NCP382
www.onsemi.com
4
ELECTRICAL CHARACTERISTICS Min & Max Limits apply for T
A
between −40°C to +85°C and T
J
up to + 125°C for V
IN
between
2.5 V to 5.5 V (Unless otherwise noted). Typical values are referenced to T
A
= + 25°C and V
IN
= 5 V.
Symbol Parameter Conditions Min Typ Max Unit
POWER SWITCH
R
DS(on)
Static drain−source on−state resistance
(SOIC−8 Package)
T
J
= 25°C, V
IN
= 3.6 V to 5 V 80 110
mW
V
IN
= 5 V –40°C < T
J
< 125°C 140
R
DS(on)
Static drain−source on−state resistance
(DFN8 Package)
T
J
= 25°C, V
IN
= 3.6 V to 5 V 80 95
mW
V
IN
= 5 V –40°C < T
J
< 125°C 100
T
R
Output rise time
V
IN
= 5 V
C
LOAD
= 1 mF,
R
LOAD
= 100 W (Note 9)
0.3 1.0 1.5
ms
V
IN
= 2.5 V 0.2 0.65 1.0
T
F
Output fall time
V
IN
= 5 V 0.1 0.5
V
IN
= 2.5 V 0.1 0.5
ENABLE INPUT ENx OR ENx
V
IH
High−level input voltage 1.2 V
V
IL
Low−level input voltage 0.4 V
I
ENx
Input current V
ENx
= 0 V, V
ENx
= 5 V −0.5 0.5
mA
T
ON
Turn on time
C
LOAD
= 1 mF, R
LOAD
= 100 W (Note 9)
1.0 3.0 ms
T
OFF
Turn off time 1.0 3.0 ms
CURRENT LIMIT
I
OCP
Current−limit threshold (Maximum DC
output current I
OUTX
delivered to load)
V
IN
= 5 V, Fixed 0.5 A 0.5 0.6 0.7
A
V
IN
= 5 V, Fixed 1.0 A 1.0 1.2 1.4
V
IN
= 5 V, Fixed 1.5 A 1.5 1.75 2.0
V
IN
= 5 V, Fixed 2 A 2 2.25 2.5
T
DET
Response time to short circuit V
IN
= 5 V 2.0
ms
T
REG
Regulation time 2.0 3.0 4.0 ms
T
OCP
Over current protection time 14 20 26 ms
UNDERVOLTAGE LOCKOUT
V
UVLO
IN pin low−level input voltage V
IN
rising 2.0 2.35 2.5 V
V
HYST
IN pin hysteresis T
J
= 25°C 25 40 60 mV
T
RUVLO
Re−arming Time V
IN
rising 5.0 10 15 ms
SUPPLY CURRENT
I
INOFF
Low−level output supply current V
IN
= 5 V, No load on OUTX, Device OFF
V
ENX
= 0 V or V
ENX
= 5 V
2.0 3.0
mA
I
INON
High−level output supply current
0.5 A T
J
= 25°C
T
J
= 85°C
95
100
mA
1 and 1.5 A T
J
= 25°C
T
J
= 85°C
115
125
2 A T
J
= 25°C
T
J
= 85°C
130
140
I
REV
Reverse leakage current V
OUTX
= 5 V,
V
IN
= 0 V
T
J
= 25°C 1.0 2.0
mA
FLAG PIN
V
OL
FLAGX output low voltage I
FLAGX
= 1 mA 400 mV
I
LEAK
Off−state leakage V
FLAGX
= 5 V 0.02 1
mA
T
FLG
FLAGX deglitch FLAGX de−assertion time due to
overcurrent
4 6 9 ms
T
FOCP
FLAGX deglitch FLAGX assertion due to overcurrent 6 8 12 ms
THERMAL SHUTDOWN
T
SD
Thermal shutdown threshold 140 °C
T
SDOCP
Thermal regulation threshold 125 °C
T
RSD
Thermal regulation rearming threshold 115 °C
9. Parameters are guaranteed for C
LOAD
and R
LOAD
connected to the OUTX pin with respect to the ground.
10.DFN package only.
11. Guaranteed by characterization.
