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LD24E-17-700 데이터시트(PDF) 2 Page - MicroPower Direct, LLC

부품명 LD24E-17-700
상세설명  Low Cost, PWM Control Constant Current Output DC/DC LED Drivers
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제조업체  MPD [MicroPower Direct, LLC]
홈페이지  http://www.micropowerdirect.com
Logo MPD - MicroPower Direct, LLC

LD24E-17-700 데이터시트(HTML) 2 Page - MicroPower Direct, LLC

  LD24E-17-700 Datasheet HTML 1Page - MicroPower Direct, LLC LD24E-17-700 Datasheet HTML 2Page - MicroPower Direct, LLC  
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Specification Notes:
1. Exceeding 40V on the unit input could damage the unit.
2. No connection should be made between input ground and the
output.
3. These are step-down devices, the maximum output open voltage
is equal to the input voltage.
4. The PWM/Cont input (Pin 3) should be left open if not used.
5. Exceeding the specified maximum output power could cause damage
to the unit.
PWM Output Current Control
Output current may be
adjusted by using a
pulse width modulated
(PWM) signal. By vary-
ing the signal duty cycle
(as shown at right)
the output current is
adjusted up or down.
Output current may be calculated by the formula:
Where Iout = Required output current
Irated = Full rated output current for the unit
Dpwm = Duty cycle of the control signal
OUT
RATED
PWM
I
= I
x D
Mechanical Dimensions
www.micropowerdirect.com
MicroPower Direct
We Power Your Success - For Less!
292 Page Street Ste D Stoughton, MA 02072
TEL: (781) 344-8226
FAX: (781) 344-8481
E-Mail: sales@micropowerdirect.com
Notes:
All dimensions are typical in inches (mm)
Tolerance x.xx = ±0.01 (±0.25)
Pin 1 is marked by a “dot” or indentation on the top of the unit
Pin Connections
Pin
Function
1+VIN
+DC Supply
3
PWM
PWM, On/Off
4
Gnd
-DC Supply
5-VOUT LED Cathode Conn.
6
+Vout
LED Anode Conn.
Connection Notes:
1. In some noise sensitive applications, the addition of the
input filter components (C1, L1 & C2) will help to reduce
conducted emissions.
2. Input gnd (Pin 4) cannot be connected to the output.
3. If not being used, the PWM/Control input (Pin 3) should
be left open.
Typical Connection: Parallel Output
Typical Connection:
Model
Number
Input
Output
Dimming
Control
Efficiency
(%, Max)
Voltage (VDC)
Voltage
(VDC)
Current
(mA)
Nominal
Range
LD24E-07-300
24
5.5 - 36.0
2.0 - 32.0
0.0 - 300
PWM
95
LD24E-08-350
24
5.5 - 36.0
2.0 - 32.0
0.0 - 350
PWM
95
LD24E-12-500
24
5.5 - 36.0
2.0 - 32.0
0.0 - 500
PWM
95
LD24E-14-600
24
5.5 - 36.0
2.0 - 32.0
0.0 - 600
PWM
95
LD24E-17-700
24
5.5 - 36.0
2.0 - 32.0
0.0 - 700
PWM
95
Model Selection Guide
Connection Notes:
1. A positive temperature coefficient PTC is connected to
each parallel channel for protection.


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