Datasheet AOZ5317UQI (Alpha & Omega) - 9

AOZ5317UQI Typical Performance Characteristics
TA = 25°C, VIN = 12V, VOUT = 1V, PVCC = VCC = DISB# = 5V, unless otherwise specified. 96% 12 VIN=12V, VOUT=1V, Freq=300kHz 94% 10 VIN=12V, VOUT=1V, Freq=500kHz 92% VIN=19V, VOUT=1V, Freq=300kHz
) )
8 VIN=19V, VOUT=1V, Freq=500kHz
%
90%
( s (W cy
88% 6
ien r Los e ffic w E
86%
o
VIN=12V, VOUT=1V, Freq=300kHz
P
4 84% VIN=12V, VOUT=1V, Freq=500kHz VIN=19V, VOUT=1V, Freq=300kHz 2 82% VIN=19V, VOUT=1V, Freq=500kHz 80% 0 5 10 15 20 25 30 35 40 45 50 55 60 5 10 15 20 25 30 35 40 45 50 55 60
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
540
(V
2.5
t (u e n g a rre
520
lt o
2.0
Cu V
Tri-State Window
C M C
500 1.5
V 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 (IVCC) 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
Logic Low Threshold 1.2 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. 2.0 June 2020
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