LM2724A National Semiconductor, LM2724A Datasheet - Page 4

• Manufacturer Part Number: LM2724A
• Description: High Speed 3A Synchronous MOSFET Driver
• Manufacturer: National Semiconductor

www.national.com
POWER SUPPLY
I
TOP DRIVER
t
t
t
t
BOTTOM DRIVER
t
t
t
t
LOGIC
V
V
V
V
V
I
q_op
4
6
3
5
8
2
7
1
leak_SYNC
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
LM2724A
V
T
uvlo_up
uvlo_dn
uvlo_hys
IH_SYNC
IL_SYNC
V
BOOT to SW
BOOT to GND (Note 2)
SW to GND
Junction Temperature
Power Dissipation
(Note 3)
CC
A
CC
Symbol
= T
= BOOT = SYNC = 5V, SW = GND = 0V, unless otherwise specified. Typicals and limits appearing in plain type apply for
J
= +25˚C. Limits appearing in boldface type apply over the entire operating temperature range.
Operating Quiescent
Current
Peak Pull-Up Current
Pull-Up Rds_on
Peak Pull-down Current
Pull-down Rds_on
Rise Time
Fall Time
Pull-Up Dead Time
Pull-Down Delay
Peak Pull-Up Current
Pull-up Rds_on
Peak Pull-down Current
Pull-down Rds_on
Rise Time
Fall Time
Pull-up Dead Time
Pull-down Delay
V
Under-Voltage-Lock-Out
Upper Threshold
V
Under-Voltage-Lock-Out
Lower Threshold
V
Under-Voltage-Lock-Out
Hysteresis
SYNC Pin High Input
SYNC Pin Low Input
SYNC Pin Leakage
Current
CC
CC
CC
Parameter
720mW (SO-8)
3.2W (LLP-8)
Condition
IN = 0V
I
I
Timing Diagram, C
3.3nF
Timing Diagram
Timing Diagram, from IN
Falling Edge
I
I
Timing Diagram, C
3.3nF
Timing Diagram
Timing Diagram
V
5V
VCC falls from 5V toward
0V
V
SYNC = 5V, Sink Current
SYNC = 0V, Source Current
BOOT
SW
VCC
GND
(Note 1)
CC
CC
= I
+150˚C
rises from 0V toward
falls from 5V toward 0V
= I
= I
= I
HG
35V
30V
LG
LG
7V
7V
HG
= 0.3A
= 0.3A
= 0.3A
= 0.3A
4
LOAD
LOAD
Operating Ratings
Storage Temperature
ESD Susceptibility
Soldering Time, Temperature
V
Junction Temperature Range
CC
Human Body Model (Note 4)
=
=
55%
Min
2.5
−3.2
Typ
145
3.0
1.2
0.5
3.2
1.1
3.2
0.6
0.8
17
12
19
27
17
14
22
13
(Note 1)
Max
25%
195
10
−65˚C to 150˚C
4
2
-40˚C to 125˚C
10sec., 300˚C
4.3V to 6.8V
2.0 kV
Units
V
µA
µA
ns
ns
ns
ns
ns
ns
ns
ns
Ω
Ω
Ω
Ω
A
A
A
A
V
V
V
CC