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PDF NCL30081 Data sheet ( Hoja de datos )
| Número de pieza | NCL30081 | |
| Descripción | Dimmable Quasi-Resonant Primary Side Current-Mode Controller | |
| Fabricantes | ON Semiconductor | |
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NCL30081
Dimmable Quasi-Resonant
Primary Side Current-Mode
Controller for LED Lighting
The NCL30081 is a PWM current mode controller targeting isolated
flyback and non−isolated constant current topologies. The controller
operates in a quasi−resonant mode to provide high efficiency. Thanks
to a novel control method, the device is able to precisely regulate a
constant LED current from the primary side. This removes the need
for secondary side feedback circuitry, biasing and an optocoupler.
The device is highly integrated with a minimum number of external
components. A robust suite of safety protection is built in to simplify
the design. This device is specifically intended for very compact space
efficient designs. It supports step dimming by monitoring the AC line
and detecting when the line has been toggled on−off−on by the user to
reduce the light intensity in 5 steps down to 5% dimming.
www.onsemi.com
1
TSOP−6
SN SUFFIX
CASE 318G
MARKING DIAGRAM
Features
• Quasi−resonant Peak Current−mode Control Operation
• Primary Side Sensing (no optocoupler needed)
• Wide VCC Range
• Precise LED Constant Current Regulation ±1% Typical
• Line Feed−forward for Enhanced Regulation Accuracy
AAxAYWG
G
1
AAx = Specific Device Code
x = G or H
A = Assembly Location
• Low LED Current Ripple
• 250 mV ±2% Guaranteed Voltage Reference for Current Regulation
• ~ 0.9 Power Factor with Valley Fill Input Stage
• Low Start−up Current (10 mA typ.)
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
• Small Space Saving Low Profile Package
• 5 State Quasi−log Dimmable
• Wide Temperature Range of −40 to +125°C
PIN CONNECTIONS
1
ZCD
VIN
• Pb−free, Halide−free MSL1 Product
• Robust Protection Features
♦ Over Voltage / LED Open Circuit Protection
GND
CS
VCC
DRV
♦ Secondary Diode Short Protection
(Top View)
♦ Output Short Circuit Protection
♦ Shorted Current Sense Pin Fault Detection
♦ Latched and Auto−recoverable Versions
♦ Brown−out
♦ VCC Under Voltage Lockout
♦ Thermal Shutdown
Typical Applications
• Integral LED Bulbs
• LED Power Driver Supplies
• LED Light Engines
© Semiconductor Components Industries, LLC, 2015
January, 2015 − Rev. 1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 30 of this data sheet.
1 Publication Order Number:
NCL30081/D
1 page  
NCL30081
Table 3. ELECTRICAL CHARACTERISTICS (Unless otherwise noted: For typical values TJ = 25°C, VCC = 12 V;
For min/max values TJ = −40°C to +125°C, Max TJ = 150°C, VCC = 12 V)
Description
Test Condition
Symbol
Min Typ
STARTUP AND SUPPLY CIRCUITS
Supply Voltage
Startup Threshold
Minimum Operating Voltage
Hysteresis VCC(on) – VCC(off)
Internal logic reset
Over Voltage Protection
VCC OVP threshold
VCC increasing
VCC decreasing
VCC decreasing
VCC(on)
VCC(off)
VCC(HYS)
VCC(reset)
VCC(OVP)
16 18
8.2 8.8
8–
3.5 4.5
26 28
VCC(off) noise filter
VCC(reset) noise filter−
Startup current
Startup current in fault mode
Supply Current
Device Disabled/Fault
Device Enabled/No output load on pin 5
Device Switching (Fsw = 65 kHz)
CURRENT SENSE
VCC > VCC(off)
Fsw = 65 kHz
CDRV = 470 pF,
Fsw = 65 kHz
tVCC(off)
tVCC(reset)
ICC(start)
ICC(sFault)
ICC1
ICC2
ICC3
–5
– 20
– 13
– 46
0.8 1.0
– 2.15
– 2.6
Maximum Internal current limit
Leading Edge Blanking Duration for VILIM
(Tj = −25°C to 125°C)
VILIM
tLEB
0.95 1
250 300
Leading Edge Blanking Duration for VILIM
(Tj = −40°C to 125°C)
tLEB 240 300
Input Bias Current
Propagation delay from current detection to gate off−state
Threshold for immediate fault protection activation
Leading Edge Blanking Duration for VCS(stop)
Blanking time for CS to GND short detection VpinVIN = 1 V
Blanking time for CS to GND short detection VpinVIN = 3.3 V
GATE DRIVE
DRV high
Ibias
tILIM
VCS(stop)
tBCS
tCS(blank1)
tCS(blank2)
– 0.02
– 50
1.35 1.5
– 120
8.0 –
2.6 –
Drive Resistance
DRV Sink
DRV Source
Drive current capability
DRV Sink (Note 4)
DRV Source (Note 4)
Rise Time (10% to 90%)
Fall Time (90% to 10%)
DRV Low Voltage
DRV High Voltage
4. Guaranteed by design
CDRV = 470 pF
CDRV = 470 pF
VCC = VCC(off)+0.2 V
CDRV = 470 pF,
RDRV = 33 kW
VCC = 30 V
CDRV = 470 pF,
RDRV = 33 kW
RSNK
RSRC
ISNK
ISRC
tr
tf
VDRV(low)
VDRV(high)
– 13
– 30
– 500
– 300
– 40
– 30
8–
10 12
Max Unit
V
20
9.4
–
5.5
30 V
– ms
–
30 mA
60 mA
mA
1.4
4.0
5.0
1.05 V
350 ns
350 ns
– mA
150 ns
1.65 V
– ns
14.0 ms
4.6 ms
W
–
–
mA
–
–
– ns
– ns
–V
14 V
www.onsemi.com
5
5 Page 
NCL30081
TYPICAL CHARACTERISTICS
14.5
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
−40 −20 0 20 40 60 80 100 120
TJ, JUNCTION TEMPERATURE (°C)
Figure 21. VREF05 vs. Junction Temperature
55.8
55.6
55.4
55.2
55.0
54.8
54.6
54.4
54.2
−40 −20 0 20 40 60 80 100 120
TJ, JUNCTION TEMPERATURE (°C)
Figure 22. VCS(low) vs. Junction Temperature
17.65
17.60
17.55
17.50
17.45
17.40
−40 −20 0 20 40 60 80 100 120
TJ, JUNCTION TEMPERATURE (°C)
Figure 23. KLFF vs. Junction Temperature
2.42
2.41
2.40
2.39
2.38
2.37
2.36
−40 −20 0 20 40 60 80 100 120
TJ, JUNCTION TEMPERATURE (°C)
Figure 24. VHL vs. Junction Temperature
2.30 25.5
25.0
2.29
24.5
2.28
24.0
2.27
23.5
2.26
−40 −20 0 20 40 60 80 100 120
TJ, JUNCTION TEMPERATURE (°C)
Figure 25. VLL vs. Junction Temperature
23.0
−40 −20 0 20 40 60 80 100 120
TJ, JUNCTION TEMPERATURE (°C)
Figure 26. tHL(BLANK) vs. Junction Temperature
www.onsemi.com
11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet NCL30081.PDF ] | |
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