aoz1092d Alpha & Omega Semiconductor, aoz1092d Datasheet - Page 3

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

Block Diagram
Absolute Maximum Ratings
Exceeding the Absolute Maximum Ratings may damage the
device.
Supply Voltage (V
LX to AGND
EN to AGND
FB to AGND
COMP to AGND
PGND to AGND
Junction Temperature (T
Storage Temperature (T
COMP
Rev. 1.3 February 2009
EN
FB
0.8V
Parameter
Reference
0.96V
& Bias
IN
0.2V
)
S
J
)
)
+
–
+
–
& POR
UVLO
+
–
EAmp
Comparator
Frequency
Over Voltage
Comparator
Foldback
Protection
Softstart
Regulator
5V LDO
-0.7V to V
-0.3V to V
-65°C to +150°C
Rating
-0.3V to 0.3V
500kHz/63kHz
-0.3V to 6V
-0.3V to 6V
Oscillator
+
–
+
IN
IN
+150°C
Internal
Comp
PWM
www.aosmd.com
+0.3V
+0.3V
+5V
18V
Recommend Operating Ratings
The device is not guaranteed to operate beyond the Maximum
Operating Ratings.
Supply Voltage (V
Output Voltage Range
Ambient Temperature (T
Package Thermal Resistance
DFN 4x5 (Θ
Control
ILimit
PWM
Logic
OTP
AGND
JA
)
Parameter
Shifter
Driver
Level
FET
+
IN
)
A
ISen
)
+
–
Q1
D1
PGND
VIN
AOZ1092D
-40°C to +85°C
Rating
Page 3 of 16
4.5V to 16V
0.8V to V
LX
53°C/W
IN