SC251 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC251' PDF : 19 Pages View PDF
POWER MANAGEMENT
Typical Characteristics (Cont.)
Enable Startup
EN
5V/DIV
LX
5V/DIV
VOUT
2V/DIV
IIN
500mA/DIV
40μs/DIV
VDAC Step Response (Passthrough)
VDAC
1V/DIV
VGD
5V/DIV
VOUT
2V/DIV
LX
5V/DIV
VIN = 4.0V
LOAD = 5Ω
MODE = LP
VDAC = 0 to 1.4V
100μs/DIV
V Step Response
DAC
VDAC
1V/DIV
VGD
5V/DIV
VOUT
2V/DIV
LX
5V/DIV
VIN = 4.0V
LOAD = 5Ω
MODE = LP
VDAC = 0 to 1.09V
100μs/DIV
© 2006 Semtech Corp.
SC251
Load Step Response
VOUT
100mV/DIV
ILoad
500mA/DIV
100μs/DIV
ILOAD = 0 - 800mA
VIN = 3.6V
VDAC = 0.6V
V Step Response (100% duty)
DAC
VDAC
1V/DIV
VGD
5V/DIV
VOUT
2V/DIV
LX
5V/DIV
VMODE
2V/DIV
VIN = 4.0V
LOAD = 5Ω
MODE = LP
VDAC = 0 to 1.2V
100μs/DIV
VMODE Step Response
VGD
5V/DIV
VOUT
2V/DIV
LX
5V/DIV
16
VIN = 4.0V
LOAD = 5Ω
Mode = LP
VDAC = 1.07V
100μs/DIV
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