AOZ1037PI Alpha & Omega Semiconductor Inc, AOZ1037PI Datasheet - Page 3

• Manufacturer Part Number: AOZ1037PI
• Description: IC BUCK SYNC ADJ 5A SO8
• Manufacturer: Alpha & Omega Semiconductor Inc
• Series: EZBuck™r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of AOZ1037PI

• Featured Product: The AOZ103x Family Synchronous Buck Regulator
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 V ~ 18 V
• Current - Output: 5A
• Frequency - Switching: 500kHz
• Voltage - Input: 4.5 V ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 785-1256-2

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
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. 1.1 September 2010
PGOOD
COMP
EN
FB
Parameter
(1)
0.8V
Reference
IN
& Bias
0.72V
)
0.2V
S
J
)
)
+
–
& POR
–
+
UVLO
+
–
EAmp
Short Circuit
Comparator
Detection
Softstart
Ω
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
23V (<50ns)
-0.3V to 6V
-0.3V to 6V
IN
IN
+150°C
Oscillator
+
+
–
500kHz
+0.3V
+0.3V
2.0kV
www.aosmd.com
Comp
Internal
PWM
20V
+5V
Recommended Operating Conditions
The device is not guaranteed to operate beyond the Maximum
Recommended Operating Conditions.
Note:
2. The value of
Supply Voltage (V
Output Voltage Range
Ambient Temperature (T
Package Thermal Resistance
Exposed Pad SO-8 (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
AGND
Parameter
JA
Shifter
Driver
Level
FET
is measured with the device mounted on 1-in
+
IN
)
JA
ISen
A
)
(2
)
)
+
–
Q2
Q1
PGND
VIN
-40°C to +85°C
AOZ1037
Rating
Page 3 of 14
4.5V to 18V
A
0.8V to V
= 25°C. The
LX
50°C/W
2
FR-4
IN