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UBA2021T

Features: · Adjustable preheat and ignition time· Adjustable preheat current· Adjustable lamp power· Lamp temperature stress protection at higher mains voltages· Capacitive mode protection· Protection against a too-low drive voltage for the power MOSFETs.PinoutSpecifications Symbol Param...

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SeekIC No. : 004535288 Detail

UBA2021T: Features: · Adjustable preheat and ignition time· Adjustable preheat current· Adjustable lamp power· Lamp temperature stress protection at higher mains voltages· Capacitive mode protection· Protecti...

UBA2021T Data Sheet

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Part Number:
UBA2021T
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/7

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Product Details

Description



Features:

· Adjustable preheat and ignition time
· Adjustable preheat current
· Adjustable lamp power
· Lamp temperature stress protection at higher mains voltages
· Capacitive mode protection
· Protection against a too-low drive voltage for the power MOSFETs.


Pinout

Connection Diagram


Specifications

Symbol
Parameter
CONDITIONS
Min.
Max.
Unit
VFS
 high side floating supply voltage operating
-
570
V
t 0.5 s
-
630
V
IVS(clamp) clamp current t 0.5 s
-
35
mA
VRS
 input voltage pin RS  
-2.5
+2.5
V
transient of 50 ns
-15.0
+2.5
V
SR
 slew rate at pins S1, G1 and FS (with respect to ground)  
-4
+4
V/ns
P
 power dissipation  
-
500
mW
Tamb
 ambient temperature  
-40
+150
Tj
 junction temperature  
-40
+150
Tstg
 storage temperature  
-55
+150
Qcouple
 charge coupling at pins RREF and CF operating
-8
+8
pC
Vesd
 electrostatic handling voltage human body model note 1
-
3000

V

machine model; note 2
-
300
V

Notes
1. Human body model: all pins are 3000 V maximum, except pins FS, G1, S1 and VS which are 1500 V maximum and
pin G2 which is 1000 V maximum.
2. Machine model: all pins are 300 V maximum, except pin G2 which is 125 V maximum.




Description

The UBA2021 is a high-voltage IC intended to drive and control Compact Fluorescent Lamps (CFL) or fluorescent TL-lamps. It contains a driver circuit for an external half-bridge, an oscillator and a control circuit for starting up, preheating, ignition, lamp burning and protection.




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