sc286ultrt Semtech Corporation, sc286ultrt Datasheet - Page 9

• Manufacturer Part Number: sc286ultrt
• Description: Dual Channel 4a Synchronous Step-down Regulator
• Manufacturer: Semtech Corporation

Typical Characteristics (continued)
Circuit Conditions: C
PGOOD (5V/div)
V
OUT
V
V
I
V
CTLx
(50mV/div)
I
OUT
OUT
LX (2V/div)
SW
IN
(2V/div)
(1A/div)
(5V/div)
(1V/div)
(5V/div)
Output Voltage Ripple (V
V
V
IN
IN
= 5V, = I
= 5V, = I
IN
= 22µF/6.3V, C
Start Up (CTL
OUT
OUT
= 0; V
= 0; V
OUT
OUT
Time (500ns/div)
Time (500ns/div)
= 3.3V
= 1.5V
OUT
= 2 x 22µF/6.3V, C
X
) — No Load
s/div)
OUT
/div)
s/div)
/div)
= 3.3V) @ No Load
SS
= 10nF. Unless otherwise noted, L = 1.0µH (TOKO: FDV0530S-1R0), each device
PGOOD (5V/div)
V
OUT
V
V
I
(20mV/div)
V
CTLx
LX (2V/div)
I
OUT
OUT
SW
IN
Output Voltage Ripple (V
(2V/div)
(1A/div)
(5V/div)
(1V/div)
(5V/div)
Start Up (CTL
V
V
IN
IN
= 5V, = I
= 5V, = I
OUT
OUT
= 4A; V
= 4A; V
Time (500ns/div)
OUT
OUT
Time (500ns/div)
X
) — Full Load
= 1.5V
= 3.3V
OUT
s/div)
/div)
s/div)
/div)
= 3.3V) @ Full Load
SC286
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