AOZ1025D Просмотр технического описания (PDF) - Alpha and Omega Semiconductor
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AOZ1025D Datasheet PDF : 15 Pages
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AOZ1025D
Electrical Characteristics
TA = 25°C, VIN = VEN = 12V, VOUT = 1.2V unless otherwise specified(3)
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
4.75
16
VIN Rising
4.1
VIN Falling
3.7
IOUT = 0, VFB = 1.2V, VEN > 1.2V
1.2
3
VEN = 0V
30
0.788 0.8 0.812
0.5
Line Regulation
0.2
IFB
Feedback Voltage Input Current
VEN
EN Input Threshold
Off Threshold
On Threshold
200
0.6
2
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
10
Over-Temperature Shutdown Limit
TJ Rising
150
TJ Falling
100
VPR
Output Over-voltage Protection Threshold Off Threshold
960
On Threshold
860
tSS
Soft Start Interval
POWER GOOD
3
4
6.5
VOLPG PG LOW Voltage
IOL = 1mA
0.5
PG Leakage
1
VPGL
PG Threshold Voltage
PG Threshold Voltage Hysteresis
-12
-10
-8
3
PG Delay Time
128
OUTPUT STAGE
High-Side Switch On-Resistance
LOW SIDE DRIVER
VIN = 12V
43
57
Pull-up Resistance
20
Pull-up Resistance
7
Note:
3. 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
°C
mV
ms
V
µA
%
%
µs
mΩ
Ω
Ω
Rev. 1.4 June 2012
www.aosmd.com
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