LM3405XMK/NOPB National Semiconductor, LM3405XMK/NOPB Datasheet - Page 4
![IC LED DRVR HP CONST CURR TSOT-6](/photos/6/60/66084/pkg_mk06a_sml.jpg)
LM3405XMK/NOPB
Manufacturer Part Number
LM3405XMK/NOPB
Description
IC LED DRVR HP CONST CURR TSOT-6
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
High Power, Constant Currentr
Datasheet
1.LM3405XMKNOPB.pdf
(20 pages)
Specifications of LM3405XMK/NOPB
Constant Current
Yes
Topology
PWM, Step-Down (Buck)
Number Of Outputs
1
Internal Driver
Yes
Type - Primary
Flash/Torch
Type - Secondary
High Brightness LED (HBLED), White LED
Frequency
1.2MHz ~ 1.9MHz
Voltage - Supply
3 V ~ 15 V
Mounting Type
Surface Mount
Package / Case
TSOT-23-6, TSOT-6
Operating Temperature
-40°C ~ 125°C
Current - Output / Channel
1A
Internal Switch(s)
Yes
Efficiency
92%
For Use With
LM3405XEVAL - BOARD EVALUATION LM3405X
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Other names
LM3405XMKTR
www.national.com
Typical Performance Characteristics
T
A
= 25°C.
Efficiency vs Input Voltage (I
Efficiency vs LED Current
V
FB
vs Temperature
F
= 0.7A)
20178973
20178932
20178927
4
Unless otherwise specified, V
Efficiency vs Input Voltage (I
Oscillator Frequency vs Temperature
Efficiency vs Input Voltage (I
IN
= 12V, V
BOOST
F
F
= 0.35A)
= 1A)
- V
SW
20178931
20178933
20178936
= 5V and