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LMD18245 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No. de pieza LMD18245
Descripción Electrónicos  3A, 55V DMOS Full-Bridge Motor Driver
PDF  18 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LMD18245 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
DC Voltage at:
OUT 1, V
CC, and OUT 2
+60V
COMP OUT, RC, M4, M3, M2, M1, BRAKE,
+12V
DIRECTION, CS OUT, and DAC REF
DC Voltage PGND to SGND
±400mV
Continuous Load Current
3A
Peak Load Current (Note 2)
6A
Junction Temperature (T
J(max))
+150˚C
Power Dissipation (Note 3) :
TO-220 (T
A = 25˚C, Infinite Heatsink)
25W
TO-220 (T
A = 25˚C, Free Air)
3.5W
ESD Susceptibility (Note 4)
1500V
Storage Temperature Range (T
S)
−40˚C to +150˚C
Lead Temperature (Soldering, 10 seconds)
300˚C
Operating Conditions (Note 1)
Temperature Range (T
J) (Note 3)
−40˚C to +125˚C
Supply Voltage Range (V
CC)
+12V to +55V
CS OUT Voltage Range
0V to +5V
DAC REF Voltage Range
0V to +5V
MONOSTABLE Pulse Range
10 µs to 100 ms
Electrical Characteristics (Note 2)
The following specifications apply for V
CC = +42V, unless otherwise stated. Boldface limits apply over the operating tem-
perature range, −40˚C
≤ T
J ≤ +125˚C. All other limits apply for TA = TJ = 25˚C.
Symbol
Parameter
Conditions
Typical
Limit
Units
(Note 5)
(Note 5)
(Limits)
I
CC
Quiescent Supply Current
DAC REF = 0V, V
CC = +20V
8
mA
15
mA (max)
POWER OUTPUT STAGE
R
DS(ON)
Switch ON Resistance
I
LOAD = 3A
0.3
0.4
Ω (max)
0.6
Ω (max)
I
LOAD = 6A
0.3
0.4
Ω (max)
0.6
Ω (max)
V
DIODE
Body Diode Forward Voltage
I
DIODE = 3A
1.0
V
1.5
V(max)
T
rr
Diode Reverse Recovery Time
I
DIODE = 1A
80
ns
Q
rr
Diode Reverse Recovery Charge
I
DIODE = 1A
40
nC
t
D(ON)
Output Turn ON Delay Time
Sourcing Outputs
I
LOAD = 3A
5
µs
Sinking Outputs
I
LOAD = 3A
900
ns
t
D(OFF)
Output Turn OFF Delay Time
Sourcing Outputs
I
LOAD = 3A
600
ns
Sinking Outputs
I
LOAD = 3A
400
ns
t
ON
Output Turn ON Switching Time
Sourcing Outputs
I
LOAD = 3A
40
µs
Sinking Outputs
I
LOAD = 3A
1
µs
t
OFF
Output Turn OFF Switching Time
Sourcing Outputs
I
LOAD = 3A
200
ns
Sinking Outputs
I
LOAD = 3A
80
ns
t
pw
Minimum Input Pulse Width
Pins 10 and 11
2
µs
t
DB
Minimum Dead Band
(Note 6)
40
ns
CURRENT SENSE AMPLIFIER
Current Sense Output
I
LOAD = 1A (Note 7)
200
µA (min)
250
175
µA (min)
300
µA (max)
325
µA (max)
Current Sense Linearity Error
0.5A
≤ I
LOAD ≤ 3A (Note 7)
±6
%
±9
%(max)
Current Sense Offset
I
LOAD = 0A
5
µA
20
µA (max)
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