NCL30081ASNT1G datasheet(5/31 Pages) ONSEMI

Part #	NCL30081ASNT1G

Description	Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting

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NCL30081

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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

Max

Unit

STARTUP AND SUPPLY CIRCUITS

Supply Voltage

Startup Threshold

Minimum Operating Voltage

Hysteresis VCC(on) – VCC(off)

Internal logic reset

VCC increasing

VCC decreasing

VCC(on)

VCC(off)

VCC(HYS)

VCC(reset)

16

8.2

8

3.5

18

8.8

–

4.5

20

9.4

–

5.5

V

Over Voltage Protection

VCC OVP threshold

VCC(OVP)

26

28

30

V

VCC(off) noise filter

VCC(reset) noise filter−

tVCC(off)

tVCC(reset)

–

5

20

–

ms

Startup current

ICC(start)

–

13

30

mA

Startup current in fault mode

ICC(sFault)

–

46

60

mA

Supply Current

Device Disabled/Fault

Device Enabled/No output load on pin 5

Device Switching (Fsw = 65 kHz)

VCC > VCC(off)

Fsw = 65 kHz

CDRV = 470 pF,

Fsw = 65 kHz

ICC1

ICC2

ICC3

0.8

–

1.0

2.15

2.6

1.4

4.0

5.0

mA

CURRENT SENSE

Maximum Internal current limit

VILIM

0.95

1

1.05

V

Leading Edge Blanking Duration for VILIM

(Tj = −25°C to 125°C)

tLEB

250

300

350

ns

Leading Edge Blanking Duration for VILIM

(Tj = −40°C to 125°C)

tLEB

240

300

350

ns

Input Bias Current

DRV high

Ibias

–

0.02

–

mA

Propagation delay from current detection to gate off−state

tILIM

–

50

150

ns

Threshold for immediate fault protection activation

VCS(stop)

1.35

1.5

1.65

V

Leading Edge Blanking Duration for VCS(stop)

tBCS

–

120

–

ns

Blanking time for CS to GND short detection VpinVIN = 1 V

tCS(blank1)

8.0

–

14.0

ms

Blanking time for CS to GND short detection VpinVIN = 3.3 V

tCS(blank2)

2.6

–

4.6

ms

GATE DRIVE

Drive Resistance

DRV Sink

DRV Source

RSNK

RSRC

–

13

30

–

W

Drive current capability

DRV Sink (Note 4)

DRV Source (Note 4)

ISNK

ISRC

–

500

300

–

mA

Rise Time (10% to 90%)

CDRV = 470 pF

tr

–

40

–

ns

Fall Time (90% to 10%)

CDRV = 470 pF

tf

–

30

–

ns

DRV Low Voltage

VCC = VCC(off)+0.2 V

CDRV = 470 pF,

RDRV = 33 kW

VDRV(low)

8

–

V

DRV High Voltage

VCC = 30 V

CDRV = 470 pF,

RDRV = 33 kW

VDRV(high)

10

12

14

V

4. Guaranteed by design

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