SC283 SEMTECH [Semtech Corporation], SC283 Datasheet - Page 7

• Manufacturer Part Number: SC283
• Description: Dual Channel 2.5MHz, 1.8A Synchronous Step-Down Regulator
• Manufacturer: SEMTECH [Semtech Corporation]

Typical Waveforms
Circuit Conditions: C
© 2010 Semtech Corp.
10mV/div
10mV/div
100mV/div
0.5A/div
Transient Response (V
2V/div
2V/div
1A/div
1A/div
V
V
V
I
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
=1.8A
=0A
=0A to 1A
Output Voltage Ripple (V
Output Voltage Ripple (V
Transient Response (V
IN
= 10uF/6.3V; C
OUT
500ns/div
500ns/div
50µs/div
OUT
=1.5V; 0A to 1A to 0A)
= 22uF/6.3V, L= 2.2uH (TOKO: 1127AS-2R2M).
OUT
OUT
OUT
=1.5V)
=3.3V)
OUT
OUT
=1.5V)
=1.5V)
=3.3V)
7
10mV/div
10mV/div
100mV/div
500mA/div
Transient Response (V
2V/div
2V/div
1A/div
1A/div
V
V
V
I
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
=5.0V
=5.0V
=5.0V
=1.8A
=1.8A
=0A to 1A
Output Voltage Ripple (V
Output Voltage Ripple (V
Transient Response (V
OUT
500ns/div
500ns/div
50µs/div
=3.3V; 0A to 1A to 0A)
OUT
OUT
OUT
=1.5V)
=3.3V)
www.semtech.com
OUT
OUT
=3.3V)
=1.5V)
=3.3V)
SC283