LM3404MA National Semiconductor, LM3404MA Datasheet - Page 5

• Manufacturer Part Number: LM3404MA
• Description: DRIVER, LED, 1A, POWERWISE, SO-8, 3404
• Manufacturer: National Semiconductor

Specifications of LM3404MA

• Led Driver Application: Automotive, Industrial Lighting
• No. Of Outputs: 1
• Output Current: 1.2A
• Output Voltage: 40V
• Input Voltage: 6V To 42V
• Dimming Control Type: PWM
• Operating: RoHS Compliant
• Topology: Buck

Electrical Characteristics
for T
max specification limits are guaranteed by design, test, or statistical analysis.
LM3404
LM3404HV
LM3404/LM3404HV
SYSTEM PARAMETERS
SYSTEM PARAMETERS
REGULATION AND OVER-VOLTAGE COMPARATORS
V
V
I
SHUTDOWN
V
V
OFF TIMER
t
INTERNAL REGULATOR
V
V
V
V
V
V
V
V
V
V
V
I
I
CURRENT LIMIT
I
CS
OFF-MIN
IN-OP
IN-SD
LIM
REF-REG
REF-0V
SD-TH
SD-HYS
CC-REG
IN-DO
CC-BP-TH
CC-BP-HYS
CC-Z-6
CC-Z-8
CC-Z-24
CC-LIM
CC-UV-TH
CC-UV-HYS
CC-UV-DLY
A
Symbol
Symbol
= T
Symbol
t
t
t
t
ON-1
ON-2
ON-1
ON-2
J
= +25°C.
On-time 1
On-time 2
(Note
On-time 1
On-time 2
CS Regulation Threshold
CS Over-voltage Threshold
CS Bias Current
Shutdown Threshold
Shutdown Hysteresis
Minimum Off-time
V
V
V
V
V
(0 mA < I
V
V
Threshold
V
Hysteresis
V
Filter Delay
I
I
Current Limit Threshold
IN
IN
CC
IN
CC
CC
CC
CC
CC
CC
CC
Operating Current
Shutdown Current
- V
Regulated Output
Bypass Threshold
Bypass Hysteresis
Output Impedance
Current Limit (Note 3)
Under-voltage Lock-out
Under-voltage Lock-out
Under-voltage Lock-out
4) Limits appearing in boldface type apply over full Operating Temperature Range. Datasheet min/
CC
Parameter
Parameter
CC
Parameter
< 5 mA)
V
IN
= 24V unless otherwise indicated. Typicals and limits appearing in plain type apply
V
V
V
V
CS Decreasing, SW turns on
CS Increasing, SW turns off
CS = 0V
R
R
CS = 0V
I
V
V
V
V
V
V
V
V
100 mV Overdrive
Non-switching, CS = 0.5V
RON / SD = 0V
CC
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
CC
CC
ON
ON
= 10V, R
= 70V, R
= 10V, R
= 40V, R
= 5 mA, 6.0V < V
Increasing
Decreasing
= 6V
= 8V
= 24V
= 24V, V
Increasing
Decreasing
/ SD Increasing
/ SD Decreasing
5
ON
ON
ON
ON
CC
Conditions
Conditions
Conditions
= 200 kΩ
= 200 kΩ
= 200 kΩ
= 200 kΩ
= 0V
IN
< 8.0V
Min
325
Min
515
2.1
Min
2.1
194
0.3
6.4
1.2
2.75
2.75
Typ
Typ
415
675
Typ
200
300
270
300
230
150
625
0.1
0.7
8.8
0.4
5.3
1.5
40
55
50
16
95
7
3
Max
Max
Max
1.05
835
505
206
900
180
3.4
3.4
7.4
1.8
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Units
Units
Units
mV
mV
mV
mV
mV
mA
mV
µA
µA
µA
ns
µs
µs
ns
µs
ns
Ω
V
V
V
V
A