: Alpha & Omega Semiconductor

Typical Performance Characteristics
V
V
I
V
V
I
OUT
OUT
Rev. 1.0 March 2011
SW
OUT
Iload
SW
OUT
Vout
LX
1
V
V
IN
OUT
= 3.6V, V
Load Transient Response
Load Transient Response
= 1.8V (PFM Mode, 0.5mA to 50mA)
V
OUT
OUT
Load Transient
= 1.8V (PWM Mode)
= 1.8V
100μs/div
10
100μs/div
2mS/DIV
Output Current (mA)
Output Current (mA)
V
IN
= 3.6V, V
100
OUT
= 1.8V
2V/DIV
400mA
100mA
AC Coupled
40mV/Div
2V/div
50mV/div
AC Coupled
50mA
5mA
2V/div
50mV/div
AC Coupled
400mA
200mA
(Continued)
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1000
Iload
Vout
EN
LX
V
I
V
I
V
V
I
L
OUT
OUT
SW
OUT
SW
OUT
-25
V
Mode Change by Load Transients
OUT
V
OUT
-5
Load Transient Response
= 1.8V (PFM Mode, 0.5mA to 50mA)
(Output Current = 500mA)
= 1.8V (PFM to PWM Mode)
50µS/DIV
15
Start Up
100μs/div
100μs/div
Temperature (°C)
V
V
35
IN
IN
= 3.6V, V
= 3.6V, V
55
OUT
OUT
= 1.8V
= 1.8V
75
1V/DIV
5V/DIV
500mA/DIV
AOZ1605
3V/DIV
Page 6 of 15
2V/div
500mA/div
100mV/div
AC Coupled
300mA
5mA
2V/div
50mV/div
AC Coupled
50mA
5mA
95