NCL30001 데이터 시트보기 (PDF) - ON Semiconductor

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NCL30001

High-Efficiency Single Stage Power Factor Correction and Step-Down Offline LED Driver

ON Semiconductor 

NCL30001

ELECTRICAL CHARACTERISTICS (VCC = 15 V, VAC IN = 3.8 V, VFB = 2.0 V, VFF = 2.4 V, VLatch = open, VISPOS = −100 mV,

CDRV = 1 nF, CT = 470 pF, CIAVG = 0.27 nF, CLatch = 0.1 nF, CM = 10 nF, RIAVG = 76.8 kW,

RTEST = 50 kW, RRC = 43 kW, For typical Value TJ = 25°C, for min/max values TJ = −40°C to 125°C, unless otherwise noted)

Parameter

Test Condition

Symbol

Min Typ Max Unit

OSCILLATOR

Frequency

Frequency Modulation in Percentage

of fOSC

Frequency Modulation Period

fosc

90 100 110 kHz

–

6.8

–

%

–

6.8

–

ms

Ramp Peak Voltage

Ramp Valley Voltage

Maximum Duty Ratio

Ramp Compensation Peak Voltage

AC ERROR AMPLIFIER

RTEST = open

VCT(peak)

VCT(valley)

D

–

4.0

–

V

–

0.10 –

V

94

−

–

%

VRCOMP(peak)

–

4

–

V

Input Offset Voltage (Note 3)

Error Amplifier Transconductance

Source Current

Sink Current

CURRENT AMPLIFIER

Ramp IAVG, VFB = 0 V

VAC COMP = 2.0 V, VAC IN = 2.0 V,

VFF = 1.0 V

VAC COMP = 2.0 V, VA C_IN = 2.0 V,

VFF = 5.0 V

ACVIO

gm

IEA(source)

IEA(sink)

40

–

mV

–

100

–

mS

25

70

–

mA

−25 −70

–

mA

Input Bias Current

Input Offset Voltage

Current Limit Threshold

Leading Edge Blanking Duration

Bandwidth

VISPOS = 0 V

VAC COMP = 5.0 V, VISpos = 0 V

force DRV high, VAC COMP = 3.0 V,

ramp VISPOS, VRamp_Comp = open

CAIbias

CAVIO

VILIM

tLEB

40

53

80 mA

−20

0

20 mV

0.695 0.74 0.77 V

–

200

–

ns

–

1.5

– MHz

PWM Output Voltage Gain

Current Limit Voltage Gain (See

Current Sense Section)

REFERENCE GENERATOR

PWMk +

4

(VILIM * CAVIO)

V(AVG)

ISVK +

VISPOS

PWMk

ISVk

4.0 5.3 6.0 V/V

15.4 18.5 23 V/V

Reference Generator Gain

Reference Generator output voltage

(low input ac line and full load)

Reference Generator output voltage

(high input ac line and full load)

Reference Generator output Voltage

(low input as line and minimum load)

Reference Generator output voltage

(high input ac line and minimum load)

Reference Generator output offset

voltage

VAC_REF @ VFF 2

k+

VFB @ VAC_IN

VAC IN = 1.2 V, VFF = 0.765 V,

VFB = 4 V

VAC IN = 3.75 V, VFF = 2.39 V,

VFB = 4.0 V

VAC IN = 1.2 V, VFF = 0.765 V,

VFB = 2.0 V

VAC IN = 3.75 V, VFF = 2.39 V,

VFB = 2.0 V

k

–

0.55 –

V

RGout1

RGout2

RGout3

RGout4

RGoffset

3.61 4.36 4.94 Vpk

1.16 1.35 1.61 Vpk

1.85 2.18 2.58 Vpk

0.55 0.65 0.78 Vpk

−100

–

100 mV

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.

3. Guaranteed by Design

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