SSL2101_4

© NXP B.V. 2009. All rights reserved.

Product data sheet

Rev. 04 — 28 August 2009

13 of 22

NXP Semiconductors

SSL2101

SMPS IC for dimmable LED lighting

current on pin

DRAIN

no auxiliary supply

-

-

2.2

mA

with auxiliary supply

-

30

125

µA

voltage on pin

DRAIN

40

-

600

V

Pulse width modulator

minimum duty

factor

-0

-

%

maximum duty

cycle

f = 100 kHz

-

75

-

%

SOPS

demagnetization

detection voltage

50

100

150

mV

transformer

ringing

suppression time

at start of secondary

stroke

1.0

1.5

2.0

µs

RC oscillator

minimum voltage

on pin RC

60

75

90

mV

maximum voltage

on pin RC

2.4

2.5

2.6

V

charge time on pin

RC

-1

-

µs

voltage on pin

BRIGHTNESS

2.5 V RC2 trip level

-

0.5

-

V

180 mV RC2 trip level

-

1.25

-

V

75 mV RC2 trip level

-

2.3

-

V

oscillator

frequency

10

100

200

kHz

current on pin

BRIGHTNESS

−20

−24

−28

µA

Bleeder

threshold voltage

on pin SBLEED

46

52

56

V

low threshold

voltage on pin

ISENSE

-

−250

-

mV

high threshold

voltage on pin

ISENSE

-

−100

-

mV

drain-source

on-state

resistance on pin

SBLEED

140

170

200

Ω

220

270

320

Ω

Table 6:

positive when flowing into the IC and PWMLIMIT and BRIGHTNESS pins are disconnected unless

otherwise specified. Typical frequency 100 kHz.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit