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SP6120 Datasheet(PDF) 6 Page - Sipex Corporation

Part No. SP6120
Description  Low Voltage, AnyFETTM, Synchronous,Buck Controller Ideal for 2A to 10A, High Performance, DC-DC Power Converters
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
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SP6120 Datasheet(HTML) 6 Page - Sipex Corporation

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Date: 5/25/04
SP6120 Low Voltage, AnyFETTM, Synchronous, Buck Controller
© Copyright 2004 Sipex Corporation
50
60
70
80
90
100
02
46
Output Current (A)
810
Figure 2. Efficiency vs. Output Current
Figure 3. Load Regulation
Figure 4. Load Step Response: 0.4A to 2A
Figure 5. Load Step Response: 0.4A to 7A
TYPICAL PERFORMANCE CHARACTERISTICS
Refer to circuit in Figure 1 with V
IN = 3.3V; VOUT = 1.9V, ROSC = 18.7kΩ, and TAMB = +25°C unless otherwise noted.
Figure 6. Start-Up Response: 5A Load
1.875
1.880
1.885
1.890
1.895
1.900
1.905
1.910
1.915
1.920
1.925
01
23
45
Load Current (A)
VOUT
Gate High
IOUT(1A/div)
VOUT
Gate High
IOUT(5A/div)
VOUT
VIN
Soft Start
IIN (1A/div)
Figure 7. Overcurrent: 9A Load
VOUT
VIN
Soft Start
IOUT (5A/div)


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