SP4425CU データシートの表示（PDF） - Signal Processing Technologies

部品番号

コンポーネント説明

メーカー

SP4425CU

Electroluminescent Lamp Driver Low Voltage Applications

Signal Processing Technologies 

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation of the device at

these ratings or any other above those indicated in the operation sections

of the specifications below is not implied. Exposure to absolute maximum

rating conditions for extended periods of time may affect reliability.

VDD...................................................................................................................5V

Input Voltages/Currents

HON (pin1)........................................-0.5V to (V + 0.5V)

DD

COIL (pin3)............................................................100mA

Lamp Outputs..............................................................................230VPP

Storage Temperature....................................................-65˚C to +150˚C

Power Dissipation Per Package

8-pin NSOIC (derate 6.14mW/oC above +70oC).................................500mW

8-pin µSOIC (derate 4.85mW/oC above +70oC)..................................390mW

The information furnished herein by Sipex has been carefully reviewed for

accuracy and reliability. Its application or use, however, is solely the

responsibility of the user. No responsibility for the use of this

information is assumed by Sipex, and this information shall not explicitly or

implicitly become part of the terms and conditions of any subsequent sales

agreement with Sipex. Specifications are subject to change without prior

notice. By the sale or transfer of this information, Sipex assumes no

responsibility for any infringement of patents or other rights of third parties

which may result from its use. No license or other proprietary rights are

granted by implication or otherwise under any patent or patent rights of

Sipex Corporation.

SPECIFICATIONS

(T= 25°C; VDD = 1.5V; Lamp Capacitance = 8200pFwith 1 00Ω Series resistance; Coil = 470µH at 4 Ohms; COSC = 180pF unless otherwise noted); CINT=1800pF

PARAMETER

MIN.

TYP.

MAX. UNITS

CONDITIONS

Supply Voltage, VDD

Supply Current, ICOIL+IDD

Coil Voltage, VCOIL

HON Input Voltage, VHON

LOW: EL off

HIGH: EL on

HON Current, EL on

Shutdown Current, ISD=ICOIL+IDD

INDUCTOR DRIVE

1.1

1.5

1.7

V

30

60

mA V =V =1.5V

HON DD

VDD

1.7

V

-0.25

0

0.25V

V

VDD-0.25

VDD

VDD+0.25

3

15

µA

internal pulldown, VHON=VDD=1.5V

1

5

µA

VHON=0V

Coil Frequency, fCOIL=fLAMPx64

Coil Duty Cycle

25.6

kHz

90

%

Peak Coil Current, IPK-COIL

EL LAMP OUTPUT

90

mA Guaranteed by design.

EL Lamp Frequency, fLAMP

Peak to Peak Output Voltage

300

400

500

Hz

TAMB=+25OC, VDD=1.5V

TAMB=-40OC to +85OC, VDD=1.5V

120

160

90

VPP

TAMB=+25OC, VDD=1.5V

TAMB=-40OC to +85OC, VDD=1.5V

SP4425DS/20

SP4425 Electroluminescent Lamp Driver

2

© Copyright 2000 Sipex Corporation

Share Link: