NCP1622BECSNT1G datasheet(7/20 Pages) ONSEMI

Part #	NCP1622BECSNT1G

Description	Enhanced, High-Efficiency Power Factor Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1622

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Table 6. TYPICAL ELECTRICAL CHARACTERISTICS

(Conditions: VCC = 18 V, TJ from −40°C to +125°C, unless otherwise specified) (Note 1)

Symbol

Unit

Max

Typ

Min

Rating

Feed−back Over and Under−Voltage Protections (OVP and UVP)

RsoftOVP

Ratio (Soft OVP Threshold, VFB rising) over VREF (or VREF2)

(guaranteed by design)

−

105

−

%

RsoftOVP(HYST)

Ratio (Soft OVP Hysteresis) over VREF (or VREF2)

(guaranteed by design)

−

1.87

−

%

RfastOVP

Ratio (Fast OVP Threshold, VFB rising) over VREF (or VREF2)

(guaranteed by design)

−

107

−

%

RfastOVP(HYST)

Ratio (Fast OVP Hysteresis) over VREF (or VREF2)

(guaranteed by design)

−

4.0

−

%

VUVPH

UVP Threshold, VFB increasing

477

530

583

mV

VUVPL

UVP Threshold, VFB decreasing

252

303

357

mV

VUVP(HYST)

UVP Hysteresis

200

225

250

mV

IB,FB

FB pin Bias Current @ VFB = VOVP and VFB = VUVP

50

200

450

nA

Brown−Out Protection and Feed−Forward ( Vsns is an internal pin that replaces Vsense)

VBOH

Brown−Out Threshold Vmains increasing, VFB based

([C**] and [D**] versions)

754

819

894

mV

VBOL

Brown−Out Threshold, Vmains decreasing, avg(VCS) based

([C**] and [D**] versions)

659

737

801

mV

VBO(HYST)

Brown−Out Comparator Hysteresis

([C**] and [D**] versions)

75

100

−

mV

tBO(blank)

Brown−Out Blanking Time

([C**] and [D**] versions)

36

50

67

ms

IVCTRL(BO)

VCTRL pin sink current during BO condition

20

30

42

mA

VHL

Comparator Threshold for Line Range Detection, avg(VCS) rising

1.605

1.690

1.774

V

VLL

Comparator Threshold for Line Range Detection, avg(VCS) falling

1.406

1.480

1.554

V

VHL(hyst)

Comparator Hysteresis for Line Range Detection

75

100

−

mV

tHL(blank)

Blanking Time for Line Range Detection

13

25

43

ms

Thermal Shutdown

TLIMIT

Thermal Shutdown Threshold

150

−

°C

HTEMP

Thermal Shutdown Hysteresis

−

50

−

°C

Second Overvoltage Protection (OVP2)

VOVP2H,HL

OVP2 Threshold, VCS rising, KCS = 138 , @VREF2 = 2.5 V

3.048

3.175

3.302

V

VOVP2L,HL

OVP2 Threshold, VCS falling, KCS = 138, @VREF2 = 2.5 V

2.969

3.093

3.217

V

VOVP2(HYST),HL

OVP2 Comparator Hysteresis, KCS = 138, @VREF2 = 2.5 V

50

100

−

mV

tLEB,OVP2

OVP2 Leading Edge Blanking Time, VCS rising (guaranteed by design)

−

1000

−

ns

tRST(OVP2)

Reset Timer for OVP2 latch

400

800

1200

ms

1. The above specification gives the targeted values of the parameters. The final specification will be available once the complete circuit char-

acterization has been performed.

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.

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