UBA2028T/N1,518 NXP Semiconductors, UBA2028T/N1,518 Datasheet - Page 4

• Manufacturer Part Number: UBA2028T/N1,518
• Description: IC CFL DRIVER 600V SO20
• Manufacturer: NXP Semiconductors
• Type: CCFL Driverr

Specifications of UBA2028T/N1,518

• Package / Case: 20-SOIC (7.5mm Width)
• Current - Supply: 170µA
• Current - Output: 280mA
• Voltage - Supply: 12.4 V ~ 13.6
• Frequency: 90 ~ 110 kHz
• Operating Temperature: -25°C ~ 80°C
• Driver Type: CFL Drivers
• Maximum Operating Temperature: + 80 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935289062518

6. Block diagram
Fig 1.
GND
Block diagram
CT
10
4
REFERENCE
CURRENT
IREF
13
PREHEAT TIMER
CONTROLLED
OSCILLATOR
VOLTAGE
SUPPLY
V
I
analog
digital
CF
12
V
supply (5 V)
DD
LOGIC
16
reference
voltages
V
reset
DD(L)
3 V
V REF
7
V
lamp(fail)
• reset state
• start-up state
• preheat state
• ignition state
• burn state
• hold state
• power-down state
STATE LOGIC
VOLTAGE
SENSOR
LAMP
LVS
6
V
V
lamp(max)
pd
UBA2028
BOOTSTRAP
DRIVER
LOGIC
FREQUENCY
CONTROL
LOGIC
SHIFTER
LEVEL
ANT/CMD
CSW
PCS
11
HS
DRIVER
LS
DRIVER
AVERAGE
CURRENT
SENSOR
TR1
TR2
014aaa906
2, 3
19
20
18
15
17
1
5
8
9
SH
SL
GLI
GLO
ACM
PCS
CSP
CSN
FS
HV