TEA1751LT/N1 NXP Semiconductors, TEA1751LT/N1 Datasheet - Page 23

• Manufacturer Part Number: TEA1751LT/N1
• Description: AC-DC, PFC, FLYBACK, CNTRL, 16SOIC
• Manufacturer: NXP Semiconductors

Specifications of TEA1751LT/N1

• Input Voltage: 276V
• Output Current: 1.2A
• Output Voltage: 11V
• No. Of Outputs: 2
• Power Dissipation Pd: 600mW
• Voltage Regulator Case Style: SOIC
• No. Of Pins: 16
• Operating Temperature Range: -40°C To
• Supply Voltage Range: 21V To 23V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
Table 5.
T
the IC; unless otherwise specified.
TEA1751T_LT_2
Product data sheet
Symbol
I
V
Overvoltage protection flyback (pin FBAUX)
I
N
Demagnetization management flyback (pin FBAUX)
V
I
V
t
Pulse width modulator flyback
t
t
Oscillator flyback
f
V
V
ΔV
Peak current control flyback (pin FBCTRL)
V
V
R
I
I
Valley switching flyback (pin HV)
(ΔV/Δt)
sink(PFCDRIVER)
ovp(FBAUX)
prot(FBAUX)
sup(xfmr_ring)
on(fb)min
on(fb)max
sw(fb)max
O(FBCTRL)
to(FBCTRL)
amb
O(PFCDRIVER)max
th(comp)FBAUX
clamp(FBAUX)
start(VCO)FBCTRL
hys(FBCTRL)
FBCTRL
to(FBCTRL)
cy(ovp)
int(FBCTRL)
VCO(FBCTRL)
= 25
vrec(fb)
°
C; V
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
sink current on pin
PFCDRIVER
maximum output voltage on pin
PFCDRIVER
overvoltage protection current
on pin FBAUX
number of overvoltage
protection cycles
comparator threshold voltage
on pin FBAUX
protection current on pin
FBAUX
clamp voltage on pin FBAUX
transformer ringing
suppression time
minimum flyback on-time
maximum flyback on-time
maximum flyback switching
frequency
VCO start voltage on pin
FBCTRL
hysteresis voltage on pin
FBCTRL
VCO voltage difference on pin
FBCTRL
voltage on pin FBCTRL
time-out voltage on pin
FBCTRL
internal resistance on pin
FBCTRL
output current on pin FBCTRL
time-out current on pin
FBCTRL
flyback valley recognition
voltage change with time
…continued
Rev. 02 — 23 December 2009
Conditions
V
V
V
I
I
for maximum flyback peak current
enable voltage
trip voltage
V
V
V
V
FBAUX
FBAUX
PFCDRIVER
PFCDRIVER
FBAUX
FBCTRL
FBCTRL
FBCTRL
FBCTRL
= −500 μA
= 500 μA
= 50 mV
= 0 V
= 2 V
= 2.6 V
= 4.1 V
= 2 V
= 10 V
TEA1751T; TEA1751LT
[4]
GreenChip III SMPS control IC
Min
-
-
-
279
6
60
−50
−1.0
0.5
1.5
-
32
100
1.3
-
-
1.85
-
4.2
-
−1.4
−0.6
−36
−34.5 −28.5 −22.5 μA
−75
Typ
0.7
11
300
8
80
-
−0.8
0.7
2
t
40
125
1.5
60
-0.1
2.0
2.5
3
−1.19 −0.93 mA
−0.5
−30
-
1.2
4.5
leb
© NXP B.V. 2009. All rights reserved.
Max
-
-
12
321
12
110
−5
−0.6
0.9
2.5
-
48
150
1.7
-
-
2.15
-
4.8
-
−0.4
−24
+75
Unit
A
A
V
μA
mV
nA
V
V
μs
ns
μs
kHz
V
mV
V
V
V
V
kΩ
mA
μA
V/μs
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