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UBA2024 Datasheet PDF : 14 Pages
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NXP Semiconductors
UBA2024
Half-bridge power IC for CFL lamps
Table 5. Characteristics …continued
Tj = 25 °C; all voltages are measured with respect to SGND; positive currents flow into the IC.
Symbol Parameter
Conditions
Min
Typ
VF
forward voltage
IDsat
drain saturation current
HS; IF = 200 mA
-
-
LS; IF = 200 mA
-
-
bootstrap diode;
IF = 1 mA
0.7
1.0
HS; VDS = 30 V; Tj ≤ 125 °C; VHV = 310 V
UBA2024P
900
-
UBA2024AP
1350
-
UBA2024T
900
-
UBA2024AT
1200
-
LS; VDS = 30 V; Tj ≤ 125 °C
UBA2024P
900
-
UBA2024AP
1350
-
UBA2024T
900
-
UBA2024AT
1200
-
tno
Vfloat(UVLO)
non-overlap time
undervoltage lockout floating
voltage
1
1.35
3.6
4.2
IFS
current on pin FS
Internal oscillator
VHV = 310 V;
VFS = 12.2 V
10
14
fosc
oscillator frequency
∆fosc/fosc
relative oscillator frequency
variation
kH
Vtrip(osc)high
kL
Vtrip(osc)low
Kosc
high-level trip point factor
high oscillator trip voltage
low-level trip point factor
low oscillator trip voltage
oscillator constant
Sweep function
VSW = 0 V
VSW = VDD
operating; nominal;
ROSC = 100 kΩ;
COSC = 220 pF;
VSW = VDD
ROSC = 100 kΩ;
COSC = 220 pF;
−20 °C ≤ Tj ≤ +150 °C
Vtrip(osc)high = kH × VDD
Vtrip(osc)low = kL × VDD
ROSC = 100 kΩ;
COSC = 220 pF
-
-
40.05
150
-
41.32
-
2
0.382
4.58
0.030
0.367
1.065
0.395
4.94
0.033
0.413
1.1
Ich(sweep)
tsweep
sweep charge current
sweep time
VSW = 0 V
CSW = 33 nF;
VDD = 12.2 V
215
280
0.28
0.35
Max
2.2
2.0
1.3
-
-
-
-
-
-
-
-
1.7
4.8
18
-
60
42.68
-
0.408
5.29
0.036
0.458
1.35
345
0.45
Unit
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
µs
V
µA
kHz
kHz
kHz
%
V
V
V
nA
s
UBA2024_4
Product data sheet
Rev. 04 — 17 September 2009
© NXP B.V. 2009. All rights reserved.
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