SSL2115X All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 2 — 7 June 2012 8 of 15
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
supply current operating 0.53 0.75 0.97 mA
V
CC(startup)
start-up supply voltage 15 17 19 V
V
CC(UVLO)
undervoltage lockout supply
voltage
7.5 8.5 9.5 V
I
startup(DRAIN)
start-up current on pin DRAIN 0.2 0.7 1.6 mA
V
BR(DRAIN)
breakdown voltage on pin DRAIN 700 - - V
Output stage
R
DSon
drain-source on-state resistance SSL21151; T
j
=25C 13 15.5 17
SSL21153; T
j
=25C3.54.86
I
DRAIN(off)
off-state drain current V
DRAIN
= 325 V - 1 - A
Temperature protection
T
th(otp)
overtemperature protection
threshold temperature
junction temperature 140 150 160 C
T
otp(hys)
overtemperature protection trip
hysteresis
junction temperature - 50 C
Peak current comparator (SOURCE pin)
t
d(ocp)
overcurrent protection delay time dV/dt = 0.2 V/s - 100 - ns
t
leb
leading edge blanking time 290 325 360 ns
V
ref(high)pk
high peak reference voltage maximum peak voltage
without jitter
0.525 0.555 0.585 V
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
0 V feedback voltage
in CC mode with V
FBS
= 0 V 0.18 0.21 0.24 V
Sense input (SENSE pin)
V
th(ovp)sence
sense overvoltage protection
threshold voltage
3.1 3.2 3.3 V
V
ref(sense)
sense reference voltage LED overvoltage mode 2.5 - 2.6 V
V
th(det)demag(sense)
demagnetization detection voltage
level on Sense pin
25 50 75 mV
Frequency switching
f
jit
/f
sw
jitter frequency to switching
frequency ratio
in all operation modes
except in burst mode
579%
f
sw(high)
high switching frequency maximum switching, without
jitter
48 50.5 53 kHz
f
sw(low)
low switching frequency minimum switching, without
jitter.
21 22.5 24 kHz
max
maximum duty cycle 72 75 78 %
