NCP1602BEASNT1G datasheet(6/23 Pages) ONSEMI

Part #	NCP1602BEASNT1G

Description	Enhanced, High-Efficiency Power Factor Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1602

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6

Table 6. TYPICAL ELECTRICAL CHARACTERISTICS

(Conditions: VCC = 18 V, TJ from −40°C to +125°C, unless otherwise specified) (Note 3)

Symbol

Unit

Max

Typ

Min

Rating

REGULATION BLOCK

Vctrl

Vctrl,min

Vctrl,max

VCTRL pin Voltage (Vctrl):

− @ VFB = 2 V (OTA is sourcing 20 mA)

− @ VFB = 3 V (OTA is sinking 20 mA)

−

4.5

0.5

−

V

Vout,L / VREF2

Ratio (Vout Low Detect Threshold / VREF) (guaranteed by design)

−

95.5

−

%

Hout,L / VREF2

Ratio (VoutLow Detect Hysteresis / VREF) (guaranteed by design)

−

0.35

−

%

IBOOST

VCTRL pin Source Current when (VOUT Low Detect) is activated

147

220

277

mA

CURRENT SENSE AND ZERO CURRENT DETECTION BLOCKS

VCS(th)

Current Sense Voltage Reference

450

500

550

mV

VCS,OVS(th)

Current Sense Overstress Voltage Reference

675

750

825

mV

tLEB,OVS

“Overstress” Leading edge Blanking Time (guaranteed by design)

−

250

−

ns

tLEB,OCP

“Over−Current Protection” Leading edge Blanking Time (guaranteed by design)

−

400

−

ns

tOCP

Over−Current Protection Delay from VCS/ZCD>VCS(th) to

DRV low (dVCS/ZCD / dt = 10 V/ms)

−

40

200

ns

VZCD(th)H

Zero Current Detection, VCS/ZCD rising

8

35

62

mV

VZCD(th)L

Zero Current Detection, VCS/ZCD falling

−68

−46

−25

mV

VZCD(hyst)

Hysteresis of the Zero Current Detection Comparator

46

84

−

mV

To discuss versus what esd protection will be used

VCL(pos)

CS/ZCD Positive Clamp @ ICS/ZCD = 5 mA (guaranteed by design)

−

9.5

−

V

tZCD

(VCS/ZCD < VZCD(th)L) to (DRV high)

−

60

200

ns

tSYNC

Minimum ZCD Pulse Width

−

110

200

ns

tWDG

Watch Dog Timer

80

200

320

ms

tWDG(OS)

Watch Dog Timer in “OverStress” Situation

400

800

1200

ms

IZCD(gnd)

Source Current for CS/ZCD pin impedance Testing

−

50

−

mA

IZCD(Vcc)

Pull−up current source referenced to Vcc for open pin detection

−

200

−

nA

STATIC OVP

DMIN

Duty Cycle, VFB = 3 V ( When low clamp of Vctrl is reached)

−

0

%

ON−TIME CONTROL (Options [*E*], [*B*], [*F*], [*C*] for maximum tON value)

ton,LL,B

Maximum On Time, avg(Vcs) = 0.9 V and Vctrl maximum (CrM)

22

25

28

ms

ton,HL,B

Maximum On Time, avg(Vcs) = 2.8 V and Vctrl maximum (CrM)

7.49

8.33

9.16

ms

ton,LL,C

Maximum On Time, avg(Vcs) = 0.9 V and Vctrl maximum (CrM)

22

25

28

ms

ton,HL,C

Maximum On Time, avg(Vcs) = 2.8 V and Vctrl maximum (CrM)

7.49

8.40

9.16

ms

ton,LL,E

Maximum On Time, avg(Vcs) = 0.9 V and Vctrl maximum (CrM)

11.4

12.5

13.6

ms

ton,HL,E

Maximum On Time, avg(Vcs) = 2.8 V and Vctrl maximum (CrM)

3.75

4.17

4.59

ms

ton,LL,F

Maximum On Time, avg(Vcs) = 0.9 V and Vctrl maximum (CrM)

11.4

12.5

13.6

ms

ton,HL,F

Maximum On Time, avg(Vcs) = 2.8 V and Vctrl maximum (CrM)

3.75

4.20

4.59

ms

Kton,LL−HL

tON @LL over tON @HL ratio (all tON versions)

−

3

−

w/o

Specifying max tON,min means tON,min can go down to zero

ton,LL,min

Minimum On Time, avg(Vcs) = 0.9 V

(not tested, guaranteed by design)

−

300

−

ns

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

characterization has been performed.

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