SSL4120 datasheet(37/48 Pages) NXP

37 / 48 page

SSL4120

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 2 — 1 November 2012

37 of 48

NXP Semiconductors

SSL4120

Resonant power supply controller IC with PFC for LED lighting

PFC demagnetization sensing (SNSAUXPFC pin)

Vdemag(SNSAUXPFC)

demagnetization voltage on pin

SNSAUXPFC

150 100

50

tto(mag)

magnetization time-out time

s

Iprot(SNSAUXPFC)

protection current on pin

SNSAUXPFC

VSNSAUXPFC =50 mV

75

33

PFC valley sensing (SNSAUXPFC pin)

(dV/dt)vrec(min)

minimum valley recognition rate of

voltage change

1.7

s

tslope(vrec)min

minimum valley recognition slope

time

VSNSAUXPFC =1 Vpp

[4] -

300

demagnetization to

V/t=0 [5] --

td(val-dem)max

maximum valley-to-demag delay

time

200

tto(vrec)

valley recognition time-out time

s

PFC soft start (SNSCURPFC pin)

Ich(ss)(PFC)

PFC soft-start charge current

60

A

Vclamp(ss)(PFC)

PFC soft-start clamp voltage

[1] 0.46

0.5

0.54

Vstop(ss)(PFC)

PFC soft-start stop voltage

[1] -0.45

Rss(PFC)

PFC soft-start resistor



PFC overcurrent sensing (SNSCURPFC pin)

Vocr(PFC)

PFC overcurrent regulation voltage

dV/dt = 50 mV/

s

0.49

0.52

0.55

dV/dt = 200 mV/

s

0.51

0.54

0.57

tleb(PFC)

leading edge blanking time

250

310

370

Iprot(SNSCURPFC)

protection current on pin

SNSCURPFC

50

33

PFC mains voltage sensing and clamp (SNSMAINS pin)

Vstart(SNSMAINS)

start voltage on pin SNSMAINS

[1] 1.11

1.15

1.19

Vuvp(SNSMAINS)

undervoltage protection voltage on

pin SNSMAINS

[1] 0.84

0.89

0.94

Vpu(SNSMAINS)

pull-up voltage on pin SNSMAINS

UVP mains active

[1] -1.05

Ipu(SNSMAINS)

maximum clamp current

UVP mains active

42

35

A

Iprot(SNSMAINS)

Protection current on pin

SNSMAINS

VSNSMAINS >Vuvp(SNSMAINS)

100

PFC boost voltage protection sensing, SCP/UVP/OVP boost (SNSBOOST pin)

Vscp(SNSBOOST)

short-circuit protection voltage on

pin SNSBOOST

0.35

0.4

0.45

Vstart(SNSBOOST)

start voltage on pin SNSBOOST

2.3

2.4

Vuvp(SNSBOOST)

undervoltage protection voltage on

pin SNSBOOST

1.5

1.6

Vovp(SNSBOOST)

overvoltage protection voltage on

pin SNSBOOST

2.59

2.63

2.67

Table 7.

Characteristics …continued

Tamb =25 C; VSUPIC =20V; VSUPHV > 40 V; all voltages are measured with respect to SGND; currents are positive when

flowing into the IC; unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

SSL4120 датащи(PDF) 37 Page - NXP Semiconductors

SSL4120 датащи(HTML) 37 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

датащи скачать

ссылки URL