AOZ1019 查看數據表（PDF） - Alpha and Omega Semiconductor
零件编号
产品描述 (功能)
生产厂家
AOZ1019 Datasheet PDF : 14 Pages
| |||
µ
AOZ1019
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)
ESD Rating: Human Body Model(1)
Machine Model
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
2kV
200V
Note:
1. Devices are inherently ESD sensitive, handling precautions are
required. Human body model rating: 1.5kΩ in series with 100pF.
Recommend Operating Ratings
The device is not guaranteed to operate beyond the Maximum
Operating Ratings.
Parameter
Rating
Supply Voltage (VIN)
Output Voltage Range
Ambient Temperature (TA)
Package Thermal Resistance SO-8
(ΘJA)(2)
4.5V to 16V
0.8V to VIN
-40°C to +85°C
87°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.
Electrical Characteristics
TA = 25°C, VIN = VEN = 12V, VOUT = 3.3V unless otherwise specified(3)
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
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
IEN
EN Input Current
MODULATOR
100
1
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 Output Over-Voltage Protection Threshold Off Threshold
On Threshold
2.5
3.6
920 960 1000
820 860 900
Over-Temperature Shutdown Limit
150
t SS
Soft Start Interval
2.2
OUTPUT STAGE
High-Side Switch On-Resistance
VIN = 12V
VIN = 5V
97
130
166 200
Note:
3. 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
µA
kHz
%
%
V/V
µA / V
A
mV
°C
ms
mΩ
Rev. 1.0 September 2007
www.aosmd.com
Page 3 of 14
Share Link: 