SSL4101T View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'SSL4101T' PDF : 29 Pages View PDF
NXP Semiconductors
SSL4101T
GreenChip III+ SMPS control IC
Table 5. Characteristics …continued
Tamb = 25 °C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
the IC; unless otherwise specified.
Symbol
Parameter
Conditions
Min Typ Max Unit
Oscillator flyback
fsw(fb)max
maximum flyback switching
frequency
100 125 150 kHz
Vstart(VCO)FBCTRL VCO start voltage on pin
FBCTRL
1.3 1.5 1.7 V
Vhys(FBCTRL)
hysteresis voltage on pin
FBCTRL
[4] -
60 -
mV
ΔVVCO(FBCTRL)
VCO voltage difference on pin
FBCTRL
-
-0.1 -
V
Peak current control flyback (pin FBCTRL)
VFBCTRL
Vto(FBCTRL)
voltage on pin FBCTRL
time-out voltage on pin
FBCTRL
for maximum flyback peak current
enable voltage
trip voltage
1.85 2.0
-
2.5
4.2 4.5
2.15 V
-
V
4.8 V
Rint(FBCTRL)
internal resistance on pin
FBCTRL
-
3
-
kΩ
IO(FBCTRL)
output current on pin FBCTRL
Ito(FBCTRL)
time-out current on pin
FBCTRL
Valley switching flyback (pin HV)
VFBCTRL = 0 V
VFBCTRL = 2 V
VFBCTRL = 2.6 V
VFBCTRL = 4.1 V
−1.4 −1.19 −0.93 mA
−0.6 −0.5 −0.4 mA
−36 −30 −24 μA
−34.5 −28.5 −22.5 μA
(ΔV/Δt)vrec(fb)
flyback valley recognition
voltage change with time
−75 -
+75 V/μs
td(vrec-swon)
valley recognition to switch-on
delay time
[5] -
150 -
ns
Soft start flyback (pin FBSENSE)
Istart(soft)fb
flyback soft start current
Vstart(soft)fb
flyback soft start voltage
Rstart(soft)fb
flyback soft start resistance
Overcurrent protection flyback (pin FBSENSE)
enable voltage
−75 −60 −45 μA
0.43 0.49 0.54 V
12 -
-
kΩ
Vsense(fb)max
maximum flyback sense
voltage
ΔV/Δt = 50 mV/μs
ΔV/Δt = 200 mV/μs
0.49 0.52 0.55 V
0.52 0.55 0.58 V
tleb(fb)
flyback leading edge blanking
time
255 305 355 ns
Istart(OPP)FBAUX
OPP start current on pin
FBAUX
-
−100 -
μA
Iopp(red)(FBAUX)
reduced overpower protection Vsense(fb)max has reduced to
current on pin FBAUX
0.37 V
-
−360 -
μA
SSL4101T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 21 April 2011
© NXP B.V. 2011. All rights reserved.
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