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TDA4862 Datasheet, PDF (12/17 Pages) Siemens Semiconductor Group – Power-Factor Controller PFC IC for High Power Factor and Active Harmonic Filter | |||
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TDA 4862
Electrical Characteristics (contâd)
Unless otherwise stated, VCC = 12 V, â 40 °C < Tj < 150 °C.
Parameter
Symbol
Limit Values
Unit Test Condition
min. typ.
max.
Multiplier
Input bias current
Dynamic voltage range
MULTIN
VAOUT
Multiplier gain 1)
IBMULTIN
VMULTIN
VVAOUT
K
â1 â
â µA
0 to 3 0 to 4 â V
VFB to VFB to â
V
VFB + 1 VFB + 1.5
0.45 0.65
0.85 1/V
â
VVAOUT = 2.75 V
VMULTIN = 1.0 V
VMULTIN = 2 V
VVAOUT = VFB + 1 V
Restart Timer
Restart time delay
tDLY
75
190
400 µs â
Gate Driver
Output voltage low state VGTDRVL â
0.8
1.8
Output voltage high
V â GTDRVH
9.4
state
8.7
Output voltage active V â GTDRVU
2.0
shut down
Rise time 2)
Fall time 2)
tr
â
100
tf
â
40
1) K = VISENSE / (VMULTIN Ã (VVAOUT â VFB))
2) Guaranted by design, not 100% tested in production.
âV
V
âV
2.6 V
ââ
ââ
IGTDRV = 20 mA
IGTDRV = 200 mA
IGTDRV = â 20 mA
IGTDRV = â 200 mA
IGTDRV = 50 mA
VCC increasing:
0 < VCC < VCCH,
VCC decreasing:
0 < VCC < VCCL
CGTDRV = 1 nF
CGTDRV = 1 nF
Semiconductor Group
12
1998-02-16
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