NCP451
www.onsemi.com
3
MAXIMUM RATINGS
Symbol Rating Value Unit
IN, OUT, EN, Pins: (Note 1) V
EN,
V
IN,
V
OUT
−0.3 to + 7.0 V
From IN to OUT Pins: Input/Output (Note 1) V
IN,
V
OUT
0 to + 7.0 V
Human Body Model (HBM) ESD Rating are (Notes 1 and 2) ESD HBM 1.5 kV
Machine Model (MM) ESD Rating are (Notes 1 and 2) ESD MM 250 V
Charge Device Model (CDM) ESD Rating are (Notes 1 and 2) ESD CDM 2000 V
Latch−up protection (Note 3)
−Pins IN, OUT, EN
LU 100 mA
Maximum Junction Temperature T
J
−40 to + 125 °C
Storage Temperature Range T
STG
−40 to + 150 °C
Moisture Sensitivity (Note 4) MSL Level 1
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. According to JEDEC standard JESD22−A108.
2. This device series contains ESD protection and passes the following tests:
Human Body Model (HBM) ±1.5 kV per JEDEC standard: JESD22−A114 for all pins.
Machine Model (MM) ±250 V per JEDEC standard: JESD22−A115 for all pins.
Charge Device Model (CDM) ±2.0 kV per JEDEC standard: JESD22−C101 for all pins.
3. Latchup Current Maximum Rating: ±100 mA per JEDEC standard: JESD78 class II.
4. Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: J−STD−020.
OPERATING CONDITIONS
Symbol Parameter Conditions Min Typ Max Unit
V
IN
Operational Power Supply 0.75 5.5 V
V
EN
Enable Voltage 0 5.5 V
T
A
Ambient Temperature Range −40 25 +85 °C
T
J
Junction Temperature Range −40 25 +125 °C
C
IN
Decoupling input capacitor 1
mF
C
OUT
Decoupling output capacitor 1
mF
R
q
JA
Thermal Resistance Junction to Air (Note 5) 100 °C/W
I
OUT
Maximum DC current 3 A
P
D
Power Dissipation Rating (Note 6) Over temperature 0.315 W
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.
5. The R
q
JA
is dependent of the PCB heat dissipation and thermal via.
6. The maximum power dissipation (P
D
) is given by the following formula:
P
D
+
T
JMAX
* T
A
R
qJA
