SC251EVB SEMTECH [Semtech Corporation], SC251EVB Datasheet - Page 17

• Manufacturer Part Number: SC251EVB
• Description: Step-down DC-DC Converter with Bias LDO for WCDMA Amplifi ers
• Manufacturer: SEMTECH [Semtech Corporation]

Typical Characteristics (Cont.)
POWER MANAGEMENT
© 2006 Semtech Corp.
IL
500mA/DIV
100mA/DIV
10mV/DIV
200V/DIV
VOUT
LX
5V/DIV
IOUT
1A/DIV
5V/DIV
VOUT
IL
LX
Passthrough Current Limit Operation
Output Ripple Waveform
1ms/DIV
200ns/DIV
V
LOAD = Short
MODE = LP
V
IN
DAC
= 4.0V
= 1.07V
17
5V/DIV
2V/DIV
VEN
2V/DIV
VGD
VOUT
5V/DIV
LX
Enable Step Response
100μs/DIV
V
LOAD = 5Ω
Mode = LP
V
IN
DAC
= 4.0V
= 0 to 1.07V
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SC251