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NCL30082

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

ON Semiconductor 

NCL30082

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

THERMAL FOLD−BACK AND OVP

Timer duration after which the controller is allowed to start

pulsing

tOTP(start)

180

–

300 ms

Clamped voltage (SD pin left open)

Clamp series resistor

SD pin detection level for OVP

Delay before OVP or OTP confirmation (OVP and OTP)

THERMAL SHUTDOWN

SD pin open

VSD increasing

VSD(clamp)

RSD(clamp)

VOVP

TSD(delay)

1.13 1.35 1.57 V

–

1.6

–

kW

2.35 2.5 2.65 V

15

30

45

ms

Thermal Shutdown (Note 6)

Thermal Shutdown Hysteresis (Note 6)

BROWN−OUT

Device switching

(FSW around 65 kHz)

TSHDN

130 150 170 °C

TSHDN(HYS)

–

50

–

°C

Brown−Out ON level (IC start pulsing)

VSD increasing

VBO(on)

0.90

1

1.10 V

Brown−Out OFF level (IC shuts down)

VSD decreasing

VBO(off)

0.85 0.9 0.95 V

BO comparators delay

tBO(delay)

–

30

–

ms

Brown−Out blanking time

tBO(blank)

35

50

65 ms

Brown−Out blanking time NCL30082D

tBO(blank)D

10.5

15

19.5 ms

Brown−out pin bias current

IBO(bias)

−250 –

250 nA

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

6. Guaranteed by design.

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