LM3401MM/NOPB National Semiconductor, LM3401MM/NOPB Datasheet - Page 2
![IC LED DRIVER HIGH BRIGHT 8-MSOP](/photos/6/57/65756/pkg_mua08a_sml.jpg)
LM3401MM/NOPB
Manufacturer Part Number
LM3401MM/NOPB
Description
IC LED DRIVER HIGH BRIGHT 8-MSOP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
HBLED Driverr
Datasheet
1.LM3401MMNOPB.pdf
(18 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM3401MM/NOPB
Manufacturer:
NS/国半
Quantity:
20 000
www.national.com
Connection Diagram
Ordering Information
Pin Descriptions
Part Number
Pin #
LM3401MMX
LM3401MM
1
2
3
4
5
6
7
8
Pin Name
GND
SNS
HYS
DIM
ILIM
VIN
HG
CS
Current sense pin. Connect to the PFET drain
Dimming input pin. When DIM is low, the HG drive is off. Can be connected to a logic level PWM signal
Current feedback pin – to LED cathode. Connect a resistor from this pin to ground to set the DC LED
current
Hysteresis adjust pin. Connect a resistor from this pin to GND to set the hysteresis window
Ground pin
Gate drive output. Connect to the PFET gate
Power supply input
Current limit adjust pin. Connect a resistor from this pin to the PFET source to set the current limit threshold
Package Type
MSOP-8
8-Lead Plastic MSOP
NS Package Drawing
Top View
MUA08A
2
Description
30021402
1000 Units on Tape and Reel
3500 Units on Tape and Reel
Supplied As