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NXP Semiconductors
SSL2103
Dimmable Greenchip controller for LED lighting
Table 6. Characteristics …continued
T amb = 25 ? C; no overtemperature; all voltages are measured with respect to ground; currents are positive when flowing into
the IC; V CC = 20 V and PWMLIMIT and BRIGHTNESS pins are disconnected unless otherwise specified. Typical frequency
100 kHz.
Symbol
Parameter
Conditions
Min
Typ
Max Unit
Duty factor regulator: pin PWMLIMIT
I PWMLIMIT
current on pin PWMLIMIT
? 25
-
? 18
? A
V PWMLIMIT
voltage on pin PWMLIMIT
maximum duty cycle threshold
-
2.6
-
V
V BRIGHTNESS = 3 V
minimum duty cycle threshold
-
0.45
-
V
V BRIGHTNESS = 3 V
Valley switching
( ? V/ ? t) vrec
valley recognition voltage change minimum absolute value
[3]
-
100
-
V/ ? s
with time
f ring
t d(vrec-swon)
ringing frequency
valley recognition to switch-on
N ? V O = 100 V
200
-
500
150
800
-
kHz
ns
delay time
Current and short circuit winding protection
V th(ocp)SOURCE
overcurrent protection threshold
dV/dt = 0.1 V/ ? s
0.46 0.50
0.53 V
voltage on pin SOURCE
V th(swp)SOURCE
short-winding protection threshold dV/dt = 0.1 V/ ? s
-
1.5
-
V
voltage on pin SOURCE
t d(ocp-swoff)
delay time from overcurrent
dV/dt = 0.5 V/ ? s
-
160
185
ns
protection to switch-off
t leb
leading edge blanking time
250
350
450
ns
FET driver output stage
V O(PWR_DRV)
output Voltage on pin PWR_DRV
-
12
V CC
V
t r(PWR_DRV)
rise time on pin PWR_DRV
With maximum input capacitance
-
210
-
ns
4.7 nF on pin PWR_DRV;
V CC = 20 V
t f(PWR_DRV)
fall time on pin PWR_DRV
With maximum input capacitance
-
210
-
ns
4.7 nF on pin PWR_DRV;
V CC = 20 V
Temperature protection
T otp
overtemperature protection
junction temperature
150
160
170
? C
threshold
T otp(hys)
overtemperature protection trip
junction temperature
-
7
-
? C
hysteresis
[1]
[2]
[3]
V CC = 20 V minimum to meet all characteristics.
SB_DRV is active during V CC start-up.
Voltage change in time for valley recognition.
SSL2103
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.2 — 5 December 2011
? NXP B.V. 2011. All rights reserved.
12 of 21
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