UBA2028 NXP Semiconductors, UBA2028 Datasheet - Page 4

• Manufacturer Part Number: UBA2028
• Description: 600 V Dimmable Power Ic For Compact ?uorescent Lamps
• Manufacturer: NXP Semiconductors

NXP Semiconductors
7. Pinning information
UBA2028_1
Product data sheet
7.1 Pinning
7.2 Pin description
Table 3.
Symbol
HV
FS
FS
GND
ACM
LVS
VREF
CSP
CSN
CT
CSW
CF
IREF
GND
GL
V
PCS
GLI
SH
SL
Fig 2.
DD
Pin diagram
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Rev. 01 — 9 October 2009
600 V dimmable power IC for compact fluorescent lamps
VREF
GND
ACM
CSN
CSP
LVS
HV
CT
FS
FS
Description
high voltage input
floating supply voltage; supply for high-side switch
floating supply voltage; supply for high-side switch
ground
capacitive mode input
lamp voltage sensor input
reference voltage output
positive input for the average current sensor
negative input for the average current sensor
preheat timer output
input of voltage controlled oscillator
voltage controlled oscillator output
internal reference current input
ground
gate output for the low-side switch, must be wired to pin 18
low-voltage supply
preheat current sensor input
gate input for the low-side switch, must be wired to pin 15.
source for the high-side switch
source low side switch, connected to PGND via a resistor
10
1
2
3
4
5
6
7
8
9
UBA2028
014aaa904
20
19
18
17
16
15
14
13
12
11
SL
SH
GLI
PCS
V
GL
GND
IREF
CF
CSW
DD
UBA2028
© NXP B.V. 2009. All rights reserved.
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