Texas Instruments LM3409 Demonstration Board LM3409EVAL/NOPB LM3409EVAL/NOPB Datenbogen
Produktcode
LM3409EVAL/NOPB
SNVS602J – MARCH 2009 – REVISED MAY 2013
Electrical Characteristics LM3409/09N/09Q/09HV/09QHV (continued)
V
IN
= 24V unless otherwise indicated. Typicals and limits appearing in plain type apply for T
A
= T
J
= +25°C
. Limits
appearing in boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are
specified by design, test, or statistical analysis.
specified by design, test, or statistical analysis.
Symbol
Parameter
Conditions
Min
(2)
Typ
(1)
Max
(2)
Units
R
PGATE
Driver output resistance
Sourcing 50 mA
2
Ω
Sinking 50 mA
2
VCC REGULATOR
V
CC
VIN pin voltage - VCC pin
V
IN
> 9V
5.5
6
6.5
V
voltage
0 < I
CC
< 20 mA
V
CC-UVLO
V
CC
under voltage lockout
V
CC
increasing
3.73
V
threshold
V
CC-HYS
V
CC
UVLO hysteresis
V
CC
decreasing
283
mV
I
CC-LIM
V
CC
regulator current limit
30
45
mA
OFF-TIMER AND ON-TIMER
V
OFT
Off-time threshold
1.122
1.243
1.364
V
t
D-OFF
COFF threshold to PGATE
25
ns
falling delay
t
ON-MIN
Minimum on-time
115
211
ns
t
OFF-MAX
Maximum off-time
300
µs
UNDER VOLTAGE LOCKOUT
I
UVLO
UVLO pin current
V
UVLO
= 1V
10
nA
V
UVLO-R
Rising UVLO threshold
1.175
1.243
1.311
V
I
UVLO-HYS
UVLO hysteresis current
22
µA
ENABLE
I
EN
EN pin current
10
nA
V
EN-TH
EN pin threshold
V
EN
rising
1.74
V
V
EN
falling
.5
V
EN-HYS
EN pin hysteresis
420
mV
t
EN-R
EN pin rising delay
EN rise - PGATE fall
42
ns
t
EN-F
EN pin falling delay
EN fall - PGATE rise
21
ns
THERMAL RESISTANCE
θ
JA
Junction to Ambient
VSSOP-10 Package
(4)
50
°C/W
PDIP-14 Package
87
θ
JC
Junction to Case
VSSOP-10 Package
(4)
15
PDIP-14 Package
37
(4)
Measured with DAP soldered to a minimum of 2 square inches of 1oz. copper on the top or bottom PCB layer. Actual value will be
different depending upon the application environment.
different depending upon the application environment.
4
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