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SC187 Datasheet, PDF (8/17 Pages) Semtech Corporation – 4A, 2.2MHz Synchronous Step-Down Regulator with 15 Preset Output Voltages
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SC187
Typical Characteristics (continued)
Circuit Conditions: CIN = 22µF/6.3V, COUT = 2 x 22µF/6.3V, CSS = 10nF. Unless otherwise noted, L = 1.0µH (TOKO: FDV0530S-1R0).
Vout Ripple (Vin=5V, VOUT=1.5V) @0A Load
Vout Ripple (Vin=3.3V, VOUT=1.5V)@ 0A Load
VOUT (10mV/div)
Vin (2V/div)
LX(1V/div)
IL (1A/div)
VOUT (10mV/div)
Vin (2V/div)
LX(1V/div)
IL (1A/div)
Vout Ripple (Vin=5V, VOUT=1.5V) @ Full Load
VOUT (10mV/div)
IL (1A/div)
Vin (2V/div)
LX(1V/div)
Vout Ripple (Vin=3.3V, VOUT=1.5V) @ Full Load
VOUT (10mV/div)
IL (1A/div)
Vin (2V/div)
LX(1V/div)
Vout Ripple (Vin=5V, VOUT = 3.3V) @ No Load
VOUT (10mV/div)
Vin (2V/div)
LX(1V/div)
IL (1A/div)
Vout Ripple (Vin=5V, VOUT = 3.3V) @ Full Load
VOUT (10mV/div)
IL (1A/div)
Vin (2V/div)
LX(1V/div)

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