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NCL30083

Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Thermal Fold-back

ON Semiconductor 

NCL30083

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 1.2

–

2.3

–

2.7

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

6

–

2

–

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

5. OTP triggers when RNTC = 4.7 kW

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

12

ms

4

ms

W

–

–

mA

–

–

–

ns

–

ns

–

V

14

V

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