UBA2021T/N2 NXP Semiconductors, UBA2021T/N2 Datasheet - Page 11

• Manufacturer Part Number: UBA2021T/N2
• Description: CFL Lamp DRVR 14-Pin SO Tube
• Manufacturer: NXP Semiconductors

Specifications of UBA2021T/N2

• Package: 14SO
• Driver Type: CFL Lamp
• Module Configuration: Half Bridge
• Supply Current: 1mA
• Meter Display Type: Fluorescent Lamp
• Supply Voltage Range: 9.55V To 10.75V, 11.35V To 12.55V
• Driver Case Style: SOIC
• No. Of Pins: 14
• Operating: RoHS Compliant
• Operating Supply Voltage: 630 V
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-14
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

NXP Semiconductors
12. Application information
UBA2021_4
Product data sheet
Fig 7.
supply
mains
Application diagram
R1
DS1
DS3
DS2
DS4
•
•
•
•
•
•
•
Where:
f
f
f
Preheat time:
Ignition time:
Non-overlap time:
B
ff
cm
= feed-forward frequency.
= bottom frequency.
C2
= frequency due to capacitive mode detection.
L1
C3
C4
lamp
t
t
C5
ign
ph
=
=
t
no
Rev. 04 — 25 July 2008
--------------- -
150nF
15
----- -
16
R shunt
C
=
CP
L2
1.4 s
t
T2
T1
ph
V
in
R
--------------- -
30K
RREF
R
--------------- -
30k
RREF
CS4
CS7
490 k
R RHV
100 nF
DS6
DS7
C boot
630 V driver IC for CFL and TL lamps
CS9
G1
G2
VS
S1
FS
1
2
3
6
5
UBA2021
7
PGND
13
RHV
9
RS
14
12
10
11
8
UBA2021
SGND
CI
CP
CF
RREF
© NXP B.V. 2008. All rights reserved.
100 pF
100 nF
100 nF
R RREF
C CP
C CF
30 k
C CI
mgs994
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