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AIC1574CS Datasheet(PDF) 6 Page - Analog Intergrations Corporation

Part # AIC1574CS
Description  5-bit DAC, Synchronous PWM Power Regulator with Triple Linear Controllers
PDF  20 Pages
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Manufacturer  AIC [Analog Intergrations Corporation]
Direct Link  http://www.analog.com.tw
Logo AIC - Analog Intergrations Corporation

AIC1574CS Datasheet(HTML) 6 Page - Analog Intergrations Corporation

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AIC1574
6
n TYPICAL PERFORMANCE CHARACTERISTICS
PGOOD
VOUT4
VOUT3
SS
VOUT2
VOUT1
Fig. 1 Soft Start Interval with 4 Outputs and PGOOD
SS
VDAC=3.5V
VDAC=2V
VDAC=1.3V
Fig. 2
Soft Start Initiates PWM Output
1k
10k
100k
1M
-5
0
5
10
15
20
25
30
90°C
Internal Compensation Gain of PWM Error Amplifier
Fig. 3
Frequency (Hz)
-40°C
22°C
10k
100k
1M
1k
10k
100k
1M
10M
RT Pull Up to 12V
Fig. 4
Switching Frequency (Hz)
RT Pull Down to GND
RT Resistance vs. Frequency
200k
300k
400k
500k
600k
700k
800k
900k
1M
0
20
40
60
80
100
120
C=0
C=680pF
C=1.5nF
C=3.3nF
C=4.7nF
VCC=12V
CUG1=CLG1=C
Supply Current vs. Frequency
Fig. 5
Switching Frequency (Hz)
SS
Inductor
Current 5A/div
Over Load
Applied
Fault
Over Current ON Inductor
Fig. 6



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