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UBA2021T View Datasheet(PDF) - NXP Semiconductors.

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Description
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UBA2021T
NXP
NXP Semiconductors. NXP
UBA2021T Datasheet PDF : 16 Pages
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NXP Semiconductors
UBA2021
630 V driver IC for CFL and TL lamps
Table 7. Characteristics …continued
VVS = 11 V; VFS - VS1 = 11 V; Tamb = 25 °C; all voltages referenced to ground; unless otherwise specified. See Figure 8.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IVS(clamp)
clamp current
Preheat mode
VVS < 17 V
-
14
35
mA
fstart
starting frequency
VCI = 0 V
98
108
118
kHz
tg
conducting time T1 and T2 fstart = 108 kHz
-
3.2
-
µs
ICI(charge)
charge current at pin CI
VCI = 1.5 V; VRS = 0.3 V
38
44
50
µA
ICI(discharge) discharge current at pin CI VCI = 1.5 V; VRS = 0.9 V
79
93
107
µA
tph
preheat time
599
666
733
ms
ICP(charge)
charge current at pin CP
VCP = 1 V
-
6
-
µA
ICP(discharge) discharge current at pin CP VCP = 1 V
-
5.95
-
µA
VCP(pk)
peak voltage difference at
pin CP
when timing
-
2.5
-
V
VRS(ctrl)
control voltage at pin RS
Frequency sweep to ignition
[3] 636
600
564
mV
ICI(charge)
charge current at pin CI
fB
bottom frequency
tign
ignition time
Normal operation
VCI = 1.5 V; f 85 kHz
VCI at clamp level
0.8
1
1.2
µA
-
42.9
-
kHz
-
625
-
µs
fB
bottom frequency
tg
conducting time T1 and T2 fB = 43 kHz
tno
non-overlap conductance
time
41.21
42.9
-
10.2
1.05
1.4
44.59
kHz
-
µs
1.75
µs
Itot
VRS(cap)
total supply current
capacitive mode control
voltage
fB = 43 kHz
[4] 0.85
1
[5] 0
20
1.1
mA
40
mV
VRREF
VG1(on)
VG1(off)
VG2(on)
VG2(off)
RG1(on)
reference voltage
on voltage at pin G1
off voltage at pin G1
on voltage at pin G2
off voltage at pin G2
high side driver on
resistance
IG1= 1 mA
IG1= 1 mA
IG2= 1 mA
IG2= 1 mA
V(G1 - S1) = 3 V
[6] 2.425
2.5
10.5
-
-
-
10.5
-
-
-
[7] 100
126
2.575
V
-
V
0.3
V
-
V
0.3
V
152
RG1(off)
high side driver off
resistance
V(G1 - S1) = 3 V
[7] 60
75
90
RG2(on)
RG2(off)
Vdrop
low side driver on resistance
low side driver off resistance
voltage drop at bootstrap
switch
VG2 = 3 V
VG2 = 3 V
IFS = 5 mA
[7] 100
126
152
[7] 60
75
90
0.6
1
1.4
V
Feed-forward
Ri(RHV)
Ii(RHV)
input resistance at pin RHV
operating range of input
current at
[8] 1.54
2.2
0
-
2.86
k
1000
µA
pin RHV
UBA2021_4
Product data sheet
Rev. 04 — 25 July 2008
© NXP B.V. 2008. All rights reserved.
9 of 16
 

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