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SM8144B

Features: ` Dedicated EL driver` 1.6 to 5.5 V supply voltage` 100mA maximum operating current (VDD = 3.0V, Ta 70°C)` 3.5 typical output resistance` 200 Vp-p maximum EL driver voltage*` 31 to 1500 Hz EL drive frequency range*` High voltage CMOS Process` 8-pin VSOP plastic package *: Adjustable with...

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SeekIC No. : 004494057 Detail

SM8144B: Features: ` Dedicated EL driver` 1.6 to 5.5 V supply voltage` 100mA maximum operating current (VDD = 3.0V, Ta 70°C)` 3.5 typical output resistance` 200 Vp-p maximum EL driver voltage*` 31 to 1500 Hz...

SM8144B Data Sheet

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Part Number:
SM8144B
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: 2024/5/20

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Product Details

Description



Features:

 `  Dedicated EL driver
 `  1.6 to 5.5 V supply voltage
 `  100mA maximum operating current (VDD = 3.0V, Ta 70°C)
 `  3.5 typical output resistance
 `  200 Vp-p maximum EL driver voltage*
 `  31 to 1500 Hz EL drive frequency range*
 `  High voltage CMOS Process
 `  8-pin VSOP plastic package
  *: Adjustable with external resistance


Application

  ·  Hand held PC, Palm size PC
  ·  Mobile IT equipment
  ·  White EL


Pinout

Connection Diagram


Specifications

Parameter
Symbol
 Condition
Rating
Unit
Supply voltage range
VDD
  
-0.3 to 7.0
V
Input voltage range
VIN
 All Input pinss
VSS − 0.3 to VDD + 0.3
V
Output voltage
V CHV
 CHV pin
0.5 to 120
V
V LDR
 LDR pin
0.5 to 120
V

VOUT1/2

 OUT1 , OUT2 pin
0.5 to 120
V
Power dissipation
PD
 Ta 70 °C
140
mW
Ta 85 °C
100
mW
Storage temperature range
Tstg
  
-55 to 125



Description

The SM8144B is a transformer-less electroluminescent (EL) driver IC, capable of driving displays up to 80 cm2 in size. It is a high-efficiency driver that features revised coil switching transistor ON resistance and output circuit configuration to reduce loss, all in a compact package.

A microcontroller interface pin (ENA) is provided, which can be used to control the EL driver ON/OFF function. SM8144B is available in 8-pin VSOP packages.




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