sc286ultrt Semtech Corporation, sc286ultrt Datasheet - Page 10

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

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