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UBA2070

Features: · Current controlled operation· Adaptive non-overlap time control· Integrated high voltage level shift function· Power-down function· Protected against lamp failures or lamp removal· Capacitive mode protection.Application· The circuit topology enables a broad range of backlight inverters...

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SeekIC No. : 004535295 Detail

UBA2070: Features: · Current controlled operation· Adaptive non-overlap time control· Integrated high voltage level shift function· Power-down function· Protected against lamp failures or lamp removal· Capac...

UBA2070 Data Sheet

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Part Number:
UBA2070
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:

· Current controlled operation
· Adaptive non-overlap time control
· Integrated high voltage level shift function
· Power-down function
· Protected against lamp failures or lamp removal
· Capacitive mode protection.


Application

· The circuit topology enables a broad range of backlight inverters.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITION MIN. MAX. UNIT
VHS high side supply voltage Ihs < 30 mA; t < 1 s -
-		 600
510		 V
v
Ihs < 30 mA
VACM voltage on pin ACM   -5 +5 V
VLVS voltage on pin LVS   0 5 V
VCS+ voltage on pin CS+   0 5 V
VVS- voltage on pin CS-   -0.3 +5 V
VCSW voltage on pin CSW   -25 5 V
Tamb ambient temperature   -25 +85 °C
Tj junction temperature   -25 +150 °C
Tstg storage temperature   -55 +150 °C
Vesd electrostatic discharge voltage
pins FVDD, GH, SH and VDD
pins GL, ACM, CS+, CS-, CSW,
LVS, CF, IREF, CT and VREF		 note 1 -1000
-2500		 +1000
+2500		 v
v



Description

The UBA2070 is a high voltage integrated circuit for driving electronically ballasted Cold Cathode Fluorescent Lamps(CCFL) at mains voltages up to 277 V (RMS) (nominal value). The circuit is made in a 650 V Bipolar CMOS DMOS (BCD) power logic process. The UBA2070 provides the drive function for the two discrete MOSFETs. Besides the drive function the UBA2070 also includes the level-shift circuit, the oscillator function, a lamp voltage monitor, a current control function, a timer function and protections.




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