ssl1750 NXP Semiconductors, ssl1750 Datasheet - Page 21

• Manufacturer Part Number: ssl1750
• Description: Smps Control Ic For Led Drivers
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
Measurement data valid at T
positive when flowing into the IC; unless otherwise specified.
SSL1750_1
Product data sheet
Symbol
Supply voltage management (pin V
V
V
V
V
V
I
I
I
Input voltage sensing PFC (pin VINSENSE)
V
V
I
V
V
V
I
Loop compensation PFC(pin PFCCOMP)
g
I
V
V
V
ch(low)
ch(high)
CC(oper)
pu(VINSENSE)
I(VINSENSE)
O(PFCCOMP)
m
V
trip
startup
th(UVLO)
start(hys)
hys
stop(VINSENSE)
start(VINSENSE)
mvc(VINSENSE)max
flr
flr(hys)
clamp(PFCCOMP)
ton(PFCCOMP)zero
ton(PFCCOMP)max
pu(VINSENSE)
Characteristics
Parameter
trip voltage
start-up voltage
undervoltage lockout
threshold voltage
hysteresis of start voltage
hysteresis voltage
low charging current
high charging current
operating supply current
stop voltage on pin
VINSENSE
start voltage on pin
VINSENSE
pull-up voltage difference on
pin VINSENSE
pull-up current on pin
VINSENSE
maximum mains voltage
compensation voltage on pin
VINSENSE
fast latch reset voltage
hysteresis of fast latch reset
voltage
input current on pin
VINSENSE
transconductance
output current on pin
PFCCOMP
clamp voltage on pin
PFCCOMP
zero on-time voltage on pin
PFCCOMP
maximum on-time voltage
on pin PFCCOMP
amb
…continued
= 25 C; V
CC
)
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are
Rev. 01 — 15 September 2008
Conditions
during start-up phase
V
V
V
V
V
no load on pin FBDRIVER and
PFCDRIVER
active after V
detected
active after V
detected
active after V
V
V
V
V
V
low power mode, PFC in burst
mode, lower clamp voltage
upper clamp voltage
startup
I
th(UVLO)
I
trip
VINSENSE
start(VINSENSE)
VOSENSE
VOSENSE
VOSENSE
on pin HV > 80 V; V
on pin HV > 80 V;
< V
CC
V
< V
to I
= 3.3 V
= 2.0 V
> V
th(UVLO)
< V
CC
stop(VINSENSE)
stop(VINSENSE)
th(UVLO)
O(PFCCOMP)
stop(VINSENSE)
th(UVLO)
is detected
< V
startup
is detected
CC
< V
is
is
after
trip
or
SMPS control IC for LED drivers
[1]
[1]
Min
0.55
21
14
-
6.3
2.25
0.86
1.11
-
4.0
-
-
5
60
33
2.5
-
3.4
1.20
1.2
6.3
55
45
Typ
0.65
22
15
300
7
3
0.89
1.15
-
0.75
0.12
33
80
39
2.7
3.9
3.5
1.25
1
5.4
100
47
39
SSL1750
© NXP B.V. 2008. All rights reserved.
Max
0.75
23
16
-
7.7
3.75
0.92
1.19
-
-
-
-
100
100
45
2.9
-
3.6
1.30
0.8
4.6
40
33
Unit
V
V
V
mV
V
mA
mA
mA
V
V
mV
V
V
V
nA
V
V
V
V
21 of 29
A
A/V
A
A