NCP1612A2 datasheet(7/33 Pages) ONSEMI

Part #	NCP1612A2

Description	Enhanced, High?륟fficiency Power Factor Controller

Download	33 Pages

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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7 / 33 page

NCP1612A, NCP1612B, NCP1612A1, NCP1612A2, NCP1612A3, NCP1612B2

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7

Table 3. TYPICAL ELECTRICAL CHARACTERISTICS (continued)

(Conditions: VCC = 15 V, TJ from −40°C to +125°C, unless otherwise specified)

Symbol

Unit

Max

Typ

Min

Rating

FEED-BACK OVER AND UNDER-VOLTAGE PROTECTION (SOFT OVP AND UVP)

RsoftOVP

Ratio (soft OVP Threshold, VFB rising) over VREF (VsoftOVP/VREF)

(guaranteed by design)

104

105

106

%

RsoftOVP(HYST) Ratio (Soft OVP Hysteresis) over VREF (guaranteed by design)

1.5

2.0

2.5

%

RUVP

Ratio (UVP Threshold, VFB rising) over VREF (VUVP/VREF)

(guaranteed by design)

8

12

16

%

RUVP(HYST)

Ratio (UVP Hysteresis) over VREF (guaranteed by design)

−

1

%

(IB)FB

FB Pin Bias Current @ VFB = VsoftOVP and VFB = VUVP

50

200

450

nA

FAST OVER VOLTAGE PROTECTION AND BULK UNDER-VOLTAGE PROTECTION (FAST OVP AND BUV)

VfastOVP

Fast OVP Threshold, VFOVP rising

2.560

2.675

2.750

V

RfastOVP1

Ratio (Fast OVP Threshold, VFOVP rising) over (soft OVP Threshold,

VFB rising) (VfastOVP/VsoftOVP) (guaranteed by design)

101.5

102.0

102.5

%

RfastOVP2

Ratio (Fast OVP Threshold, VFOVP rising) over VREF (VfastOVP/VREF)

(guaranteed by design)

106

107

108

%

VBUV

BUV Threshold:

NCP1612A, NCP1612B, VFOVP falling

NCP1612A1, NCP1612A3, VFOVP falling

NCP1612A2 and NCP1612B2, VFB falling

1.80

0.90

1.80

1.90

1.00

1.90

2.00

1.10

2.00

V

RBUV

Ratio (BUV Threshold) over VREF (VBUV/VREF)

NCP1612A, NCP1612B, VFOVP falling

NCP1612A1, NCP1612A3, VFOVP falling

NCP1612A2 and NCP1612B2, VFB falling

74

37

74

76

40

76

78

43

78

%

(IB)FOVP/BUV

Pin1 Bias Current

@ Vpin1 = VfastOVP (all versions)

@ Vpin1 = VBUV (NCP1612A, NCP1612A1, NCP1612B, NCP1612A3 only)

50

200

450

nA

VUVP2

UVP2 Threshold for Floating Pin Detection

(NCP1612A, NCP1612A1, NCP1612A3 and NCP1612B only)

0.2

0.3

0.4

V

BROWN-OUT PROTECTION AND FEED-FORWARD

VBOH

Brown-out Threshold, Vsense rising

0.96

1.00

1.04

V

VBOL

Brown-out Threshold, Vsense falling

0.86

0.90

0.94

V

VBO(HYST)

Brown-out Comparator Hysteresis

60

100

−

mV

TBO(blank)

Brown-out Blanking Time

35

50

65

ms

ICONTROL(BO)

VCONTROL Pin Sink Current, Vsense < VBOL

40

50

60

mA

VHL

High-line Detection Comparator Threshold, Vsense rising

2.1

2.2

2.3

V

VLL

High-line Detection Comparator Threshold, Vsense falling

1.6

1.7

1.8

V

VHL(hyst)

High-line Detection Comparator Hysteresis

400

500

600

mV

THL(blank)

Blanking Time for Line Range Detection

15

25

35

ms

IBO(bias)

Brown-out Pin Bias Current, Vsense = VBO

−250

−

250

nA

pfcOK SIGNAL

(VpfcOK)L

pfcOK low state voltage @ IpfcOK = 5 mA

−

250

mV

VSTDWN

Shutdown Threshold Voltage (NCP1612A, NCP1612A1, NCP1612A3 and

NCP1612B only)

7.0

7.5

8.0

V

RpfcOK

Impedance of the pfcOK pin in high state (all versions)

150

300

−

kW

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