aoz1020 Alpha & Omega Semiconductor, aoz1020 Datasheet - Page 3

• Manufacturer Part Number: aoz1020
• Description: Synchronous Buck Regulator
• Manufacturer: Alpha & Omega Semiconductor

Block Diagram
Absolute Maximum Ratings
Exceeding the Absolute Maximum Ratings may damage the device.
Note:
1. Devices are inherently ESD sensitive, handling precautions are
Supply Voltage (V
LX to AGND
EN to AGND
FB to AGND
COMP to AGND
PGND to AGND
PGOOD to AGND
Junction Temperature (T
Storage Temperature (T
ESD Ratingl
required. Human body model rating: 1.5k
Rev. 1.0 March 2008
PGOOD
COMP
EN
FB
(1)
Parameter
0.8V
IN
Reference
)
0.96V
& Bias
0.2V
S
J
)
)
+
–
+
–
& POR
UVLO
+
–
EAmp
Comparator
Frequency
Foldback
Softstart
in series with 100pF.
Regulator
5V LDO
-0.7V to V
-0.3V to V
-65°C to +150°C
Rating
-0.3V to 0.3V
-0.3V to 6.0V
-0.3V to 6V
-0.3V to 6V
500kHz/38kHz
Oscillator
+
–
+
IN
IN
+150°C
Comp
www.aosmd.com
Internal
PWM
+0.3V
+0.3V
2.0kV
+5V
18V
Recommend Operating Ratings
The device is not guaranteed to operate beyond the Maximum
Operating Ratings.
Note:
2. The value of
Supply Voltage (V
Output Voltage Range
Ambient Temperature (T
Package Thermal Resistance SO-8
(
Control
FR-4 board with 2oz. Copper, in a still air environment with T
The value in any given application depends on the user's specific
board design.
ILimit
PWM
Logic
JA
OTP
)
(2
)
AGND
Shifter
Parameter
JA
Driver
Level
FET
+
is measured with the device mounted on 1-in
IN
)
ISen
A
)
+
–
Q2
Q1
PGND
VIN
-40°C to +85°C
AOZ1020
Rating
Page 3 of 15
4.5V to 16V
0.8V to V
LX
A
87°C/W
= 25°C.
2
IN