Datasheet AOZ5311UQI (Alpha & Omega) - 10

AOZ5311UQI Typical Performance Characteristics
TA = 25°C, VIN = 12V, VOUT = 1V, PVCC = VCC = DISB# = 5V, unless otherwise specified. 94 8.0 92 7.0 6.0 90 VIN=12V Freq=300kHz
) ) % W
5.0 VIN=12V Freq=500kHz 88
s ( cy ( s o
4.0
en r L
86
e ffici w E
VIN=12V VOUT=1V Freq=300kHz 3.0
Po
84 VIN=12V VOUT=1V Freq=500kHz 2.0 82 1.0 80 0.0 5 10 15 20 25 30 35 40 5 10 15 20 25 30 35 40
Load Current (A) Load Current (A) Figure 3. Efficiency vs. Load Current Figure 4. Power Loss vs. Load Current
600 4.0 580 3.5 560 3.0
)
Logic High Threshold
A) u
540
(V
2.5
t ( e n g rre lta u
520
o
2.0
C V
Tri-State Window
M CC
500 1.5
V P PW
480 1.0 Logic Low Threshold 460 0.5 440 0.0 -50 -25 0 25 50 75 100 125 150 - 50 - 25 0 25 50 75 100 125 150
Temperature(°C) Temperature (°C) Figure 5. Supply Current (IPVCC) vs. Temperature Figure 6. PWM Threshold vs. Temperature
1.8 3.7 1.7 3.6 Rising Threshold 1.6 3.5 Logic High Threshold
e (V)
1.5
g (v)
3.4
e lta
1.4
ltag o
3.3
# Vo D O
1.3
CC V V
3.2
SM
1.2 Logic Low Threshold 3.1 Falling Threshold 1.1 3.0 1.0 2.9 -50 -25 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 125 150
Temperature (°C) Temperature ( C) Figure 7. SMOD# Threshold vs. Temperature Figure 8. UVLO (VCC) Threshold vs. Temperature
Rev. 1.0 June 2019
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