aoz1025di Alpha & Omega Semiconductor, aoz1025di Datasheet - Page 3

• Manufacturer Part Number: aoz1025di
• Description: Ezbucktm 8a 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
Junction Temperature (T
Storage Temperature (T
ESD Rating
required. Human body model rating: 1.5k
Rev. 1.3 September 2009
PGOOD
COMP
Parameter
EN
FB
(1)
0.8V
IN
Reference
)
& Bias
0.96V
0.86V
0.72V
S
0.2V
J
)
)
& POR
UVLO
+
–
EAmp
+
–
+
–
–
+
Softstart
Over Voltage
Comparator
Ω
Comparator
Frequency
Foldback
in series with 100pF.
Regulator
5V LDO
Rating
-0.7V to V
-0.3V to V
-65°C to +150°C
-0.3V to +0.3V
-0.3V to 6V
-0.3V to 6V
500kHz/68kHz
IN
IN
+150°C
Oscillator
+
–
+
+0.3V
+0.3V
www.aosmd.com
Internal
Comp
PWM
18V
2kV
+5V
AGND
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
5 x 4 DFN-16 (Θ
board with 2oz. Copper, in a still air environment with T
value in any given application depends on the user's specific board
design.
Control
PWM
ILimit
Logic
OTP
Θ
Parameter
JA
Shifter
Driver
PGND
Level
FET
is measured with the device mounted on 1-in
+
JA
IN
)
(2
)
)
ISen
A
)
+
–
Q1
VIN
AOZ1025D
-40°C to +85°C
4.75V to 16V
Rating
Page 3 of 15
A
0.8V to V
= 25°C. The
LX
LDRV
50°C/W
2
FR-4
IN