SC120 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC120' PDF : 32 Pages View PDF
Applications Information (continued)
PSAVE Mode at
Moderate Load
Higher Load
Applied
BURST
OFF
BURST OFF
+1.8%
+0.8%
VOUT
Prog’d
Voltage
PSAVE exit due
to output decay
BURST
PWM Mode at
High Load
PWM Mode
SC120
-2%
Inductor
Current
240mA
0A
Time
Figure 2 — PSAVE Operation With Exit to PWM Due To Output Voltage Decay
+1.8%
PSAVE Mode at
Moderate Load
BURST
OFF
(> 5μs)
+0.8%
VOUT
Prog’d
Voltage
-2%
Higher Load
Applied
BURST
PSAVE exit due to
off-time reduction
OFF
(< 5μs)
PWM Mode at
High Load
PWM Mode
Inductor
Current
240mA
0A
Time
Figure 3 — PSAVE Operation With Exit to PWM Due To Off-time < 5μs
22
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