sc483itstrt Semtech Corporation, sc483itstrt Datasheet - Page 25

• Manufacturer Part Number: sc483itstrt
• Description: Sc483 Dual Synchronous Buck Pseudo-fixed-frequency Power-supply Controller
• Manufacturer: Semtech Corporation

SC483
POWER MANAGEMENT
Typical Characteristics (Cont.)
Startup (PSV), EN/PSV Going High
Trace 1: 1.2V, 0.5V/div.
Trace 2: LX, 10V/div
Trace 3: EN/PSV, 5V/div
Trace 4: PGD, 5V/div.
Timebase: 1ms/div.
Startup (CCM), EN/PSV 0V to Floating
Trace 1: 1.2V, 0.5V/div.
Trace 2: LX, 10V/div
Trace 3: EN/PSV, 5V/div
Trace 4: PGD, 5V/div.
Timebase: 1ms/div.
Please refer to Figure 8 on Page 16 for test schematic (OUT2)
2005 Semtech Corp.
25
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