AOZ1010 Ver la hoja de datos (PDF) - Alpha and Omega Semiconductor
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AOZ1010 Datasheet PDF : 14 Pages
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11
2
Absolute Maximum Ratings
Exceeding the Absolute Maximum ratings may damage the
device.
Parameter
Rating
Supply Voltage (VIN)
LX to AGND
EN to AGND
FB to AGND
COMP to AGND
PGND to AGND
Junction Temperature (TJ)
Storage Temperature (TS)
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
µ
AOZ1010
Recommend Operating Ratings
The device is not guaranteed to operate beyond the Maximum
Operating Ratings.
Parameter
Rating
Supply Voltage (VIN)
Output Voltage Range
4.5V to 16V
0.8V to VIN
Ambient Temperature (TA)
-40°C to +85°C
Package Thermal Resistance SO-8
(ΘJA)(1)
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. Units
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
0.782
4.00
3.70
2
3
0.8
0.5
16
3
20
0.818
Line Regulation
1
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
350 500 600
100
6
500
Error Amplifier Transconductance
200
PROTECTION
ILIM
Current Limit
Over-Temperature Shutdown Limit
tSS
Soft Start Interval
OUTPUT STAGE
TJ Rising
TJ Falling
2.5
3.6
145
100
4
High-Side Switch On-Resistance
VIN = 12V
VIN = 5V
97
130
166 200
Note:
2. Specification in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.
V
V
mA
µA
V
%
%
nA
V
mV
kHz
%
%
V/ V
µA / V
A
°C
ms
mΩ
Rev. 1.0 November 2006
www.aosmd.com
Page 3 of 14
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