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AIC1573CS Datasheet(PDF) 6 Page - Analog Intergrations Corporation

Part # AIC1573CS
Description  5-bit DAC, Synchronous PWM Power Regulator with Simple PWM Power Regulator, LDO And Linear Controller
PDF  19 Pages
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Manufacturer  AIC [Analog Intergrations Corporation]
Direct Link  http://www.analog.com.tw
Logo AIC - Analog Intergrations Corporation

AIC1573CS Datasheet(HTML) 6 Page - Analog Intergrations Corporation

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AIC1573
6
n TYPICAL PERFORMANCE CHARACTERISTICS
Fig. 1 Soft Start Interval with 4 Outputs and PGOOD
PGOOD
SS
VOUT3
VOUT2
VOUT1
VOUT4
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
Frequency (Hz)
Fig 3. Internal Compensation Gain of PWM Error Amplifier
-40°C
22°C
10k
100k
1M
1k
10k
100k
1M
10M
RT Pull Up to 12V
Switching Frequency (Hz)
RT Pull Down to GND
Fig. 4
RT Resistance vs. Frequency
Switching Frequency (Hz)
200k
300k
400k
500k
600k
700k
800k
900k
1M
0
20
40
60
80
100
120
140
160
VCC=12V
CUG1=CLG1=CUG2=C
C=4.7nF
C=3.3nF
C=1.5nF
C=650pF
C=0
Fig. 5
Supply Current vs. Frequency
SS
Inductor
Current 5A/div
Over Load
Applied
Fault
Fig. 6
Over Current ON Inductor



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