SSL2103

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© NXP B.V. 2010. All rights reserved.

Product data sheet

Rev. 2 — 25 November 2010

11 of 21

NXP Semiconductors

SSL2103

SMPS controller IC for dimmable LED lighting

11. Characteristics

Table 6.

Characteristics

100 kHz.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply

supply current

normal operation; bleeders

-1.8

-

mA

charge supply current

6

4.5

-

mA

supply voltage

[1] 12

20

28

V

start-up supply voltage

-

10.25 -

V

undervoltage lockout supply

voltage

-8.2

-

V

current on pin DRAIN

-

30

125

A

voltage on pin DRAIN

40

-

600

V

Pulse width modulator



min

minimum duty factor

-

0

-





max

maximum duty cycle

PWMLIMIT= 3 V

-

75

-



SOPS

demagnetization detection

voltage

50

100

150

mV

transformer ringing suppression

time

at start of secondary stroke

1.0

1.5

2.0

s

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

-

s

oscillator frequency

10

100

130

kHz

current on pin BRIGHTNESS

20 24

28

A

Driver bleeder

threshold voltage on pin HVDET

46

52

56

V

low threshold voltage on pin

ISENSE

-

250 -

mV

high threshold voltage on pin

ISENSE

-

100 -

mV

current on pin SB_DRV

-

3.2

3.6

mA

current on pin WB_DRV

-

3.2

3.6

mA

voltage on pin SB_DRV

-

-

12

V

10

-

-

V

[2] 5.5

-

-

V

voltage on pin WB_DRV

-

-

12

V

10

-

-

V