Texas Instruments LM3402HV Evaluation Board LM3402HVEVAL/NOPB LM3402HVEVAL/NOPB 데이터 시트

제품 코드
LM3402HVEVAL/NOPB
다운로드
페이지 38
GND
DIM
BOOT
SW
CS
RON
LM3402/02HV
VIN
D1
L1
C
B
R
SNS
C
F
R
ON
C
IN
V
IN
I
F
VCC
SNVS450E – SEPTEMBER 2006 – REVISED MAY 2013
0.5A Constant Current Buck Regulator for Driving High Power LEDs
Check for Samples:
1
FEATURES
DESCRIPTION
The
LM3402/02HV
are
monolithic
switching
2
Integrated 0.5A N-channel MOSFET
regulators designed to deliver constant currents to
V
IN
Range from 6V to 42V (LM3402)
high power LEDs. Ideal for automotive, industrial, and
V
IN
Range from 6V to 75V (LM3402HV)
general lighting applications, they contain a high-side
N-channel MOSFET switch with a current limit of 735
500 mA Output Current Over Temperature
mA
(typical)
for
step-down
(Buck)
regulators.
Cycle-by-Cycle Current Limit
Hysteretic control with controlled on-time coupled with
No Control Loop Compensation Required
an external resistor allow the converter output voltage
to adjust as needed to deliver a constant current to
Separate PWM Dimming and Low Power
series and series - parallel connected arrays of LEDs
Shutdown
of varying number and type, LED dimming by pulse
Supports All-ceramic Output Capacitors and
width
modulation
(PWM),
broken/open
LED
Capacitor-less Outputs
protection,
low-power
shutdown
and
thermal
Thermal Shutdown Protection
shutdown complete the feature set.
VSSOP, SO PowerPAD Packages
APPLICATIONS
LED Driver
Constant Current Source
Automotive Lighting
General Illumination
Industrial Lighting
Typical Application
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.