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UBA2021 View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
View to exact match
UBA2021
NXP
NXP Semiconductors. NXP
UBA2021 Datasheet PDF : 16 Pages
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NXP Semiconductors
UBA2021
630 V driver IC for CFL and TL lamps
Table 1. Quick reference data
Symbol
Parameter
Itot
total supply current
RG1(on),
RG2(on)
high and low side on
resistance
RG1(off),
RG2(off)
high and low side off
resistance
Feed-forward
fff
feed-forward frequency
Ii(RHV)
operating range of input
current at pin RHV
Conditions
fB = 43 kHz
IRHV = 0.75 mA
IRHV = 1.0 mA
Min Typ
-
1
-
126
-
75
Max Unit
-
mA
-
-
-
63.6 -
kHz
-
84.5 -
kHz
0-
1000 µA
4. Ordering information
Table 2. Ordering information
Type number
Package
Name
Description
UBA2021T
SO14
plastic small outline package; 14 leads; body width 3.9 mm
UBA2021P
DIP14
plastic dual in-line package; 14 leads (300 mil)
5. Block diagram
Version
SOT108-1
SOT27-1
VS RHV
5
13
4
n.c.
SUPPLY
BAND GAP
REFERENCE
8
CP
9
RS
RS
MONITOR
Fig 1. Block diagram
RREF CF CI
10 12 14
bootstrap
charging circuit
SB
OSCILLATOR
LEVEL
SHIFTER
HIGH SIDE
DRIVER
1
FS
2
G1
3
S1
TIMING
NON
OVERLAP
CONTROL
LOW SIDE
DRIVER
UBA2021
11
SGND
6
G2
7
PGND
mgs988
UBA2021_4
Product data sheet
Rev. 04 — 25 July 2008
© NXP B.V. 2008. All rights reserved.
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