NCP4330
http://onsemi.com
3
MAXIMUM RATINGS
Symbol Rating Value Unit
BST Bootstrap Input −0.3, +40 V
RST Reset Input −0.3, +5.0 V
C_ramp Timing Capacitor Node (Note 1) −0.3, V
rampHL
V
I_ramp Regulation Current Input (Note 1) −0.3, Vcl V
V
DD
Supply Voltage −0.3, +20 V
R
q
JA
Thermal Resistance 180 °C/W
T
J
Operating Junction Temperature Range (Note 2) −40, +125 °C
T
Jmax
Maximum Junction Temperature 150 °C
T
Smax
Storage Temperature Range −65 to +150 °C
T
Lmax
Lead Temperature (Soldering, 10 s) 300 °C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. V
rampHL
and Vcl are the internal clamp levels of pins 4 and 5 respectively.
2. The maximum junction temperature should not be exceeded.
ELECTRICAL CHARACTERISTICS (V
DD
= 10 V, V
BST
= 25 V, T
J
from −25°C to +125°C, unless otherwise specified.)
Symbol
Characteristic Min Typ Max Unit
High−Side Output Stage
V
HS_H
High−Side Output Voltage in High State @ Isource = −100 mA 22.5 23.5 − V
V
HS_L
High−Side Output Voltage in Low State @ Isink = 100 mA − 0.9 1.5 V
I
source_HS
Current Capability of the High−Side Drive Output in High State − 0.5 − A
I
sink_HS
Current Capability of the High−Side Drive Output in Low State − 0.75 − A
t
r−HS
High−Side Output Voltage Rise Time from 0.5 V to 12 V (C
L
= 1.0 nF) − 25 − ns
t
f−HS
High−Side Output Voltage Fall Time from 20 V to 0.5 V (C
L
= 1.0 nF) − 25 − ns
T
LS−HS
Delay from Low−Side Gate Drive Low (High) to High−Side Drive High (Low) − 100 − ns
Low−Side Output Stage
V
LS_H
Low−Side Output Voltage in High State @ Isource = −500 mA 7.4 8.2 − V
V
LS_L
Low−Side Output Voltage in Low State @ Isink = 750 mA − 1.3 1.7 V
I
source_LS
Current Capability of the Low−Side Drive Output in High State − 0.5 − A
I
sink_LS
Current Capability of the Low−Side Drive Output in Low State − 0.75 − A
t
r−LS
Low−Side Output Voltage Rise Time from 0.5 V to 7.0 V (C
L
= 2.0 nF) − 25 − ns
t
f−LS
Low−Side Output Voltage Fall Time from 9.5 V to 0.5 V (C
L
= 2.0 nF) − 25 − ns
Ramp Control
I
charge
C_ramp Current
@ Ipin5 = 100 mA
@ Ipin5 = 1.5 mA
90
1400
102
1590
110
1800
mA
Vcl Pin5 Clamp Voltage @ Ipin5 = 1.5 mA 0.7 1.4 2.1 V
Vref
L
Ramp Control Reference Voltage, Vpin4 Falling 1.3 1. 5 1.7 V
Vref
H
Ramp Control Reference Voltage, Vpin4 Rising 2.25 2.5 2.75 V
V
rampHL
Ramp Voltage Maximum Value @ Ipin5 = 1.5 mA 3.2 3.6 4.2 V
V
rampLL
Ramp Voltage Low Voltage @ Ipin5 = 1.5 mA − − 100 mV