AOZ1038DI-1 データシートの表示（PDF） - Alpha and Omega Semiconductor
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AOZ1038DI-1 Datasheet PDF : 13 Pages
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Block Diagram
AOZ1038DI-1
VIN
EN
UVLO
5V LDO
Internal
OTP
& POR
Regulator
+5V
Softstart
Ramp
Reference
& Bias
ILimit
+
ISen
–
Q1
FB
COMP
0.8V
+
EAmp
–
+
– PWM
Comp
+
PWM
Control
Logic
Level
Shifter
+
FET
Driver
LX
Q2
OVP
Comp
960 mV
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 (20 ns)
EN to AGND
FB, COMP to AGND
PGND to AGND
Junction Temperature (TJ)
Storage Temperature (TS)
ESD Rating(1)
20 V
-0.7 V to VIN+0.3 V
-5 V to 22 V
-0.3 V to VIN+0.3 V
-0.3 V to 6 V
-0.3 V to +0.3 V
+150 °C
-65 °C to +150 °C
2.0 kV
Note:
1. Devices are inherently ESD sensitive, handling precautions are
required. Human body model rating: 1.5 kΩ in series with 100 pF.
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
5x6 DFN-8 (ΘJA)(2)
4.5 V to 18 V
0.8 V to 0.9 • VIN
-40 °C to +85 °C
40 °C/W
Note:
2. The value of ΘJA is measured with the device mounted on a 1-in2
FR-4 board with 2 oz. 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. 1.0 September 2011
www.aosmd.com
Page 3 of 13
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