MP3802 datasheet(2/5 Pages) MPS

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MP3802 – 240VPP HIGH VOLTAGE EL LAMP DRIVER

MP3802 Rev. 0.91

www.MonolithicPower.com

12/10/2013

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

PACKAGE REFERENCE

VDD

RSW_OSC

REL_OSC

GND

TOP VIEW

Part Number*

Package

Temperature

MP3802DH

MSOP8

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP3802DH–Z)

For RoHS Compliant Packaging, add suffix –LF

(eg. MP3802DH–LF–Z)

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage (VDD) ..................–0.5V to +6.0V

Output Voltage (VCS, VA, VB)...... –0.5V to +125V

All Other Pins ..................... –0.5V to VDD + 0.3V

Junction Temperature ..............................150

°C

Lead Temperature....................................260

°C

Storage Temperature .............–65

°C to +150°C

Recommended Operating Conditions

(2)

Supply Voltage ............................... 2.5V to 5.5V

Lamp Drive Frequency (fEL) ..........60Hz to 1KHz

Switching Transistor Freq...... 50KHz to 200KHz

Operating Temperature .............–40

°C to +85°C

Thermal Resistance

(3)

θJA

θJC

MSOP8 ................................. 150 ..... 65...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating conditions.

3) Measured on approximately 1” square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

VIN = VDD = 3.0V, REL=1.7MΩ, RSW=510KΩ, TA = +25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

On Resistance of Switching

Transistor

RDS(ON)

ISW = 100mA, VCS = 120V

Ω

Output Voltage Regulation

VCS

120

Peak to Peak Output Voltage

VA – VB

240

Input Low Voltage (Turn Off)

VEN-L

VDD – 0.6

Input High Voltage (Turn On)

VEN-H

VDD – 0.3

Shutdown Current

ISD

VEN = 0V

Input Supply Current

IVDD

VA, VB Open, VEN = VIN

100

µA

Input Current Including Inductor

Current

IIN

A 2kΩ resistor is series

with a 10nF capacitor

connected between VA

and VB

22.5

EL Lamp Frequency

fEL

200

250

300

Switching Transistor Frequency

fSW

KHz

Switching Transistor Duty Cycle

Note:

4) Shutdown current is defined as the sum of currents going into VDD, VCS, and SW nodes.

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