NCP3065D3SLDGEVB ON Semiconductor, NCP3065D3SLDGEVB Datasheet

EVAL BOARD FOR NCP3065D3SLDG

NCP3065D3SLDGEVB

Manufacturer Part Number
NCP3065D3SLDGEVB
Description
EVAL BOARD FOR NCP3065D3SLDG
Manufacturer
ON Semiconductor

Specifications of NCP3065D3SLDGEVB

Design Resources
NCP3065D3SLDGEVB BOM NCP3065D3SLDGEVB Gerber Files NCP3065D3SLDGEVB Schematic
Current - Output / Channel
700mA
Outputs And Type
1, Non-Isolated
Voltage - Output
7 ~ 23 V
Voltage - Input
12V
Utilized Ic / Part
NCP3065
Core Chip
NCP3065
Topology
SEPIC
No. Of Outputs
1
Output Current
1A
Output Voltage
23V
Dimming Control Type
PWM
Development Tool Type
Hardware - Eval/Demo Board
Leaded Process Compatible
Yes
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
NCP3065D3SLDG
Other names
NCP3065D3SLDGEVBOS
November 2007, Rev.2
Circuit Description
power LEDs, such as the Cree XLAMP™
series, Lumileds Luxeon™ Rebel and K2 and
OSRAM, Golden and Platinum Dragon™ as
well as the OSTAR™. It is designed for such
wide input nominal 12 Vdc applications as
automotive and low voltage lighting (12
Vdc/12 Vac). An optional dimming PWM input
is included. The circuit is based on NCP3065
operation at 250 kHz in a non-isolated
configuration. The primary advantages of this
circuit are in the wide input voltage range,
wide output voltage range, and in its high
efficiency.
vary the slope of the oscillator ramp,
achieving duty cycle control and steady
switching frequency over a wide input voltage
range.
NCP3065
NCV3065
Device
This circuit is intended for driving high
A pulse feedback resistor (R8) is used to
Nominal Current
Output Voltage
Current Ripple
Max Current
Min Current
Automotive and
Marine Lighting
Application
Solid State,
Minimum Efficiency
High Brightness LED SEPIC Driver
0.35, 0.7 A
Output 1
7.2-23 V
Input Voltage
<15%
Other Specifications
N/A
1 A
8-25 V
DN06031/D
www.onsemi.com
Output 2
Key Features
Output Power
Buck-Boost operation
Wide input and output operation voltage
Regulated output current
Dimming
High frequency operation
Minimal input and output current ripple
Open LED protection
Output short circuit protection
N/A
N/A
N/A
N/A
N/A
<15 W
Design Note – DN06031/D
70%
Output 3
N/ A
Topology
N/A
N/A
N/A
N/A
SEPIC
I/O Isolation
Output 4
NONE
N/A
N/A
N/A
N/A
N/A
1

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NCP3065D3SLDGEVB Summary of contents

Page 1

Device Application Solid State, NCP3065 Automotive and NCV3065 Marine Lighting Output Voltage Current Ripple Nominal Current Max Current Min Current Minimum Efficiency Circuit Description This circuit is intended for driving high power LEDs, such as the Cree XLAMP™ series, Lumileds ...

Page 2

Schematic Design Notes A SEPIC (single-ended primary inductance converter) is distinguished by the fact that its input voltage range can overlap the output voltage range. The basic schematic is shown in Figure 2. When switch SW is ON, energy from ...

Page 3

For a 0.35 A output current variant of this circuit, the values of inductors are The nearest coupled inductor value for the 0.7 A variant is 15 μH. A variant with 0.35 A output current needs to use inductors with ...

Page 4

The C4 coupling capacitor is selected based on input voltage and on current RMS and its minimal value is The output capacitor’s current is > The value could be much larger for ...

Page 5

PC Board November 2007, Rev.2 DN06031/D Figure 3 – components position on PCB Figure 4 – PCB’s top side www.onsemi.com 5 ...

Page 6

November 2007, Rev.2 DN06031/D Figure 5 – PCB’s bottom side www.onsemi.com 6 ...

Page 7

November 2007, Rev.2 DN06031/D www.onsemi.com 7 ...

Page 8

Measurements NCP3065 SEPIC Converter - Line regulation, I 0,400 0,390 0,380 0,370 0,360 0,350 0,340 0,330 0,320 0,310 0,300 NCP3065 SEPIC Converter - Efficiency November ...

Page 9

NCP3065 SEPIC Converter - Line regulation, I 0,800 0,780 0,760 0,740 0,720 0,700 0,680 0,660 0,640 0,620 0,600 NCP3065 SEPIC Converter - Efficiency November 2007, Rev.2 ...

Page 10

NCP3065 SEPIC Converter - Dimming Linearity 700 600 500 400 300 200 100 Figure 10 – Dimming linearity, dimming frequency 200Hz November 2007, Rev.2 DN06031 D[%] Figure 11 – PCB’s top side www.onsemi.com ...

Page 11

... Disclaimer: ON Semiconductor is providing this design note “AS IS” and does not assume any liability arising from its use; nor does ON Semiconductor convey any license to its or any third party’s intellectual property rights. This document is provided only to assist customers in evaluation of the referenced circuit implementation and the recipient assumes all liability and risk associated with its use, including, but not limited to, compliance with all regulatory standards ...

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