RCDE-48-1.05 [RECOM]
Constant Current Buck LED Driver;型号: | RCDE-48-1.05 |
厂家: | RECOM INTERNATIONAL POWER |
描述: | Constant Current Buck LED Driver |
文件: | 总7页 (文件大小:880K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
• Low cost buck LED driver
• 6-60V input
• Constant current output (350, 700 or 1050mA)
• Digital PWM and analog voltage dimming
• High efficiency up to 97%
• No internal E-Caps
Features
dimmable
LED
DC/DC Converter
Driver
RCDE-48
• RoHS2 conform
Description
Constant
The RCDE-48 series is a step-down constant current source designed for driving high power LED
applications from 12V, 24V or 48V nominal input voltages. 350, 700 or 1050mA output currents are
available as standard. The input voltage range is from 6V up to 60VDC with UVLO. These high efficiency
buck drivers have digital PWM and/or analog voltage dimming control which is capable of being
controlled by 3.3V logic. The dimming input can also be used as an CTRL pin. Typical application is a
48V powered lighting solution for up to 15 high brightness LEDs in series.
Current
Buck
LED Driver
Selection Guide
Part
Input
Voltage Range
[VDC]
Output
Voltage Range
[VDC]
Output
Current
[mA]
Efficiency
typ. (1)
Dimming
Control
Number
[%]
RoHS2
+
REACH
compliant
compliant
RCDE-48-0.35
RCDE-48-0.70
RCDE-48-1.05
6-60
6-60
6-60
3-52
3-52
3-52
0-350
0-700
97
97
97
Analog and PWM
Analog and PWM
Analog and PWM
10 from 10
0-1050
All LED Drivers may not be used without a load. They must be switched on the primary side only.
Noncompliance may damage the LED or reduce its lifetime.
Notes:
Note1: Efficiency is tested at nominal input and 15 LEDs (15 x VF 3VDC = 45VDC) at +25°C ambient
Model Numbering
RCDE-48-
nom. Input Voltage
Output Current
Ordering Examples
RCDE-48-0.70
6-60 Vin 3-52Vout 0-700mA Analog and PWM Dimming
www.recom-power.com
REV.: 0/2020
L-1
RCDE-48
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
Series
BASIC CHARACTERISTICS
Parameter
Condition
Min.
Typ.
Max.
Internal Input Filter
Input Voltage Range
capacitor
nom Vin= 48VDC
6VDC
48VDC
60VDC
5.6VDC
5.3VDC
DC-DC ON
DC-DC OFF
Under Voltage Lockout (UVLO)
nom. Vin= 48VDC
Standby Current
nom. Vin= 48VDC
DC-DC OFF
5mA
550kHz
Internal Operating Frequency
210kHz
RCDE-48-0.35
RCDE-48-0.70
RCDE-48-1.05
RCDE-48-0.35
RCDE-48-0.70
RCDE-48-1.05
100mAp-p
200mAp-p
320mAp-p
200mVp-p
300mVp-p
400mVp-p
Output Ripple Current
20MHz BW
20MHz BW
Output Ripple Noise
Reflected Back Ripple Current
Dropout Voltage
50mAp-p
RCDE-48-0.35
RCDE-48-0.70
RCDE-48-1.05
1VDC
1.5VDC
2VDC
refer to “DROPOUT VOLTAGE”
for detailed information
3VDC
RCDE-48-0.35
Efficiency vs. Load
Dropout Voltage vs. Load
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Output Load [Number of Diodes]
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Output Load [Number of Diodes]
RCDE-48-0.70
Efficiency vs. Load
Dropout Voltage vs. Load
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Output Load [Number of Diodes]
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Output Load [Number of Diodes]
continued on next page
www.recom-power.com
REV.: 0/2020
L-2
RCDE-48
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
Series
RCDE-48-1.05
Efficiency vs. Load
Dropout Voltage vs. Load
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Output Load [Number of Diodes]
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Output Load [Number of Diodes]
DROPOUT VOLTAGE
Dropout voltage is the smallest difference between a regulators input and its
output voltage, which is required to maintain regulation and enable the regulator
to provide rated output voltage or current.
+Vin
LED+
Vin
Vout
= input voltage
= output voltage
Example:
Vdropout = 3VDC max.
nLED = 11 LEDs
VF max. = 3VDC
Vin
Vout
RCDE-48-xx
Vdropout = dropout voltage
nLED = number of LEDs
VF max. = forward voltage
-Vin
LED-
Vdropout
Vout max. = Vin - Vdropout
Vin min. = 11 x 3+ 3
Vin min. = nLED x VF max. + Vdropout
Vin min. = 36VDC
REGULATIONS
Parameter
Output Current Accuracy
Output Current Stability
Condition
Value
7.0ꢀ max.
2.0ꢀ typ.
Deviation vs. Load
RCDE-48-0.35
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ꢇꢇ
Output Load [Number of Diodes]
www.recom-power.com
REV.: 0/2020
L-3
RCDE-48
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
Series
Deviation vs. Load
RCDE-48-0.70
RCDE-48-1.05
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Output Load [Number of Diodes]
Output Load [Number of Diodes]
ANALOG DIMMING CONTROL (leave open if not used - do not tie to +Vin)
Parameter
Condition
Value
low line, DC-DC OFF
high line, DC-DC ON
0VDC to 0.3VDC
3VDC to 12VDC
Input Voltage Limits
Control Voltage Range
Pin Drive Current
20ꢀ to 100ꢀ
0.3VDC to 2.5VDC
1mA max.
Analog
Vc= 5VDC
Analog Dimming
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Analogue Dimming Control [VDC]
Analog Dimming Application 1-10VDC
VDim
+Vin
LED+
LED-
+Vin
R1
DLED1
DLEDn
VDim
R1
R2
Dim/CTRL
RCDE-48-xx
1 - 10VDC
20kΩ
10kΩ
R2
-Vin
GND
GND
www.recom-power.com
REV.: 0/2020
L-4
RCDE-48
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
Series
PWM DIMMING AND ON/OFF CTRL (leave open if not used - do not tie to +Vin)
Parameter
Condition
Value
low line, DC-DC OFF
high line, DC-DC ON
0VDC to 0.3VDC
3VDC to 12VDC
Input Voltage Limits
Dimming Voltage Range
Pin Drive Current
0ꢀ to 100ꢀ
0ꢀ - 100ꢀ, duty cycle
1mA max.
ON/OFF CTRL
Vc= 5VDC
for linear operation
frequency limit
200Hz - 1kHz
10kHz max.
PWM Frequency
PWM Dimming
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PWM Dimming [%]
ꢂꢀ ꢅꢀ ꢁꢀꢀ
PWM Dimming [%]
PROTECTIONS
Parameter
Type
Value
Over Temperature Protection (OTP)
case temperature
115°C typ., 10°C
ENVIRONMENTAL
Parameter
Operating Temperature Range
Maximum Case Temperature
Temperature Coefficient
Thermal Impedance
Operating Altitude
Condition
@ natural convection 0.1m/s
Value
refer to “Derating Graph”
105°C
0.06ꢀ/K typ.
32K/W
5000m
Operating Humidity
non-condensing
95ꢀ RH
1830 x 10³ hours
1730 x 10³ hours
according to MIL-HDBK-
217F, G.B.
+25°C
+40°C
MTBF
continued on next page
www.recom-power.com
REV.: 0/2020
L-5
RCDE-48
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
Series
Derating Graph
(@ Chamber and natural convection 0.1m/s)
RCDE-48-0.35
RCDE-48-0.70
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Ambient Temperature [°C]
Ambient Temperature [°C]
RCDE-48-1.05
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Ambient Temperature [°C]
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
RoHS2+
Report Number
Standard
RoHS 2011/65/EU + AM2015/863
EMC Compliance
Condition
Standard / Criterion
Limits and Methods of Measurement of Radio Disturbance Characteristics
of Electrical Lighting and Similar Equipment
with external filter
EN55015
www.recom-power.com
REV.: 0/2020
L-6
RCDE-48
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin and 15 LEDs (15*3V=45V) unless otherwise stated)
Series
DIMENSION AND PHYSICAL CHARACTERISTICS
Parameter
Type
case, baseplate
potting
Value
non-conductive black plastic, (UL94 V-0)
silicone, (UL94 V-0)
Material
PCB
FR4, (UL94 V-0)
Dimension (LxWxH)
Weight
32.1 x 20.6 x 12.3mm
16.0g typ.
Dimension Drawing (mm)
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tc
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Pin Connections
#
1, 2
Function
-Vin
Description
-DC supply
11, 12
13, 14
22
LED-
LED+
Dim/CTRL
+Vin
LED cathode connection
LED anode connection
leave open if not used
+DC supply
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23, 24
Recommended Footprint Details
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ꢅꢂꢍꢆ
tc= case temperature measuring point
Tolerance: xx.x= ±±.ꢀmm
xx.xx= ±±.2ꢀmm
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INSTALLATION AND APPLICATION
Connection
+Vin
LED+
LED-
+Vin
SW2
DꢀꢁDꢂ
DꢀꢁDn
Notes:
Note2: Do not connect LED+ with +Vin and LED- with -Vin
Dim/CTRL
VDim
-Vin
RCDE-48-xx
SW1
-Vin
PACKAGING INFORMATION
Parameter
Type
Value
Packaging Dimension (LxWxH)
Packaging Quantity
tube
512.9 x 22.2 x 20.9mm
14pcs
Storage Temperature Range
Storage Humidity
-55°C to +125°C
95ꢀ RH max.
non-condensing
The product information and specifications may be subꢀect to changes even without prior written notice.The product has been designed for various applicationsꢁ its suitability lies in the responsibility of each customer. The
products are not authorized for use in safety-critical applications without RECOMꢂs explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause
loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized
use of RECOM products in such safety-critical applications.
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REV.: 0/2020
L-7
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