AOZ1017 View Datasheet(PDF) - Alpha and Omega Semiconductor
Part Name
Description
Manufacturer
AOZ1017 Datasheet PDF : 16 Pages
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AOZ1017
Absolute Maximum Ratings
Exceeding the Absolute Maximum ratings may damage the
device.
Parameter
Supply Voltage (VIN)
LX to AGND
EN to AGND
FB to AGND
COMP to AGND
PGND to AGND
Junction Temperature (TJ)
Storage Temperature (TS)
Rating
18V
-0.7V to VIN+0.3V
-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
Recommend Operating Ratings
The device is not guaranteed to operate beyond the Maximum
Operating Ratings.
Parameter
Supply Voltage (VIN)
Output Voltage Range
Ambient Temperature (TA)
Package Thermal Resistance SO-8
(ΘJA)(1)
Rating
4.5V to 16V
0.8V to VIN
-40°C to +85°C
87°C/W
Note:
1. 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.
Electrical Characteristics
TA = 25°C, VIN = VEN = 12V, VOUT = 3.3V unless otherwise specified(2)
Symbol
Parameter
Conditions
Min. Typ. Max.
VIN
VUVLO
IIN
IOFF
VFB
Supply Voltage
Input Under-Voltage Lockout Threshold
Supply Current (Quiescent)
Shutdown Supply Current
Feedback Voltage
Load Regulation
VIN Rising
VIN Falling
IOUT = 0, VFB = 1.2V, VEN >1.2V
VEN = 0V
4.5
16
4.00
3.70
2
3
1
10
0.782 0.8 0.818
0.5
Line Regulation
0.5
IFB
Feedback Voltage Input Current
VEN
EN Input threshold
Off Threshold
On Threshold
200
0.6
2.0
VHYS
EN Input Hysteresis
100
MODULATOR
fO
DMAX
DMIN
Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Error Amplifier Voltage Gain
400 500 600
100
6
500
Error Amplifier Transconductance
200
PROTECTION
ILIM
Current Limit
VPR
Over-Voltage Protection Threshold
Off Threshold
On Threshold
4
5
960
840
TJ
Over-Temperature Shutdown Limit
150
tSS
Soft Start Interval
2.2
OUTPUT STAGE
High-Side Switch On-Resistance
VIN = 12V
VIN = 5V
40
50
65
85
Note:
2. Specification in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.
Units
V
V
mA
µA
V
%
%
nA
V
mV
kHz
%
%
V/ V
µA / V
A
mV
°C
ms
mΩ
Rev. 1.0 July 2007
www.aosmd.com
Page 4 of 16
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