Datasheet

UBA2028 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 02 — 19 July 2010 2 of 23
NXP Semiconductors
UBA2028
600 V dimmable power IC for compact fluorescent lamps
4. Quick reference data
Table 1. Quick reference data
V
DD
=13V; V
FS
− V
SH
=13V; T
amb
=25 ° C; all voltages are referenced to GND; unless otherwise
specified.
Symbol Parameter Conditions Min Typ Max Unit
Start-up state
V
DD(startup)
start-up supply voltage for oscillator 12.4 13.0 13.6 V
V
DD(stop)
stop supply voltage for oscillator 8.6 9.1 9.6 V
I
DD(startup)
start-up supply current for oscillator;
V
DD
<V
DD(startup)
-170200μA
High voltage supply
V
hs
high-side supply
voltage
I
HV
<30μA; t<1s --600V
Reference voltage
V
ref
reference voltage I
leak
=10μA 2.86 2.95 3.04 V
Voltage controlled oscillator
f
max
maximum frequency for bridge; C
CF
= 100 pF 90 100 110 kHz
f
min
minimum frequency for bridge; C
CF
= 100 pF 38.9 40.5 42.1 kHz
Half-bridge power transistors
R
on
on-state resistance half-bridge power - - 3 Ω
I
D
drain current pulsed; t
p
limited by T
j(max)
;
T<T
j(max)
--1.5A
Preheat current sensor
V
ph
preheat voltage 0.57 0.60 0.63 V
Lamp voltage sensor
V
lamp(fail)
lamp fail voltage 0.77 0.81 0.85 V
V
lamp(max)
maximum lamp
voltage
1.44 1.49 1.54 V
Average current sensor
V
offset
offset voltage V
i(CSP)
=V
i(CSN)
=
0Vto2.5V
−20 +2mV
g
m
transconductance f = 1 kHz 1900 3800 5700 μA/mV
Preheat timer
t
ph
preheat time C
CT
= 330 nF;
R
IREF
=33kΩ
1.6 1.8 2.0 s
V
OL
LOW-level output
voltage
-1.4-V
V
OH
HIGH-level output
voltage
-3.6-V