aoz1012d Alpha & Omega Semiconductor, aoz1012d Datasheet - Page 2

• Manufacturer Part Number: aoz1012d
• Description: Ezbuck 3a Simple Regulator
• Manufacturer: Alpha & Omega Semiconductor

Ordering Information
Pin Configuration
Pin Description
Block Diagram
Pin Number
Rev. 1.2 February 2007
Part Number
AOZ1012DI
7, 8
All AOS Products are offering in packaging with Pb-free plating and compliant to RoHS standards.
Please visit
1
2
3
4
5
6
COMP
EN
FB
Pin Name
wwww.aosmd.com/web/rohs_compliant.jsp
COMP
PGND
AGND
0.8V
V
FB
EN
LX
IN
Reference
Ambient Temperature Range
& Bias
& POR
UVLO
+
–
Supply voltage input. When V
Power ground. Electrically needs to be connected to AGND.
Reference connection for controller section. Also used as thermal connection for controller
section. Electrically needs to be connected to PGND.
The FB pin is used to determine the output voltage via a resistor divider between the output
and GND.
External loop compensation pin.
The enable pin is active high. Connect EN pin to V
PWM output connection to inductor. Thermal connection for output stage.
EAmp
-40°C to +85°C
Softstart
Regulator
5V LDO
PGND
AGND
VIN
FB
1
2
3
4
Oscillator
+
–
+
500kHz
www.aosmd.com
Comp
Internal
PWM
+5V
4x5 DFN
(Top View)
AGND
LX
for additional information.
IN
rises above the UVLO threshold the device starts up.
Control
ILimit
PWM
Logic
OTP
AGND
8
7
6
5
LX
LX
EN
COMP
Pin Function
Package
DFN-8
Shifter
Driver
Level
FET
+
IN
if not used. Do not leave the EN pin floating.
ISen
+
–
Q1
D1
PGND
VIN
Environmental
RoHS
LX
LX
AOZ1012D
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