sc286ultrt Semtech Corporation, sc286ultrt Datasheet - Page 4

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

Electrical Characteristics (continued)
Notes:
(1) The “Output Voltage Tolerance” includes output voltage accuracy, voltage drift over temperature and the line regulation.
(2) A negative current means the current flows into the pin and a positive current means the current flows out from the pin.
Load Regulation
Oscillator Frequency
Soft-Start Charging Current
Foldback Holding Current
Impedance of PGOOD Low
PGOOD Threshold
PGOOD Delay
CTL
CTL
CTL
CTL
V
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Parameter
OUTA/B
X
X
X
X
Delay
Input Current
Input High Threshold
Input Low Threshold
Over Voltage Protection
(2)
(2)
Symbol
ΔV
R
I
V
V
V
T
PGOOD_LO
V
t
CL_HOLD
EN_DLY
CTLx_LO
V
LOAD-REG
I
CTLx_HI
SD_HYS
f
PG_DLY
T
PG_TH
CTLx
OSC
I
OVP
SS
SD
PVINA/B = AVINA/B = 5.0V, I
From CTL
CTL
X
X
Average LX Current
=AVINA/B or AGNDA/B
Input High to SS starts rising
PGOODA/B= Low
VOUTA/B rising
Conditions
Asserted
OUT
=800mA to 4A
1.275
Min
-2.0
110
1.2
1.600
±0.3
Typ
115
160
+5
10
90
20
50
10
1
2
1.925
Max
120
2.0
0.4
Units
MHz
ms
µA
µA
µs
µs
%
%
%
°C
°C
Ω
A
V
V
4