LM3401MM/NOPB National Semiconductor, LM3401MM/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM3401MM/NOPB
• Description: IC LED DRIVER HIGH BRIGHT 8-MSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: HBLED Driverr

Specifications of LM3401MM/NOPB

• Constant Current: Yes
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: General Purpose
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 1.5MHz
• Voltage - Supply: 4.5 V ~ 35 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 92%
• Operating Supply Voltage (typ): 5/9/12/15/18/24V
• Number Of Segments: 1
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Package Type: MSOP
• Pin Count: 8
• Mounting: Surface Mount
• Power Dissipation: 660mW
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 35V
• For Use With: LM3401EVAL - BOARD EVALUATION FOR LM3401
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: LM3401MMTR

SYSTEM
DRIVER
ΔV
SNS
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
apply over the junction temperature (T
limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at
T
Note 1: Absolute Maximum Ratings indicate limits beyond which damage may occur to the device. Operating Ratings indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications, see Electrical Characteristics.
Note 2: The human body model is a 100 pF capacitor discharged through a 1.5 kΩ resistor into each pin.
Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, T
and the ambient temperature, T
maximum power dissipation of 0.66W is determined using T
θ
Note 4: All room temperature limits are 100% production tested. All limits at temperature extremes are guaranteed through correlation using standard Statistical
Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
Note 5: IQ specifies the current into the VIN pin and applies to non-switching operation.
VIN
CS
SNS
ILIM
DIM
HYS
Storage Temperature
JA
J
Ton_min
Symbol
V
REF
UVLO
= 25°C, and are provided for reference purposes only (Note 4).
spec is based on a JEDEC standard 4-layer board.
V
T
CL_OFF
T
V
I
I
R
V
I
V
I
HYS
SNS
ILIM
HYS_MU
REF
I
DLY
HG
DIM
DIM
HG
HG
Q
ZC
/ ΔV
IN
Parameter
Reference Voltage
Line regulation
Operating VIN Current (Note 5)
Hysteresis Pin Source Current
SNS Comparator Hysteresis Multiplier
SNS Comparator to HG Delay
DIM to HG Delay
ILIM Pin Sink Current
Current Limit Comparator Offset
Zero Cross Comparator Threshold
DIM Threshold Voltage
Hysteresis
SNS pin Bias Current
UVLO threshold
Hysteresis
Minimum on-time
Gate Drive Resistance
Driver Output Current
HG on voltage
A
. The maximum allowable power dissipation at any ambient temperature is calculated using: P
J
) range of -40°C to +125°C. Unless otherwise stated, V
-65°C to +150°C
Specifications in standard type are for T
-0.3V to 36V
-2.0V to 36V
-0.3V to 36V
-0.3V to 36V
(Note 1)
-0.3V to 8V
-0.3V to 4V
A
= 25°C, θ
JA
Conditions
5V < VIN < 35V
HYS pin = 50 mV to 500 mV
HYS pin = 250 mV
SNS rising
DIM rising
Measured at CS pin
V
Vin rising
Source Current = 100 mA
Sink Current = 100 mA
Source, HG = VIN -2.5V
Sink, HG = VIN -2.5V
Referenced to VIN, steady state voltage
SNS
= 151°C/W, and T
= 200 mV
3
Operating Ratings
Lead Temperature
ESD Rating (Note 2)
Human Body Model
VIN
Junction Temperature Range
Thermal Resistance θ
Power Dissispation (Note 3)
Vapor Phase (60sec)
Infrared (15sec)
J_MAX
= 125°C. θ
J_MAX
J
= 25°C only, and limits in boldface type
JA
, the junction-to-ambient thermal resistance, θ
will vary with board size and copper area. The
JA
(Note 3)
IN
= 24V. Minimum and Maximum
0.168
1.85
(Note 1)
Min
188
-4.2
-10
-70
15
4
D_MAX
= (T
0.002
-130
1.05
0.20
10.5
0.41
0.33
Typ
-4.7
200
286
300
150
5.5
2.0
4.3
0.5
5.3
20
46
69
0
J_MAX
-40°C to +125°C
- T
4.5V to 35V
0.224
www.national.com
-200
Max
2.25
4.48
-5.5
212
120
+10
780
25
80
A
151°C/W
8
)/θ
JA
0.66W
215°C
2.5kV
220C
. The
Units
mV/V
mV
mA
mV
mV
mV
JA
µA
µA
nA
ns
ns
ns
V
V
V
Ω
Ω
A
A
V
-
,