NCV8873
www.onsemi.com
3
ABSOLUTE MAXIMUM RATINGS (Voltages are with respect to GND, unless otherwise indicated)
Rating
Value Unit
Dc Supply Voltage (VIN) −0.3 to 40 V
Peak Transient Voltage (Load Dump on VIN) 45 V
Dc Supply Voltage (VDRV, GDRV) 12 V
Peak Transient Voltage (VFB) −0.3 to 6 V
Dc Voltage (VC, VFB, ISNS) −0.3 to 3.6 V
Dc Voltage (EN/SYNC) −0.3 to 6 V
Dc Voltage Stress (VIN − VDRV)* −0.7 to 40 V
Operating Junction Temperature −40 to 150 °C
Storage Temperature Range −65 to 150 °C
Peak Reflow Soldering Temperature: Pb−Free, 60 to 150 seconds at 217°C 265 peak °C
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.
*An external diode from the input to the VIN pin is required if bootstrapping VDRV and VIN off of the output voltage.
PACKAGE CAPABILITIES
Characteristic Value Unit
ESD Capability (All Pins) Human Body Model
Machine Model
w2.0
w200
KV
V
Moisture Sensitivity Level 1
Package Thermal Resistance Junction−to−Ambient, R
q
JA
(Note 1)
100 °C/W
1. 1 in
2
, 1 oz copper area used for heatsinking.
Ordering Options
The NCV8873 features several variants to better fit a
multitude of applications. The table below shows the typical
values of parameters for the parts that are currently
available.
TYPICAL VALUES
YY D
max
f
s
t
ss
S
a
V
cl
I
src
I
sink
V
DRV
NCV887300 86.5% 1000 kHz 1.6 ms
130 mV/ms
400 mV 800 mA 600 mA 6.3 V
NCV887301 87.5% 400 kHz 4.0 ms
30 mV/ms
200 mV 800 mA 600 mA 6.3 V
DEFINITIONS
Symbol Characteristic Symbol Characteristic Symbol Characteristic
D
max
Maximum duty cycle f
s
Switching frequency t
ss
Soft−start time
S
a
Slope compensating ramp V
cl
Current limit trip voltage I
src
Gate drive sourcing current
I
sink
Gate drive sinking current V
DRV
Drive voltage
