Datasheet > D340B

D340B

更新时间： 2024-02-17 15:53:59

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D340B 数据手册

Data Sheet

D340B

Electroluminescent

Lamp Driver IC

General Description:

The Durel^®D340B Lamp Driver is part of a family of

high-voltage switch-mode IC drivers intended to reduce

cost, improve performance and simplify the design of EL

backlighting systems. A D340B IC with a single inductor

completes a low-cost circuit capable of driving up to 5

in²electroluminescent lamps.

MSOP-8

Features

Applications

•

High Efficiency

•

Watches

Minimum Number of External Components

Small Package Size

Regulated AC Output Voltage

Low Standby Current

Pagers

Cellular Phones

Calculators

Lamp Driver Specifications:

(T_a=25°C unless otherwise specified)

Parameter

Symbol

Minimum

Typical

Maximum

Units

Supply Voltage

Supply Current

Standby Current

Enable Current

V+

1.2

1.5

3.0

7.0

1000

-5

-10

-25

µA

Enable Voltage

E′

0.2

(V+)

1000

160

Off

(V+) -0.4

Lamp Frequency

Lamp

0.5

200

300

in x in

cm x cm

Vpp

Output Voltage

VOUT

110

140

144

Absolute Maximum Ratings:

Parameter

Symbol

Minimum

Maximum

Unit

Comments

Supply voltage

Enable voltage

Operating temperature

Storage temperature

Solder Temperature

V+

E′

T_j

-0.5

-40

-65

7.5

(V+) +0.5

°C

T_s

150

300

10 second soak

Note: The absolute maximum ratings are stress ratings only. Functional operation of the device at these ratings or any other

conditions above those indicated in the specifications is not implied. Exposure to absolute maximum rating conditions for

extended periods of time may affect life of lamp or driver.

12 3 4

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