SSL2103T datasheet(11/21 Pages) NXP

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SSL2103

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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

Tamb =25 C; no overtemperature; all voltages are measured with respect to ground; currents are positive when flowing into

the IC; VCC = 20 V and PWMLIMIT and BRIGHTNESS pins are disconnected unless otherwise specified. Typical frequency

100 kHz.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply

ICC

supply current

normal operation; bleeders

disconnected; VDRAIN =60V;

-1.8

ICC(ch)

charge supply current

VDRAIN  60 V; VCC =0V

6

4.5

VCC

supply voltage

VDRAIN  60 V

[1] 12

VCC(startup)

start-up supply voltage

10.25 -

VCC(UVLO)

undervoltage lockout supply

voltage

-8.2

IDRAIN

current on pin DRAIN

VDRAIN  60 V; with auxiliary supply

125

A

VDRAIN

voltage on pin DRAIN

600

Pulse width modulator



min

minimum duty factor





max

maximum duty cycle

PWMLIMIT= 3 V



SOPS

Vdet(demag)

demagnetization detection

voltage

100

150

tsup(xfmr_ring)

transformer ringing suppression

time

at start of secondary stroke

1.0

1.5

2.0

s

RC oscillator

VRC(min)

minimum voltage on pin RC

VRC(max)

maximum voltage on pin RC

2.4

2.5

2.6

tch(RC)

charge time on pin RC

s

fosc

oscillator frequency

100

130

kHz

IBRIGHTNESS

current on pin BRIGHTNESS

VBRIGHTNESS =0V

20 24

28

A

Driver bleeder

Vth(HVDET)

threshold voltage on pin HVDET

Vth(low)ISENSE

low threshold voltage on pin

ISENSE

250 -

Vth(high)ISENSE

high threshold voltage on pin

ISENSE

100 -

ISB_DRV

current on pin SB_DRV

VSB_DRV  9 V

3.2

3.6

IWB_DRV

current on pin WB_DRV

VWB_DRV  9 V

3.2

3.6

VSB_DRV

voltage on pin SB_DRV

ISB_DRV = 0

ISB_DRV = 2.5 mA

during VCC start-up;

ISB_DRV =2.5 mA

[2] 5.5

VWB_DRV

voltage on pin WB_DRV

IWB_DRV = 0

IWB_DRV = 2.5 mA

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