SSL4120T datasheet(35/47 Pages) NXP

35 / 47 page

SSL4120T

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

Objective data sheet

Rev. 1 — 21 June 2012

35 of 47

NXP Semiconductors

SSL4120T

Resonant power supply control IC with PFC

Output voltage protection sensing, UVP/OVP output (pin SNSOUT)

Vovp(SNSOUT)

overvoltage protection voltage on

pin SNSOUT

[2] 3.4

3.5

3.6

Vuvp(SNSOUT)

under-voltage protection voltage on

pin SNSOUT

[2] 2.2

2.35

2.5

Overtemperature protection

Totp

overtemperature protection trip

temperature

[2] 130

150

160

°C

Burst mode activation (pin SNSOUT)

Vburst(HBC)

HFC burst mode voltage

[2] 0.9

1.1

1.2

Vburst(PFC)

PFC burst mode voltage

[2] 0.3

0.4

0.5

Ipu(SNSOUT)

pull-up current on pin SNSOUT

−100 −80

μA

Vpu(SNSOUT)

pull-up voltage on pin SNSOUT

RSNSOUT =25k

Ω to SGND

1.5

PFC driver (pin GATEPFC)

Isource(GATEPFC)

source current on pin GATEPFC

VGATEPFC =2V

−0.5

Isink(GATEPFC)

sink current on pin GATEPFC

VGATEPFC =2V

0.7

VGATEPFC =10V

1.2

PFC on-timer (pin COMPPFC)

Vton(COMPPFC)zero

zero on-time voltage on pin

COMPPFC

-3.5

Vton(COMPPFC)max

maximum on-time voltage on pin

COMPPFC

-1.25

fmax(PFC)

PFC maximum frequency

300

380

460

kHz

toff(PFC)min

minimum PFC off-time

0.8

μs

PFC error amplifier (pin SNSBOOST and COMPPFC)

Vreg(SNSBOOST)

regulation voltage on pin

SNSBOOST pin

ICOMPPFC = 0 A

2.475 2.5

2.525 V

transconductance

VSNSBOOST to ICOMPPFC

-80

μA/V

Isink(COMPPFC)

sink current on pin COMPPFC

VSNSBOOST =2V

μA

Isource(COMPPFC)

source current on pin COMPPFC

VSNSBOOST =3.3 V

−39

μA

Vclamp(COMPPFC)

clamp voltage on pin COMPPFC

[3] -3.9

PFC mains compensation (pin SNSMAINS)

ton(max)

maximum on-time

high mains;

VSNSMAINS =3.3 V

3.5

4.7

5.9

μs

low mains;

VSNSMAINS =0.97 V

μs

Vmvc(SNSMAINS)max

maximum mains voltage

compensation voltage on pin

SNSMAINS

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

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