NCP1652A データシートの表示（PDF） - ON Semiconductor

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NCP1652A

High-Efficiency Single Stage Power Factor Correction and Step-Down Controller

ON Semiconductor 

NCP1652, NCP1652A

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

COUTA = 1 nF, CT = 470 pF, CIAVG = 0.27 nF, CLatch = 0.1 nF, CM = 10 nF, RIAVG = 76.8 kW, Rdelay = 49.9 kW,

COUTB = 330 pF, 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

fosc

90 100 110 kHz

–

6.8

–

%

Frequency Modulation Period

–

6.8

–

ms

Ramp Peak Voltage

Ramp Valley Voltage

Maximum Duty Ratio

Ramp Compensation Peak Voltage

AC ERROR AMPLIFIER

Rdelay = 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

VISPOS = 0 V

VAC COMP = 5.0 V, VISpos = 0 V

force OUTA high, VAC COMP = 3.0 V,

ramp VISPOS, VRamp_Comp = open

CAIbias

CAVIO

VILIM

40

53

80

mA

−20

0

20 mV

0.695 0.74 0.77 V

Leading Edge Blanking Duration

Bandwidth

tLEB

–

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)

VAC_REF @ VFF 2

k+

VFB @ VAC_IN

VAC IN = 1.2 V, VFF = 0.765 V,

VFB = 4 V

k

–

0.55

–

V

RGout1

3.61 4.36 4.94 Vpk

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)

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

RGout2

RGout3

RGout4

1.16 1.35 1.61 Vpk

1.85 2.18 2.58 Vpk

0.55 0.65 0.78 Vpk

Reference Generator output offset

voltage

RGoffset

−100

–

100 mV

3. Guaranteed by Design

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