SSL21153T/1,118【PDF 8/15 页】IC DRIVER LED SSL 7SOIC

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NXP Semiconductors

SSL2115X

Low-cost non-dimmable LED driver IC

11. Characteristics

Table 6. Characteristics

T amb = 25 ? C, VCC = 20 V; V SENSE = 0 V; R SOURCE = 1.5 ? ; all voltages referenced to GND, positive currents flow into the IC,

unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply

I CC

V CC(startup)

V CC(UVLO)

supply current

start-up supply voltage

undervoltage lockout supply

operating

0.53

15

7.5

0.75

17

8.5

0.97

19

9.5

mA

V

V

voltage

I startup(DRAIN)

V BR(DRAIN)

start-up current on pin DRAIN

breakdown voltage on pin DRAIN

0.2

700

0.7

-

1.6

-

mA

V

Output stage

R DSon

I DRAIN(off)

drain-source on-state resistance

off-state drain current

SSL21151; T j = 25 ? C

SSL21153; T j = 25 ? C

V DRAIN = 325 V

13

3.5

-

15.5

4.8

1

17

6

-

?

?

? A

Temperature protection

T th(otp)

overtemperature protection

junction temperature

140

150

160

? C

threshold temperature

T otp(hys)

overtemperature protection trip

junction temperature

-

50

? C

hysteresis

Peak current comparator (SOURCE pin)

t d(ocp)

t leb

overcurrent protection delay time

leading edge blanking time

dV/dt = 0.2 V/ ? s

-

290

100

325

-

360

ns

ns

V ref(high)pk

high peak reference voltage

maximum peak voltage

0.525

0.555

0.585 V

without jitter

V ref(low)pk

low peak reference voltage

in LED open output mode

0.085

0.1

0.115 V

V ref-0V

reference voltage at start-up or

in CC mode with V FBS = 0 V

0.18

0.21

0.24

V

0 V feedback voltage

Sense input (SENSE pin)

V th(ovp)sence

sense overvoltage protection

3.1

3.2

3.3

V

threshold voltage

V ref(sense)

V th(det)demag(sense)

sense reference voltage

demagnetization detection voltage

LED overvoltage mode

2.5

25

-

50

2.6

75

V

mV

level on Sense pin

Frequency switching

f jit /f sw

jitter frequency to switching

in all operation modes

5

7

9

%

frequency ratio

except in burst mode

f sw(high)

high switching frequency

maximum switching, without

48

50.5

53

kHz

jitter

f sw(low)

low switching frequency

minimum switching, without

21

22.5

24

kHz

jitter.

? max

maximum duty cycle

72

75

78

%

SSL2115X

Product data sheet

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

Rev. 2 — 7 June 2012

? NXP B.V. 2012. All rights reserved.

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