AIC2362 Datasheet, PDF (4/10 Pages) Analog Intergrations Corporation – 2A 550k/1.1MHz Synchronous PWM/PSM

AIC2362
 TYPICAL PERFORMANCE CHARACTERISTICS
(C1=10μF,C3=22μF,L1=2.2μH,TA=25℃,unless otherwise noted)
100.00
95.00
90.00
85.00
80.00
75.00
70.00
65.00
60.00
55.00
50.00
0
3.3V_OUT
1.8V_OUT
(VCC=VIN=5V)
250 500 750 1000 1250 1500 1750 2000
Fig. 1 Efficiency vs load Current
Fig. 2 Output Voltage Deviation vs Input Voltage
VIN=VCC=3.3V,VOUT=1.8V,ILOAD=1.5A
ILX
VIN=VCC=3.3V,VOUT=1.8V,ILOAD=1.5A
VLX
OUT
Ripple
VOUT
VEN
Fig. 3 Switching Waveform
VIN=VCC=3.3V,VOUT=0.8V,ILOAD=1.5A
VOUT
Fig. 4 Soft Start Waveform
VEN
VLX
VEN
Fig. 5 Soft Start Waveform
VOUT
Fig. 6 Shoutdown Waveform
4