AOZ1034DI 데이터 시트보기 (PDF) - Alpha and Omega Semiconductor
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AOZ1034DI Datasheet PDF : 18 Pages
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Block Diagram
AOZ1034
VIN
EN
UVLO
5V LDO
Internal
OTP
& POR
Regulator
+5V
Reference
& Bias
Softstart
ILimit
+
ISen
–
Q1
0.8V
FB
COMP
+
EAmp
–
+
– PWM
Comp
+
PWM
Control
Logic
Level
Shifter
+
FET
Driver
LX
Q2
0.2V
Short Circuit
Detection
Comparator
+
–
500kHz
Oscillator
AGND
PGND
Absolute Maximum Ratings
Exceeding the Absolute Maximum ratings may damage the
device.
Parameter
Rating
Supply Voltage (VIN)
LX to AGND
LX to AGND
EN to AGND
FB to AGND
COMP to AGND
PGND to AGND
Junction Temperature (TJ)
Storage Temperature (TS)
ESD Rating(1)
20V
-0.7V to VIN+0.3V
23V (<50ns)
-0.3V to VIN+0.3V
-0.3V to 6V
-0.3V to 6V
-0.3V to +0.3V
+150°C
-65°C to +150°C
2.0kV
Note:
1. Devices are inherently ESD sensitive, handling precautions are
required. Human body model rating: 1.5kΩ in series with 100pF.
Recommended Operating Conditions
The device is not guaranteed to operate beyond the Maximum
Recommended Operating Conditions.
Parameter
Rating
Supply Voltage (VIN)
Output Voltage Range
Ambient Temperature (TA)
Package Thermal Resistance (ΘJA)
5x4 DFN-8
Exposed Pad SO-8
4.5V to 18V
0.8V to VIN
-40°C to +85°C
50°C/W
50°C/W
Note:
2. The value of ΘJA is measured with the device mounted on 1-in2 FR-4
board with 2oz. Copper, in a still air environment with TA = 25°C. The
value in any given application depends on the user's specific board
design.
Rev. 1.1 September 2010
www.aosmd.com
Page 3 of 18
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