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SSL2103T/1,518 [NXP]

Dimmable LED controller IC SOIC 14-Pin;
SSL2103T/1,518
型号： SSL2103T/1,518
厂家： NXP    NXP
描述：

Dimmable LED controller IC SOIC 14-Pin

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SSL2103  
Dimmable Greenchip controller for LED lighting  
Rev. 2.2 — 5 December 2011  
Product data sheet  
1. General description  
The SSL2103 is a Switched Mode Power Supply (SMPS) controller IC that operates in  
combination with a phase cut dimmer directly from the rectified mains. It is designed to  
drive LED devices. The device includes a circuit to allow direct start-up from the rectified  
mains voltage.  
For dimmer applications, an integrated dedicated circuitry optimizes the dimming curve.  
• SSL2101: fully integrated LED driver for lamps up to 10 W  
• SSL2102: fully integrated LED driver for lamps up to 25 W  
• SSL2103: gives the application designer flexibility to:  
– Use an external power switch to allow the IC to provide any power  
– Use an external bleeder transistors to provide extended dimmer interoperability  
2. Features and benefits  
Easy migration to existing lighting control infrastructure  
Supports most available dimming solutions  
Optimized efficiency with valley switching managed by a built-in circuitry  
Demagnetization detection  
OverTemperature Protection (OTP)  
Short-Winding Protection (SWP) and OverCurrent Protection (OCP)  
Internal VCC generation allowing start-up from the rectified mains voltage  
Natural dimming curve by logarithmic correction, down to 1 %  
Suitable for flyback and buck applications  
3. Applications  
SSL applications with various power requirements  
LED modules such as LED spots and down-lights  
LED strings suitable for retail displays, etc.  
 
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
4. Quick reference data  
Table 1.  
Symbol  
VCC  
Quick reference data  
Parameter  
Conditions  
Min  
12  
10  
-
Typ  
20  
100  
30  
0
Max  
28  
Unit  
V
[1]  
supply voltage  
VDRAIN 60 V  
fosc  
oscillator frequency  
current on pin DRAIN  
minimum duty factor  
maximum duty cycle  
ambient temperature  
130  
125  
-
kHz  
A  
IDRAIN  
min  
VDRAIN > 60 V; with auxiliary supply  
PWMLIMIT= 3 V  
-
max  
-
75  
-
-
Tamb  
40  
+100  
C  
[1] VCC = 20 V minimum to meet all characteristics.  
5. Ordering information  
Table 2.  
Ordering information  
Type number Package  
Name  
Description  
Version  
SSL2103T  
SO14  
plastic small outline package; 14 leads; body width 3.9 mm  
SOT108-1  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
2 of 21  
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
6. Block diagram  
SB_DRV  
ISENSE  
9
WB_DRV  
2
HVDET  
14  
1
BLEEDER  
3
4
13  
V
SUPPLY  
DRAIN  
CC  
VALLEY  
100 mV  
10  
12  
AUX  
LOGIC  
GND  
PWR_DRV  
Stop  
7
RC  
OSCILLATOR  
Blank  
Low freq  
THERMAL  
SHUTDOWN  
11  
PROTECTION  
LOGIC  
SOURCE  
0.5 V  
POWER - UP  
RESET  
5
6
BRIGHTNESS  
RC2  
FREQUENCY  
REDUCTION  
CIRCUIT  
1.5 V  
Overcurrent  
PWM  
LIMIT  
CIRCUIT  
8
PWMLIMIT  
Short-winding protection  
SSL2103  
001aam651  
Fig 1. Block diagram  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
3 of 21  
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
7. Pinning information  
7.1 Pinning  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
SB_DRV  
WB_DRV  
HVDET  
DRAIN  
V
CC  
PWR_DRV  
SOURCE  
AUX  
GND  
BRIGHTNESS  
RC2  
SSL2103  
ISENSE  
PWMLIMIT  
8
RC  
001aam652  
Fig 2. Pin configuration SO14  
7.2 Pin description  
Table 3.  
Symbol  
SB_DRV  
WB_DRV  
VCC  
Pin description  
Pin Description  
1
strong bleeder switch drive  
weak bleeder switch drive  
supply voltage  
2
3
GND  
4
ground  
BRIGHTNESS  
RC2  
5
brightness input  
6
setting for frequency reduction  
frequency setting  
RC  
7
PWMLIMIT  
ISENSE  
AUX  
8
PWM limit input  
9
current sense input for WBLEED  
10  
11  
12  
13  
14  
input for voltage from auxiliary winding for timing (demagnetization)  
current sense input of external power switch  
power switch drive  
SOURCE  
PWR_DRV  
DRAIN  
drain of external power switch; input for start-up current and valley sensing  
input for high voltage sensing  
HVDET  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
4 of 21  
 
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
8. Functional description  
The SSL2103 is an LED driver IC that operates directly from the rectified mains. The  
SSL2103 uses on-time mode control and frequency control to control the LED brightness.  
The BRIGHTNESS and PWMLIMIT input of the IC can be used to control the LED light  
output in combination with an external dimmer. The PWMLIMIT input can also be used for  
Thermal Lumen Management (TLM) and for precision LED current control.  
8.1 Start-up and Under Voltage Lock Out (UVLO)  
Initially, the IC is self-supplying from the rectified mains voltage. The IC starts switching as  
soon as the voltage on pin VCC passes the VCC(startup) level. The supply can be taken over  
by the auxiliary winding of the transformer as soon as VCC is high enough and the supply  
from the line is stopped for high efficiency operation. Alternatively the IC can be supplied  
via a bleeder resistor connected to a high voltage.  
Remark: The maximum VCC voltage rating of the IC must be considered.  
8.2 Oscillator  
An oscillator inside the IC provides the timing for the switching converter logic.  
The frequency of the oscillator is set by the external resistors and the capacitor on pin RC  
and pin RC2. The external capacitor is charged rapidly to the VRC(max) level and, starting  
from a new primary stroke, discharges to the VRC(min) level. Because the discharge is  
exponential, the relative sensitivity of the duty factor to the regulation voltage at low duty  
factor, is almost equal to the sensitivity at high duty factors. This results in a more constant  
gain over the duty factor range, compared to Pulse Width Modulated (PWM) systems with  
a linear sawtooth oscillator. Stable operation at low duty factors is easily achieved. The  
frequency of the converter when VBRIGHTNESS is high can be calculated using Equation 1:  
1
1
------ -------  
RC =  
– t  
(1)  
ch arge  
3.5 fosc  
R equals the parallel resistance of both oscillator resistors. C is the capacitor connected at  
the RC pin (pin 7).  
The BRIGHTNESS input controls the frequency reduction mode. Figure 3 shows that the  
oscillator switches over from an RC curve with R1/R2, to R1 only. A low BRIGHTNESS  
voltage will reduce the switching frequency.  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
5 of 21  
 
 
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
RC  
OSCILLATOR  
R2  
R1  
5 V  
C1  
10 kΩ  
220 kΩ  
330 pF  
Comparator  
24 μA  
RC2  
BRIGHTNESS  
rc_threshold  
V
V
001aam657  
Fig 3. Brightness control block  
A typical RC waveform is shown in Figure 4. The RC switch-over threshold is controlled  
by the BRIGHTNESS pin.  
To ensure that the capacitor can be charged within the charge time, the value of the  
oscillator capacitor should be limited to 1 nF. Due to leakage current, the value of the  
resistor connected between the RC pin and the ground should be limited to a maximum of  
220 k.  
Voltage  
(mV)  
RC voltage  
rc_threshold  
75 mV  
time  
014aab108  
Fig 4. Brightness timing waveform  
8.3 Duty factor control  
The duty factor is controlled by an internally regulated voltage and the oscillator signal on  
pin RC. The internal regulation voltage is set by the voltage on the PWMLIMIT pin.  
A low PWMLIMIT voltage will results in a low on-time for the external power switch. The  
minimum duty factor of the switched mode power supply can be set to 0 . The maximum  
duty factor is set to 75 .  
8.4 Bleeder for dimming applications  
The SSL2103 IC contains some circuitry intended for mains dimmer compatibility. This  
circuitry can drive two external current sinks, called bleeders. A strong bleeder is used for  
zero-cross reset of the dimmer and TRIAC latching. A weak bleeder is added to maintain  
the hold current through the dimmer.  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
6 of 21  
 
 
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
The SB_DRV output is activated when the maximum voltage on pin HVDET is below the  
th(SBLEED) level (52 V typically). The WB_DRV output is activated as soon as the voltage  
V
on pin ISENSE exceeds the Vth(high)(ISENSE) level (100 mV typically). The WB_DRV  
output is deactivated when the ISENSE voltage drops below the Vth(low)(ISENSE) level  
(250 mV typically). The WB_DRV output is also deactivated when the strong bleeder  
switch is switched on. See Figure 5.  
HVDET  
INTEGRATED  
B1  
LOW V DETECT  
WB_DRV  
Q
S R  
SB_DRV  
−0.1 V  
OR  
−0.25 V  
GND  
001aam658  
ISENSE  
Fig 5. Bleeder circuit  
8.5 Valley switching  
A new cycle is started when the primary switch is switched on (see Figure 6). After a time  
determined by the oscillator voltage, RC and the internal regulation level, the switch is  
turned off and the secondary stroke starts. The internal regulation level is determined by  
the voltage on pin PWMLIMIT.  
After the secondary stroke, the drain voltage shows an oscillation with a frequency of  
approximately:  
1
---------------------------------------------  
(2)  
2    Lp Cp  
where:  
Lp = primary self inductance  
Cp = parasitic capacitance on drain node  
As soon as the oscillator voltage is high again and the secondary stroke has ended, the  
circuit waits for a low drain voltage before starting a new primary stroke.  
Figure 6 shows the drain voltage together with the valley signal, the signal indicating the  
secondary stroke and the RC voltage.  
The primary stroke starts some time before the actual valley at low ringing frequencies,  
and some time after the actual valley at high ringing frequencies.  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
7 of 21  
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
primary  
stroke  
secondary  
stroke  
secondary  
ringing  
drain  
valley  
secondary  
stroke  
A
RC  
oscillator  
B
regulation level  
014aab110  
A: Start of new cycle with valley switching.  
B: Start of new cycle in a classic PWM system.  
Fig 6. Signals for valley switching, flyback configuration  
Figure 7 shows a typical curve for a reflected output voltage N at an output voltage of  
80 V. This voltage is the output voltage transferred to the primary side of the transformer  
with the factor N (determined by the turns ratio of the transformer). It shows that the  
system switches exactly at minimum drain voltage for ringing frequencies of 480 kHz, thus  
reducing the switch-on losses to a minimum. At 130 kHz, the next primary stroke is started  
at 33before the valley. The switch-on losses are still reduced significantly.  
014aab111  
40  
phase  
(°)  
20  
0
−20  
−40  
0
200  
400  
600  
800  
f (kHz)  
Fig 7. Typical phase of drain ringing at switch-on (at N Vo = 80 V)  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
8 of 21  
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
8.6 Demagnetization  
The system operates in discontinuous conduction mode if the AUX pin is connected. As  
long as the secondary stroke has not ended, the oscillator will not start a new primary  
stroke. During the first tsup(xfmr_ring) seconds, demagnetization recognition is suppressed.  
This suppression may be necessary in applications where the transformer has a large  
leakage inductance and at low output voltages.  
8.7 Overcurrent protection  
The cycle-by-cycle peak drain current limit circuit uses the external source resistor RSENSE  
to measure the current. The circuit is activated after the leading edge blanking time tleb  
.
The protection circuit limits the source voltage over the RSENSE1 resistor to Vth(ocp)SOURCE  
and thus limits the primary peak current.  
,
8.8 Short-winding protection  
The short-winding protection circuit is also activated after the leading edge blanking time.  
If the source voltage exceeds the short-winding protection threshold voltage  
V
th(swp)SOURCE, the IC stops switching. Only a power-on reset will restart normal operation.  
The short-winding protection also protects in case of a secondary diode short circuit.  
8.9 Overtemperature protection  
Accurate temperature protection is provided in the device. When the junction temperature  
exceeds the thermal shut-down temperature, the IC stops switching. During thermal  
protection, the IC current is lowered to the start-up current. The IC continues normal  
operation as soon as the overtemperature situation has disappeared.  
1. RSENSE is the resistor between the SOURCE pin and GND  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
9 of 21  
 
 
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
9. Limiting values  
Table 4.  
Limiting values  
In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are measured with respect to ground;  
positive currents flow into the device.  
Symbol  
Voltages  
VCC  
Parameter  
Conditions  
Min  
Max  
Unit  
[1]  
[1]  
supply voltage  
continuous  
0.4  
0.4  
0.4  
0.4  
0.4  
0.4  
0.4  
0.4  
+28  
+3  
V
V
V
V
V
V
V
V
VRC  
voltage on pin RC  
VRC2  
voltage on pin RC2  
+3  
VBRIGHTNESS  
VPWMLIMIT  
VSOURCE  
VDRAIN  
VHVDET  
Currents  
IISENSE  
IAUX  
voltage on pin BRIGHTNESS  
voltage on pin PWMLIMIT  
voltage on pin SOURCE  
voltage on pin DRAIN  
voltage on pin HVDET  
+5  
+5  
+5  
Tamb = 25 C  
Tamb = 25 C  
+600  
+600  
[2]  
[2]  
current on pin ISENSE  
current on pin AUX  
20  
10  
+5  
mA  
mA  
mA  
mA  
+5  
ISB_DRV  
IWB_DRV  
General  
Ptot  
current on pin SB_DRV  
current on pin WB_DRV  
+3.6  
+3.6  
total power dissipation  
storage temperature  
ambient temperature  
junction temperature  
Tamb = 70 C  
-
250  
mW  
C  
Tstg  
55  
40  
40  
+150  
+100  
+150  
Tamb  
C  
Tj  
C  
[3]  
[4]  
VESD  
electrostatic discharge voltage human body model;  
Pins 13 and 14  
1000 +1000  
2000 +2000  
V
V
V
All other pins  
charged device model  
500  
+500  
[1] Pins VCC and RC cannot be current driven.  
[2] Pins ISENSE and AUX cannot be voltage driven.  
[3] Human body model: equivalent to discharging a 100 pF capacitor through a 1.5 kseries resistor.  
[4] Charged device model: equivalent to charging the IC up to 1 kV and the subsequent discharging of each pin down to 0 V over a 1   
resistor.  
10. Thermal characteristics  
Table 5.  
Symbol  
Rth(j-a)  
Thermal characteristics  
Parameter  
Conditions  
Typ  
123  
7
Unit  
K/W  
K/W  
thermal resistance from junction to ambient  
in free air, on JESD51-3 board  
j-top  
thermal characterization parameter from junction to top in free air, on JESD51-3 board  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
10 of 21  
 
 
 
 
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for 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  
Supply  
ICC  
Parameter  
Conditions  
Min Typ  
Max Unit  
supply current  
normal operation; bleeders  
disconnected; VDRAIN = 60 V;  
-
1.8  
-
mA  
ICC(ch)  
charge supply current  
supply voltage  
VDRAIN 60 V; VCC = 0 V  
VDRAIN 60 V  
6  
12  
-
4.5  
-
mA  
V
[1]  
VCC  
20  
28  
VCC(startup)  
VCC(UVLO)  
start-up supply voltage  
10.25 -  
V
undervoltage lockout supply  
voltage  
-
8.2  
-
V
IDRAIN  
current on pin DRAIN  
voltage on pin DRAIN  
VDRAIN 60 V; with auxiliary supply  
-
30  
-
125 A  
VDRAIN  
40  
600  
V
Pulse width modulator  
min  
minimum duty factor  
-
-
0
-
-
max  
maximum duty cycle  
PWMLIMIT= 3 V  
75  
SOPS  
Vdet(demag)  
demagnetization detection  
voltage  
50  
100  
150 mV  
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  
maximum voltage on pin RC  
charge time on pin RC  
60  
75  
90  
2.6  
-
mV  
V
VRC(max)  
2.4 2.5  
tch(RC)  
-
1
s  
fosc  
oscillator frequency  
10  
100  
130 kHz  
IBRIGHTNESS  
Driver bleeder  
Vth(HVDET)  
Vth(low)ISENSE  
current on pin BRIGHTNESS  
VBRIGHTNESS = 0 V  
20 24  
28 A  
threshold voltage on pin HVDET  
46  
-
52  
56  
-
V
low threshold voltage on pin  
ISENSE  
250  
mV  
Vth(high)ISENSE  
high threshold voltage on pin  
ISENSE  
-
100  
-
mV  
ISB_DRV  
IWB_DRV  
VSB_DRV  
current on pin SB_DRV  
current on pin WB_DRV  
voltage on pin SB_DRV  
VSB_DRV 9 V  
VWB_DRV 9 V  
ISB_DRV = 0  
-
3.2  
3.2  
-
3.6  
3.6  
12  
-
mA  
mA  
V
-
-
ISB_DRV = 2.5 mA  
-
10  
-
V
[2]  
during VCC start-up;  
ISB_DRV = 2.5 mA  
5.5  
-
V
VWB_DRV  
voltage on pin WB_DRV  
IWB_DRV = 0  
-
-
-
12  
-
V
V
IWB_DRV = 2.5 mA  
10  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
11 of 21  
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
Table 6.  
Characteristics …continued  
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  
Duty factor regulator: pin PWMLIMIT  
IPWMLIMIT current on pin PWMLIMIT  
VPWMLIMIT voltage on pin PWMLIMIT  
Parameter  
Conditions  
Min Typ Max Unit  
25  
-
18 A  
maximum duty cycle threshold  
VBRIGHTNESS = 3 V  
-
2.6  
-
V
minimum duty cycle threshold  
-
-
0.45  
100  
-
V
VBRIGHTNESS = 3 V  
Valley switching  
[3]  
(V/t)vrec  
valley recognition voltage change minimum absolute value  
with time  
-
V/s  
fring  
ringing frequency  
N VO = 100 V  
200 500 800 kHz  
td(vrec-swon)  
valley recognition to switch-on  
delay time  
-
150  
-
ns  
Current and short circuit winding protection  
Vth(ocp)SOURCE  
Vth(swp)SOURCE  
td(ocp-swoff)  
tleb  
overcurrent protection threshold dV/dt = 0.1 V/s  
voltage on pin SOURCE  
0.46 0.50 0.53  
V
V
short-winding protection threshold dV/dt = 0.1 V/s  
voltage on pin SOURCE  
-
-
1.5  
-
delay time from overcurrent  
protection to switch-off  
dV/dt = 0.5 V/s  
160 185 ns  
leading edge blanking time  
250 350 450 ns  
FET driver output stage  
VO(PWR_DRV) output Voltage on pin PWR_DRV  
tr(PWR_DRV)  
-
-
12  
VCC  
-
V
rise time on pin PWR_DRV  
With maximum input capacitance  
4.7 nF on pin PWR_DRV;  
VCC = 20 V  
210  
ns  
tf(PWR_DRV)  
fall time on pin PWR_DRV  
With maximum input capacitance  
4.7 nF on pin PWR_DRV;  
VCC = 20 V  
-
210  
-
ns  
Temperature protection  
Totp  
overtemperature protection  
threshold  
junction temperature  
junction temperature  
150 160 170 C  
C  
Totp(hys)  
overtemperature protection trip  
hysteresis  
-
7
-
[1] VCC = 20 V minimum to meet all characteristics.  
[2] SB_DRV is active during VCC start-up.  
[3] Voltage change in time for valley recognition.  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
12 of 21  
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
014aab112  
100  
f
osc  
(kHz)  
f
max  
80  
60  
40  
20  
0
f
min  
0
1
2
3
V
(V)  
BRIGHTNESS  
Fig 8. Typical frequency as a function of voltage on pin BRIGHTNESS (with RC value  
given in Figure 3)  
014aab113  
12  
t
on  
(μs)  
8
4
0
0
1
2
3
V
(V)  
PWMLIMIT  
VBRIGHTNESS = 3 V  
Fig 9. Turn-on time as a function of voltage on pin PWMLIMIT (with RC value given in  
Figure 3)  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
13 of 21  
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
014aab114  
120  
t
on  
(μs)  
80  
40  
0
0
1
2
3
V
(V)  
PWMLIMIT  
VBRIGHTNESS = 1 V  
Fig 10. Turn-on time as a function of voltage on pin PWMLIMIT (with RC value given in  
Figure 3)  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
14 of 21  
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
12. Application information  
MAINS  
V
CC  
V
CC  
WB_DRV  
SB_DRV  
HVDET  
V
CC  
GND  
RC  
DRAIN  
PWR_DRV  
SOURCE  
SSL2103  
RC2  
TLM  
V
CC  
AUX  
BRIGHTNESS  
PWMLIMIT  
ISENSE  
Dim range  
001aam653  
Fig 11. Buck configuration for SSL2103  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
15 of 21  
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
MAINS  
WB_DRV  
SB_DRV  
V
CC  
HVDET  
GND  
RC  
DRAIN  
PWR_DRV  
SOURCE  
SSL2103  
RC2  
AUX  
BRIGHTNESS  
PWMLIMIT  
ISENSE  
Precision current  
001aam654  
Fig 12. Flyback configuration for SSL2103  
Further application information can be found in the SSL2103 application notes.  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
16 of 21  
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
13. Package outline  
SO14: plastic small outline package; 14 leads; body width 3.9 mm  
SOT108-1  
D
E
A
X
v
c
y
H
M
A
E
Z
8
14  
Q
A
2
A
(A )  
3
A
1
pin 1 index  
θ
L
p
L
1
7
e
detail X  
w
M
b
p
0
2.5  
scale  
5 mm  
DIMENSIONS (inch dimensions are derived from the original mm dimensions)  
A
(1)  
(1)  
(1)  
UNIT  
A
A
A
b
c
D
E
e
H
L
L
p
Q
v
w
y
Z
θ
1
2
3
p
E
max.  
0.25  
0.10  
1.45  
1.25  
0.49  
0.36  
0.25  
0.19  
8.75  
8.55  
4.0  
3.8  
6.2  
5.8  
1.0  
0.4  
0.7  
0.6  
0.7  
0.3  
mm  
1.75  
1.27  
0.05  
1.05  
0.25  
0.01  
0.25  
0.1  
0.25  
0.01  
8o  
0o  
0.010 0.057  
0.004 0.049  
0.019 0.0100 0.35  
0.014 0.0075 0.34  
0.16  
0.15  
0.244  
0.228  
0.039 0.028  
0.016 0.024  
0.028  
0.012  
inches  
0.041  
0.01 0.004  
0.069  
Note  
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.  
REFERENCES  
OUTLINE  
EUROPEAN  
PROJECTION  
ISSUE DATE  
VERSION  
IEC  
JEDEC  
JEITA  
99-12-27  
03-02-19  
SOT108-1  
076E06  
MS-012  
Fig 13. Package outline SOT108-1 (SO14)  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
17 of 21  
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
14. Revision history  
Table 7.  
Revision history  
Document ID  
SSL2103 v.2.2  
Modifications:  
Release date  
Data sheet status  
Change notice  
Supersedes  
20111205  
Product data sheet  
-
SSL2103 v.2.1  
• GreenChip trademark has been added.  
• Section 1 “General description” has been updated.  
• Section 2 “Features and benefits” has been updated.  
• Section 3 “Applications” has been updated.  
SSL2103 v.2.1  
SSL2103 v.2  
SSL2103 v.1  
20110825  
20101125  
20101011  
Product data sheet  
Product data sheet  
Preliminary data sheet  
-
-
-
SSL2103 v.2.0  
SSL2103 v.1  
-
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
18 of 21  
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
15. Legal information  
15.1 Data sheet status  
Document status[1][2]  
Product status[3]  
Development  
Definition  
Objective [short] data sheet  
This document contains data from the objective specification for product development.  
This document contains data from the preliminary specification.  
This document contains the product specification.  
Preliminary [short] data sheet Qualification  
Product [short] data sheet Production  
[1]  
[2]  
[3]  
Please consult the most recently issued document before initiating or completing a design.  
The term ‘short data sheet’ is explained in section “Definitions”.  
The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status  
information is available on the Internet at URL http://www.nxp.com.  
malfunction of an NXP Semiconductors product can reasonably be expected  
15.2 Definitions  
to result in personal injury, death or severe property or environmental  
damage. NXP Semiconductors accepts no liability for inclusion and/or use of  
NXP Semiconductors products in such equipment or applications and  
therefore such inclusion and/or use is at the customer’s own risk.  
Draft — The document is a draft version only. The content is still under  
internal review and subject to formal approval, which may result in  
modifications or additions. NXP Semiconductors does not give any  
representations or warranties as to the accuracy or completeness of  
information included herein and shall have no liability for the consequences of  
use of such information.  
Applications — Applications that are described herein for any of these  
products are for illustrative purposes only. NXP Semiconductors makes no  
representation or warranty that such applications will be suitable for the  
specified use without further testing or modification.  
Short data sheet — A short data sheet is an extract from a full data sheet  
with the same product type number(s) and title. A short data sheet is intended  
for quick reference only and should not be relied upon to contain detailed and  
full information. For detailed and full information see the relevant full data  
sheet, which is available on request via the local NXP Semiconductors sales  
office. In case of any inconsistency or conflict with the short data sheet, the  
full data sheet shall prevail.  
Customers are responsible for the design and operation of their applications  
and products using NXP Semiconductors products, and NXP Semiconductors  
accepts no liability for any assistance with applications or customer product  
design. It is customer’s sole responsibility to determine whether the NXP  
Semiconductors product is suitable and fit for the customer’s applications and  
products planned, as well as for the planned application and use of  
customer’s third party customer(s). Customers should provide appropriate  
design and operating safeguards to minimize the risks associated with their  
applications and products.  
Product specification — The information and data provided in a Product  
data sheet shall define the specification of the product as agreed between  
NXP Semiconductors and its customer, unless NXP Semiconductors and  
customer have explicitly agreed otherwise in writing. In no event however,  
shall an agreement be valid in which the NXP Semiconductors product is  
deemed to offer functions and qualities beyond those described in the  
Product data sheet.  
NXP Semiconductors does not accept any liability related to any default,  
damage, costs or problem which is based on any weakness or default in the  
customer’s applications or products, or the application or use by customer’s  
third party customer(s). Customer is responsible for doing all necessary  
testing for the customer’s applications and products using NXP  
Semiconductors products in order to avoid a default of the applications and  
the products or of the application or use by customer’s third party  
customer(s). NXP does not accept any liability in this respect.  
15.3 Disclaimers  
Limiting values — Stress above one or more limiting values (as defined in  
the Absolute Maximum Ratings System of IEC 60134) will cause permanent  
damage to the device. Limiting values are stress ratings only and (proper)  
operation of the device at these or any other conditions above those given in  
the Recommended operating conditions section (if present) or the  
Characteristics sections of this document is not warranted. Constant or  
repeated exposure to limiting values will permanently and irreversibly affect  
the quality and reliability of the device.  
Limited warranty and liability — Information in this document is believed to  
be accurate and reliable. However, NXP Semiconductors does not give any  
representations or warranties, expressed or implied, as to the accuracy or  
completeness of such information and shall have no liability for the  
consequences of use of such information.  
In no event shall NXP Semiconductors be liable for any indirect, incidental,  
punitive, special or consequential damages (including - without limitation - lost  
profits, lost savings, business interruption, costs related to the removal or  
replacement of any products or rework charges) whether or not such  
damages are based on tort (including negligence), warranty, breach of  
contract or any other legal theory.  
Terms and conditions of commercial sale — NXP Semiconductors  
products are sold subject to the general terms and conditions of commercial  
sale, as published at http://www.nxp.com/profile/terms, unless otherwise  
agreed in a valid written individual agreement. In case an individual  
agreement is concluded only the terms and conditions of the respective  
agreement shall apply. NXP Semiconductors hereby expressly objects to  
applying the customer’s general terms and conditions with regard to the  
purchase of NXP Semiconductors products by customer.  
Notwithstanding any damages that customer might incur for any reason  
whatsoever, NXP Semiconductors’ aggregate and cumulative liability towards  
customer for the products described herein shall be limited in accordance  
with the Terms and conditions of commercial sale of NXP Semiconductors.  
Right to make changes — NXP Semiconductors reserves the right to make  
changes to information published in this document, including without  
limitation specifications and product descriptions, at any time and without  
notice. This document supersedes and replaces all information supplied prior  
to the publication hereof.  
No offer to sell or license — Nothing in this document may be interpreted or  
construed as an offer to sell products that is open for acceptance or the grant,  
conveyance or implication of any license under any copyrights, patents or  
other industrial or intellectual property rights.  
Export control — This document as well as the item(s) described herein  
may be subject to export control regulations. Export might require a prior  
authorization from competent authorities.  
Suitability for use — NXP Semiconductors products are not designed,  
authorized or warranted to be suitable for use in life support, life-critical or  
safety-critical systems or equipment, nor in applications where failure or  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
19 of 21  
 
 
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
Quick reference data — The Quick reference data is an extract of the  
product data given in the Limiting values and Characteristics sections of this  
document, and as such is not complete, exhaustive or legally binding.  
whenever customer uses the product for automotive applications beyond  
NXP Semiconductors’ specifications such use shall be solely at customer’s  
own risk, and (c) customer fully indemnifies NXP Semiconductors for any  
liability, damages or failed product claims resulting from customer design and  
use of the product for automotive applications beyond NXP Semiconductors’  
standard warranty and NXP Semiconductors’ product specifications.  
Non-automotive qualified products — Unless this data sheet expressly  
states that this specific NXP Semiconductors product is automotive qualified,  
the product is not suitable for automotive use. It is neither qualified nor tested  
in accordance with automotive testing or application requirements. NXP  
Semiconductors accepts no liability for inclusion and/or use of  
15.4 Trademarks  
non-automotive qualified products in automotive equipment or applications.  
In the event that customer uses the product for design-in and use in  
automotive applications to automotive specifications and standards, customer  
(a) shall use the product without NXP Semiconductors’ warranty of the  
product for such automotive applications, use and specifications, and (b)  
Notice: All referenced brands, product names, service names and trademarks  
are the property of their respective owners.  
GreenChip — is a trademark of NXP B.V.  
16. Contact information  
For more information, please visit: http://www.nxp.com  
For sales office addresses, please send an email to: salesaddresses@nxp.com  
SSL2103  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2.2 — 5 December 2011  
20 of 21  
 
 
SSL2103  
NXP Semiconductors  
Dimmable Greenchip controller for LED lighting  
17. Contents  
1
2
3
4
5
6
General description. . . . . . . . . . . . . . . . . . . . . . 1  
Features and benefits . . . . . . . . . . . . . . . . . . . . 1  
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2  
Ordering information. . . . . . . . . . . . . . . . . . . . . 2  
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
7
7.1  
7.2  
Pinning information. . . . . . . . . . . . . . . . . . . . . . 4  
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4  
8
Functional description . . . . . . . . . . . . . . . . . . . 5  
Start-up and Under Voltage Lock Out (UVLO) . 5  
Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Duty factor control . . . . . . . . . . . . . . . . . . . . . . 6  
Bleeder for dimming applications . . . . . . . . . . . 6  
Valley switching . . . . . . . . . . . . . . . . . . . . . . . . 7  
Demagnetization. . . . . . . . . . . . . . . . . . . . . . . . 9  
Overcurrent protection . . . . . . . . . . . . . . . . . . . 9  
Short-winding protection. . . . . . . . . . . . . . . . . . 9  
Overtemperature protection . . . . . . . . . . . . . . . 9  
8.1  
8.2  
8.3  
8.4  
8.5  
8.6  
8.7  
8.8  
8.9  
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 10  
Thermal characteristics . . . . . . . . . . . . . . . . . 10  
Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . 11  
Application information. . . . . . . . . . . . . . . . . . 15  
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17  
Revision history. . . . . . . . . . . . . . . . . . . . . . . . 18  
10  
11  
12  
13  
14  
15  
Legal information. . . . . . . . . . . . . . . . . . . . . . . 19  
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 19  
Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
15.1  
15.2  
15.3  
15.4  
16  
17  
Contact information. . . . . . . . . . . . . . . . . . . . . 20  
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
Please be aware that important notices concerning this document and the product(s)  
described herein, have been included in section ‘Legal information’.  
© NXP B.V. 2011.  
All rights reserved.  
For more information, please visit: http://www.nxp.com  
For sales office addresses, please send an email to: salesaddresses@nxp.com  
Date of release: 5 December 2011  
Document identifier: SSL2103  
 

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