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SS6550 Fiches technique(PDF) 6 Page - Silicon Standard Corp.

No de pièce SS6550
Description  Low-Noise Synchronous PWM Step-Down DC/DC Converter
PDF  13 Pages
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Fabricant  SSC [Silicon Standard Corp.]
Site Internet  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS6550 Fiches technique(HTML) 6 Page - Silicon Standard Corp.

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SS6550
n TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Fig. 13
Supply Current vs. Supply Voltage
Supply Voltage (V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
SYNC/PWM=IN
VOUT=1.8V
VOUT=3.3V
VOUT=2.5V
Fig. 14
No Load Current vs. Supply Voltage
Supply Voltage (V)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
20.0
22.5
25.0
27.5
30.0
32.5
35.0
37.5
40.0
VOUT=1.8V
SYNC/PWM=GND
R1=560K R2=400K
Fig. 15
Operation Frequency vs. Tuning Resistor
Tuning Resistor (
Ω)
1000
500
600
700
800
900
1000
0
Fig. 16
Start-up from Shutdown, RLOAD=3
Ω
Fig. 17
Load Transient Response
VOUT=1.8V;
ILOAD=50mA to 500mA;
SYNC/MODE=IN
VOUT=1.8V;
ILOAD=50mA
to
500mA;
SYNC/MODE=GND
Fig. 18
Load Transient Response
Rev.2.01 6/06/2003



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