ssl2101 NXP Semiconductors, ssl2101 Datasheet - Page 12

• Manufacturer Part Number: ssl2101
• Description: Smps Ic For Dimmable Led Lighting
• Manufacturer: NXP Semiconductors

NXP Semiconductors
SSL2101_1
Preliminary data sheet
Table 6:
T
positive when flowing into the IC and PWMLIMIT and BRIGHTNESS pins are disconnected unless
otherwise specified. Typical frequency 100 kHz.
Symbol
V
t
V
f
I
Bleeder
V
V
V
R
R
Duty factor regulator: pin PWMLIMIT
I
V
Valley switching
( V/ t)
f
t
ch(RC)
osc
BRIGHTNESS
PWMLIMIT
ring
d(vrec-swon)
amb
RC(max)
BRIGHTNESS
th(SBLEED)
th(low)ISENSE
th(high)ISENSE
PWMLIMIT
DSon(SBLEED)
DSon(WBLEED)
= 25 C; no overtemperature; all voltages are measured with respect to ground; currents are
vrec
Characteristics
Parameter
maximum voltage
on pin RC
charge time on pin
RC
voltage on pin
BRIGHTNESS
oscillator
frequency
current on pin
BRIGHTNESS
threshold voltage
on pin SBLEED
low threshold
voltage on pin
ISENSE
high threshold
voltage on pin
ISENSE
drain-source
on-state
resistance on pin
SBLEED
drain-source
on-state
resistance on pin
WBLEED
current on pin
PWMLIMIT
voltage on pin
PWMLIMIT
valley recognition
voltage change
with time
ringing frequency
valley recognition
to switch-on delay
time
Rev. 01 — 19 January 2009
…continued
Conditions
2.5 V RC2 trip level
180 mV RC2 trip level
75 mV RC2 trip level
V
I
I
maximum duty cycle =
3 V
minimum duty factor
threshold
minimum absolute
value
N
SBLEED
WBLEED
BRIGHTNESS
T
T
T
T
amb
j
amb
j
V
= 125 C
= 125 C
O
= 25 C
= 25 C
= 100 V
= 25 mA
= 10 mA
= 0 V
SMPS IC for dimmable LED lighting
[1]
Min
2.4
-
-
-
-
10
50
-
-
140
200
250
300
-
-
-
200
-
20
25
Typ
2.5
1
0.5
1.25
2.3
100
52
170
225
310
400
-
3
0.45
100
550
150
24
250
100
SSL2101
© NXP B.V. 2009. All rights reserved.
Max
2.6
-
-
-
-
200
56
-
-
200
250
350
500
-
-
-
800
-
28
18
Unit
V
V
V
V
kHz
V
mV
mV
V
V
V/ s
kHz
ns
12 of 21
s
A
A