sc183c Semtech Corporation, sc183c Datasheet - Page 8

• Manufacturer Part Number: sc183c
• Description: 2.5mhz, 2a Synchronous Step-down Regulator
• Manufacturer: Semtech Corporation

© 2009 Semtech Corp.
Typical Waveforms
Circuit Conditions: C
10mV/div
10mV/div
100mV/div
2V/div
2V/div
1A/div
1A/div
1A/div
V
V
V
I
Transient Response (V
V
V
OUT
OUT
OUT
OUT
I
I
LX
LX
LX
LX
V
I
V
I
V
I
Output Voltage Ripple (V
Output Voltage Ripple (V
OUT
OUT
OUT
IN
IN
IN
=3.3V
=5.0V
=5.0V
=2A
=0A
=0A to 1A
Output Voltage Ripple (V
Output Voltage Ripple (V
Transient Response (V
IN
= 0uF/6.3V; C
500ns/div
500ns/div
50µs/div
OUT
OUT
= 22uF/6.3V, L= 2.2uH (TOKO: 27AS-2R2M).
=1.5V; 0A to 1A)
OUT
OUT
OUT
=1.5V)
=3.3V)
OUT
OUT
=1.5V)
=1.5V)
=3.3V)
8
10mV/div
10mV/div
100mV/div
500mA/div
2V/div
2V/div
1A/div
1A/div
V
V
V
I
Transient Response (V
V
V
OUT
OUT
OUT
OUT
I
I
LX
LX
LX
LX
V
I
V
I
V
I
Output Voltage Ripple (V
Output Voltage Ripple (V
OUT
OUT
OUT
IN
IN
IN
=3.3V
=5.0V
=5.0V
=2A
=2A
=0A to 1A
Output Voltage Ripple (V
Output Voltage Ripple (V
Transient Response (V
500ns/div
500ns/div
50µs/div
OUT
=3.3V; 0A to 1A)
OUT
OUT
OUT
=1.5V)
=3.3V)
OUT
OUT
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=3.3V)
=1.5V)
=3.3V)
SC183C