NCV3066 ON Semiconductor, NCV3066 Datasheet

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NCV3066

Manufacturer Part Number
NCV3066
Description
Manufacturer
ON Semiconductor
Datasheet

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NCP3066, NCV3066
Up to 1.5 A Constant
Current Switching
Regulator for LEDs with
ON/OFF Function
deliver constant current for powering high brightness LEDs. The
device has a very low feedback voltage of 235 mV (nominal) which is
used to regulate the average current of the LED string. In addition, the
NCP3066 has a wide input voltage up to 40 V to allow it to operate
from a 12 Vac or a 12−36 Vdc supply, commonly used for lighting
applications as well as unregulated supplies such as rechargeable
batteries. The NCP3066 switching regulator can be configured in
Step−Down (Buck), Step−Up (Boost) and Voltage−Inverting
topologies with a minimum number of external components. The
ON/OFF pin provides PWM dimming capability or a low power
shutdown mode.
Features
Applications
ON/OFF
© Semiconductor Components Industries, LLC, 2009
January, 2009 − Rev. 3
The NCP3066 is a monolithic switching regulator designed to
and Control Changes
Integrated 1.5 A Switch
Input Voltage Range from 3.0 V to 40 V
Logic Level Shutdown Capability
Low Feedback Voltage of 235 mV
Cycle−by−Cycle Current Limit
No Control Loop Compensation Required
Frequency of Operation Adjustable up to 250 kHz
Analog and Digital PWM Dimming Capability
Internal Thermal Shutdown with Hysteresis
NCV Prefix for Automotive and Other Applications Requiring Site
These are Pb−Free Devices
Automotive and Marine Lighting
Constant Current Source, High Brightness LED Driver
Low Voltage and Landscape Lighting
GND
V
CC
R
sense
C
IN
Figure 1. Typical Buck Application Circuit
Ç
Ç Ç Ç Ç
Ç Ç Ç
ON/OFF
V
Ipk
COMP
CC
NCP3066
SWC
SWE
GND
Ç Ç
Ç Ç Ç Ç Ç Ç Ç Ç
Ç Ç Ç Ç Ç Ç
CT
C
T
D
1
L
C
1
OUT
1
R
LED
LED
s
1
n
LED+
LED−
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
(Note: Microdot may be in either location)
8
P, P1 SUFFIX
CASE 488AF
8
MN SUFFIX
NCP3066
A
L, WL
Y, YY
W, WW
G or G
D SUFFIX
CASE 751
CASE 626
SOIC−8
PDIP−8
ORDERING INFORMATION
1
1
DFN8
1
http://onsemi.com
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
Publication Order Number:
1
DIAGRAMS
MARKING
ALYWG
NCP3066
3066
ALYWG
3066
YYWWG
G
NCP3066/D
G
AWL

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NCV3066 Summary of contents

Page 1

... NCP3066, NCV3066 Up to 1.5 A Constant Current Switching Regulator for LEDs with ON/OFF Function The NCP3066 is a monolithic switching regulator designed to deliver constant current for powering high brightness LEDs. The device has a very low feedback voltage of 235 mV (nominal) which is used to regulate the average current of the LED string. In addition, the NCP3066 has a wide input voltage allow it to operate from a 12 Vac or a 12− ...

Page 2

SOIC−8/PDIP−8 1 Switch Collector Switch Emitter 2 Timing Capacitor 3 GND 4 (Top View) Figure 2. Pin Connections 8 ON/OFF 7 I Sense Comparator Inverting Input PIN DESCRIPTION Pin No. PDIP8 DFN8 Pin Name 1 ...

Page 3

... Maximum Junction Temperature Operating Junction Temperature Range (Note 3) NCP3066 NCV3066 Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability ...

Page 4

... See the Operating Description section for details. 8. NCV prefix is for automotive and other applications requiring site and change control and extended operating temperature conditions 5.0 V, −40°C < T < +125°C for NCV3066, 0°C < Conditions ...

Page 5

Ct, CAPACITANCE (nF) Figure 5. Oscillator Frequency vs. Timing Capacitor ...

Page 6

Vin, INPUT VOLTAGE (V) Figure 11. Standby Supply Current vs. Supply Voltage http://onsemi.com ...

Page 7

The NCP3066 is a monolithic power switching regulator optimized for LED Driver applications. Its flexible architecture enables the system designer to directly implement step−up, step−down, and voltage−inverting converters with a minimum number of external components for driving LEDs. A representative ...

Page 8

Peak Current Sense Comparator Under normal conditions, the output switch conduction is initiated by the Voltage Feedback comparator and terminated by the oscillator. Abnormal operating conditions occur when the converter output is overloaded or when feedback voltage sensing is lost. ...

Page 9

Figures 15 through 24 show the simplicity and flexibility of the NCP3066. Two main converter topologies are demonstrated with actual test data shown below each of the circuit diagrams. The demo boards have an input for a digital dimming signal. ...

Page 10

... Rohm MCR18EZPF1001 Rohm MCR18EZHF1202 Panasonic - ECG ERJ-14RQJR68U Panasonic - ECG ERJ-14RQJR33U Panasonic - ECG ERJ-14YJ102U Panasonic EEUFC1V221 Kemet C1206C104K5RACTU Kemet C1206C182K5RACTU SANYO 16SP150M Vishay/Vitramon VJ1206Y101KXEAT5Z Kemet C1206C222K5RACTU ON Semiconductor NTD18P03L ON Semiconductor MMBT489LT1G ON Semiconductor MBR130T1G ON Semiconductor NCP3066DR2G ON Semiconductor MBRS330T3G Wurth Elektronik WE−PD4 74457147 +LED −LED 7 ...

Page 11

Figure 16. Buck with External Switch Demoboard Layout 90 350 mA 4 LED 12.8 V) out 700 mA 2 LED (V = 6.4 V) out 65 60 350 mA 2 LED ( ...

Page 12

I = 600 mA out 0. 450 mA out 0.50 0. 300 mA out 0.30 0. 150 mA out 0. INPUT VOLTAGE (V) Figure 20. ...

Page 13

... 1k0 100mF Manufacturer Part Number Manufacturer Susumu RL1632R-R150-F Vishay/Dale CRCW1206100RFKEA Rohm MCR18EZPF1001 Panasonic - ECG ERJ-14RQJR68U Rohm MCR18EZHF1002 SANYO 16SVPS180M Kemet C1206C104K5RACTU Kemet C1206C222K5RACTU TDK C4532Y5V1A107Z Kemet C1206C222K5RACTU ON Semiconductor NCP3066DR2G ON Semiconductor MBRS1540T3G ON Semiconductor BZX84B18VLT1G Coilcraft DO3316P-104MLB +LED −LED ...

Page 14

Figure 23. Boost Demoboard Layout 95 90 150 mA 6 LED 85 (19.2 V) 150 mA 8 LED 80 (25 INPUT VOLTAGE (V) Figure 25. Boost LED Driver Efficiency 3.50 ...

Page 15

... R68 3 x 100 mF Manufacturer Part Number Manufacturer Susumu RL1632R-R150-F Vishay/Dale CRCW1206100RFKEA Rohm MCR18EZPF1001 Panasonic - ECG ERJ-14RQJR68U Rohm MCR18EZHF1002 Rohm MCR18EZPF1202 PANASONIC EEEFK1E331GP Kemet C1206C104K5RACTU Kemet C1206C222K5RACTU TDK C4532Y5V1A107Z ON Semiconductor NCP3066DR2G ON Semiconductor MBRS1504T3G ON Semiconductor BZX84C8V2LT1G CoilCraft DO3316P-473MLB +LED −LED 100R ...

Page 16

Figure 28. Buck Demoboard Layout The Figure 27 Buck demoboard Application schematic illustrates the basic circuitry in buck topology, which allows supplying one or two LEDs up to 350 mA consumption. The TABLE 5 BILL OF MATERIALS shows the small ...

Page 17

... ORDERING INFORMATION Device NCP3066MNTXG NCP3066PG NCP3066DR2G NCV3066MNTXG NCV3066PG NCV3066DR2G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. R 10k R15 Figure 32. ONOFF Serial Resistor Connection This resistor shifts the ON/OFF threshold by about ...

Page 18

F −A− NOTE 2 C −T− N SEATING PLANE 0.13 (0.005) M PACKAGE DIMENSIONS 8 LEAD PDIP CASE 626−05 ISSUE http://onsemi.com 18 ...

Page 19

... C SEATING PLANE −Z− 0.25 (0.010 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS SOIC−8 NB CASE 751−07 ISSUE 0.10 (0.004) ...

Page 20

... NOTE 3 0.05 C *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81− ...

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