aoz1024d Alpha & Omega Semiconductor, aoz1024d Datasheet - Page 3

• Manufacturer Part Number: aoz1024d
• Description: 4a 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 Rating
required. Human body model rating: 1.5k
Rev. 1.1 November 2007
COMP
Parameter
EN
FB
(1)
0.8V
IN
Reference
)
& Bias
0.2V
S
J
)
)
& POR
UVLO
+
–
+
–
EAmp
18V
-0.7V to V
-0.3V to V
-0.3V to 6V
-0.3V to 6V
-0.3V to +0.3V
-0.3V to 6V
+150°C
-65°C to +150°C
2.0kV
Softstart
Comparator
Frequency
Foldback
in series with 100pF.
Regulator
5V LDO
IN
IN
Rating
+0.3V
+0.3V
500kHz/68kHz
Oscillator
+
+
–
Internal
Comp
PWM
www.aosmd.com
+5V
Recommend Operating Ratings
The device is not guaranteed to operate beyond the Maximum
Operating Ratings.
Note:
2. The value of
Control
PWM
ILimit
Logic
Supply Voltage (V
Output Voltage Range
Ambient Temperature (T
Package Thermal Resistance DFN-8
(
board with 2oz. Copper, in a still air environment with T
value in any given application depends on the user's specific board
design.
OTP
JA
AGND
)
(2
)
Shifter
Driver
Level
FET
JA
+
Parameter
is measured with the device mounted on 1-in
IN
)
ISen
+
–
A
)
Q1
Q2
PGND
VIN
4.5V to 16V
0.8V to V
-40°C to +85°C
50°C/W
AOZ1024D
LX
Rating
Page 3 of 16
A
= 25°C. The
IN
2
FR-4