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TEA1742T Scheda tecnica(PDF) 10 Page - NXP Semiconductors

Il numero della parte TEA1742T
Spiegazioni elettronici  GreenChip PFC controller
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Produttore elettronici  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

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TEA1742T_1
© NXP B.V. 2009. All rights reserved.
Objective data sheet
Rev. 01 — 10 February 2009
10 of 17
NXP Semiconductors
TEA1742T
GreenChip PFC controller
[1]
Equivalent to discharging a 100 pF capacitor through a 1.5 k
Ω series resistor.
[2]
Equivalent to discharging a 200 pF capacitor through a 0.75
µH coil and a 10 Ω resistor.
9.
Thermal characteristics
10. Characteristics
Currents
IPFCSENSE
current on pin PFCSENSE
−1
+10
mA
IPFCDRIVER current on pin PFCDRIVER
duty cycle < 10 %
−0.8
+2
A
General
Ptot
total power dissipation
Tamb <75 °C
-
0.45
W
Tstg
storage temperature
−55
+150
°C
Tj
junction temperature
−20
+150
°C
ESD
VESD
electrostatic discharge
voltage
class 1
human body model
[1] -
2000
V
machine model
[2] -
200
V
charged device model
-
500
V
Table 3.
Limiting values …continued
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
Table 4.
Thermal characteristics
Symbol
Parameter
Conditions
Typ
Unit
Rth(j-a)
thermal resistance from
junction to ambient
in free air; JEDEC test board
150
K/W
Table 5.
Characteristics
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
Supply voltage management (pin VCC)
Vstartup
start-up voltage
10.6
V
Vth(UVLO)
undervoltage lockout threshold
voltage
10.3
V
Vhys
hysteresis voltage
Vstartup − Vth(UVLO)
0.3
V
ICC(oper)
operating supply current
no load on pin PFCDRIVER
-
<tbd>
-
mA
Vrst(latch)
latched reset voltage
4
V
Input Voltage Sensing PFC (pin VINSENSE)
Vstop(VINSENSE)
stop voltage on pin VINSENSE
0.86
0.89
0.92
V
Vstart(VINSENSE)
start voltage on pin VINSENSE
1.11
1.15
1.19
V
∆Vpu(VINSENSE)
pull-up voltage difference on
pin VINSENSE
active after Vstop(VINSENSE) is
detected
-
−100 -
mV


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