NCL30001DR2G【PDF 6/31 页】IC ANA PFC CONTROLLER 16SOIC

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NCL30001

ELECTRICAL CHARACTERISTICS (V CC = 15 V, V AC IN = 3.8 V, V FB = 2.0 V, V FF = 2.4 V, V Latch = open, V ISPOS = ? 100 mV,

C DRV = 1 nF, C T = 470 pF, C IAVG = 0.27 nF, C Latch = 0.1 nF, C M = 10 nF, R IAVG = 76.8 k W ,

R TEST = 50 k W , R RC = 43 k W , For typical Value T J = 25 ° C, for min/max values T J = ? 40 ° C to 125 ° C, unless otherwise noted)

Parameter

Test Condition

Symbol

Min

Typ

Max

Unit

OSCILLATOR

Frequency

Frequency Modulation in Percentage

of f OSC

Frequency Modulation Period

Ramp Peak Voltage

Ramp Valley Voltage

f osc

V CT(peak)

V CT(valley)

90

–

–

–

–

100

6.8

6.8

4.0

0.10

110

–

–

–

–

kHz

%

ms

V

V

Maximum Duty Ratio

Ramp Compensation Peak Voltage

R TEST = open

D

V RCOMP(peak)

94

–

?

4

–

–

%

V

AC ERROR AMPLIFIER

Input Offset Voltage (Note 3)

Ramp I AVG , V FB = 0 V

ACV IO

40

–

mV

Error Amplifier Transconductance

g m

–

100

–

m S

Source Current

Sink Current

V AC COMP = 2.0 V, V AC IN = 2.0 V,

V FF = 1.0 V

V AC COMP = 2.0 V, V A C_IN = 2.0 V,

V FF = 5.0 V

I EA(source)

I EA(sink)

25

? 25

70

? 70

–

–

m A

m A

CURRENT AMPLIFIER

Input Bias Current

Input Offset Voltage

Current Limit Threshold

Leading Edge Blanking Duration

Bandwidth

V ISPOS = 0 V

V AC COMP = 5.0 V, V ISpos = 0 V

force DRV high, V AC COMP = 3.0 V,

ramp V ISPOS , V Ramp_Comp = open

CAI bias

CAV IO

V ILIM

t LEB

40

? 20

0.695

–

–

53

0

0.74

200

1.5

80

20

0.77

–

–

m A

mV

V

ns

MHz

PWM Output Voltage Gain

PWMk +

4

(V ILIM * C AVIO )

PWMk

4.0

5.3

6.0

V/V

Current Limit Voltage Gain (See

Current Sense Section)

ISVK +

V (AVG)

VI SPOS

ISVk

15.4

18.5

23

V/V

REFERENCE GENERATOR

Reference Generator Gain

k +

V AC_REF @ V FF 2

V FB @ V AC_IN

k

–

0.55

–

V

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

V AC IN = 1.2 V, V FF = 0.765 V,

V FB = 4 V

V AC IN = 3.75 V, V FF = 2.39 V,

V FB = 4.0 V

V AC IN = 1.2 V, V FF = 0.765 V,

V FB = 2.0 V

V AC IN = 3.75 V, V FF = 2.39 V,

V FB = 2.0 V

RG out1

RG out2

RG out3

RG out4

RG offset

3.61

1.16

1.85

0.55

? 100

4.36

1.35

2.18

0.65

–

4.94

1.61

2.58

0.78

100

Vpk

Vpk

Vpk

Vpk

mV

3. Guaranteed by Design

http://onsemi.com

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