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
Loop compensation PFC (pin PFCCOMP)
gm
IO(PFCCOMP)
Vclamp(PFCCOMP)
transconductance
output current on pin
PFCCOMP
clamp voltage on pin
PFCCOMP
VVOSENSE to IO(PFCCOMP)
60 80 100 μA/V
VVOSENSE = 3.3 V
33 39 45 μA
VVOSENSE = 2.0 V
−45 −39 −33 μA
Low power mode; PFC off; lower [1] 2.5 2.7 2.9 V
clamp voltage
Upper clamp voltage
[1] -
3.9 -
V
Vton(PFCCOMP)zero zero on-time voltage on pin
PFCCOMP
3.4 3.5 3.6 V
Vton(PFCCOMP)max maximum on-time voltage on
pin PFCCOMP
1.20 1.25 1.30 V
Pulse width modulator PFC
ton(PFC)
PFC on-time
Output voltage sensing PFC (pin VOSENSE)
VVINSENSE = 3.3 V;
VPFCCOMP = Vton(PFCCOMP)max
VVINSENSE = 1 V;
VPFCCOMP = Vton(PFCCOMP)max
3.6 4.5 5
μs
30 40 53 μs
Vth(ol)(VOSENSE)
open-loop threshold voltage on
pin VOSENSE
-
0.4 -
V
Vreg(VOSENSE)
regulation voltage on pin
VOSENSE
for IO(PFCCOMP) = 0 A
2.475 2.500 2.525 V
Vovp(VOSENSE)
overvoltage protection voltage
on pin VOSENSE
2.60 2.63 2.67 V
Iprot(VOSENSE)
protection current on pin
VOSENSE
-
−30 -
nA
Overcurrent protection PFC (pin PFCSENSE)
Vsense(PFC)max
maximum PFC sense voltage ΔV/Δt = 50 mV/μs
ΔV/Δt = 200 mV/μs
0.49 0.52 0.55 V
0.52 0.55 0.57 V
tleb(PFC)
PFC leading edge blanking
time
250 310 370 ns
Iprot(PFCSENSE)
protection current on pin
PFCSENSE
−50 -
−5 nA
Soft start PFC (pin PFCSENSE)
Istart(soft)PFC
Vstart(soft)PFC
Rstart(soft)PFC
Oscillator PFC
PFC soft start current
PFC soft start voltage
PFC soft start resistance
enabling voltage
−75 −60 −45 μA
0.46 0.50 0.54 V
12 -
-
kΩ
fsw(PFC)max
maximum PFC switching
frequency
300 380 460 kHz
toff(PFC)min
minimum PFC off-time
0.8 1.1 1.4 μs
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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