sc186ultrt Semtech Corporation, sc186ultrt Datasheet - Page 11

• Manufacturer Part Number: sc186ultrt
• Description: 4a Synchronous Step-down Regulator
• Manufacturer: Semtech Corporation

Typical Characteristics (continued)
Circuit Conditions: C
V
PGOOD (5V/div)
PGOOD (5V/div)
OUT
V
V
(100mV/div)
V
V
I
I
I
CTLx
CTLx
OUT
OUT
OUT
OUT
OUT
(5V/div)
(2V/div)
(5V/div)
(1A/div)
(5V/div)
(1V/div)
(5V/div)
Transient Response (V
V
V
V
IN
IN
IN
= 5V; I
= 5V; V
= 5V; V
IN
= 22µF/6.3V, C
OUT
OUT
OUT
= 1A to 3A to 1A
= 1.5V
= 3.3V
Output Short Circuit
Output Short Circuit
Time (20µs�div)
Time (20µs�div)
Time (20µs�div)
OUT
= 2 x 22µF/6.3V, C
s�div)
�div)
s�div)
s�div)
�div)
�div)
OUT
=1.5V, I
SS
STEP
= 10nF. Unless otherwise noted, L = 1.0µH (TOKO: FDV0530S-1R0).
=2A)
V
PGOOD (5V/div)
PGOOD (5V/div)
OUT
V
V
(100mV/div)
V
V
I
I
I
CTLx
CTLx
OUT
OUT
OUT
OUT
OUT
(1A/div)
(5V/div)
(1V/div)
(2V/div)
(5V/div)
(2V/div)
(2V/div)
Transient Response (V
V
V
V
IN
IN
IN
= 5V; V
= 5V; V
= 5V; I
Recovery from Short Circuit
Recovery from Short Circuit
OUT
OUT
OUT
= 1A to 3A to 1A
= 1.5V
= 3.3V
Time (20µs�div)
Time (20µs�div)
Time (20µs�div)
s�div)
s�div)
�div)
�div)
s�div)
�div)
OUT
=3.3V, I
STEP
=2A)
11