uba2015t/n1 NXP Semiconductors, uba2015t/n1 Datasheet - Page 11

• Manufacturer Part Number: uba2015t/n1
• Description: 600 V Fluorescent Lamp Driver With Pfc, Linear Dimming And Boost Function
• Manufacturer: NXP Semiconductors

NXP Semiconductors
UBA2016A_15_15A
Objective data sheet
Fig 9.
Other definitions:
enable = (V
disable = NOT(enable)
ignition detected = (V
(ignition attempts = 2)
fault timeout
fault timeout
State diagram
AND
FFPRHT
Stop state
GLHB low
> V
IFB
th(en)(FFPRHT)
> V
fast fault
reset OR disable
(reset OR disable)
th(lod)(IFB)
GLHB AND
)
) AND (V
OR overtemp)
GLHB AND
(V
DD
All information provided in this document is subject to legal disclaimers.
VFB
low
ignition attempt counter is reset
as long as no lamp overvoltage
Frequency determined by lamp
(UBA2015(A) only) is reached
hardswitching
< V
BOOST and EOL disabled
until HB preheat current or
BOOST and EOL disabled
attempt counter are reset
BOOST function enabled
Preheat time completed
EOL protection enabled
frequency is decreased
frequency is decreased
current regulation loop
stop latch and ignition
(1)
or HB overcurrent or
th(lod)(VFB)
the set value for the
preheat frequency
(UBA2016(A) only)
ignition detected
NOT(overtemp)
Standby state
V
Preheat state
Ignition state
reset
Rev. 1 — 20 May 2011
Reset state
enable AND
DD
GLHB high
Burn state
GLHB low
Power on
f low OR
high AND
(1)
NOT(reset)
)
is detected
restart
V
fault definitions:
overtemp =
fast fault =
slow fault =
the fault timer is started by slow fault and runs as
long as slow fault continues. NOT(slow fault) resets
the fault timer.
(1)
has been seen)
(2)
restart = (V
(ignition attempts = 1)
V
DD
Supply voltage definitions
(except for UBA2016A in IGNITION state after ZVS
(BURN state only)
DD
UBA2016A/15/15A
reset = (V
high = (V
Auto-restart
fault timeout
low = (V
GLHB low
state
AND
{set} T > T
{reset} T < T
over voltage extra OR
capacitive mode
(over current lamp AND f high)
coil saturation
CPT low OR
VFB low OR
NOT(PFC OK) OR
over voltage OR
(over voltage end of life AND
NOT (deep dimming))
coil saturation OR
hardswitching OR
brownout OR
asymetrical end of life
DD
DD
DD
600 V fluorescent lamp driver
DD
< V
< V
> V
< V
restart
rst(VDD)
startup(VDD)
stop(VDD)
th(act)otp
Low power consumption
GHHB and GPFC low
Non oscillating states
th(rel)otp
(VDD))
(2)
Oscillating states
)
(1)
(IC is off)
(IC is on)
)
OR
)
© NXP B.V. 2011. All rights reserved.
(2)
(2)
OR
001aam538
11 of 42