SP4416UEB 데이터 시트보기 (PDF) - Signal Processing Technologies
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SP4416UEB
Signal Processing Technologies
SP4416UEB Datasheet PDF : 13 Pages
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VDD
VBATT
VDD
ENLI
VDD
330pF
COSC1
COSC2
SP4416
COIL
CS
L1
2.7mH/45Ω
* IN4148
* 1.8nF
VSS
EL1
EL2
EL Lamp
50Ω
50Ω
8nF
1MΩ
Figure 1. Typical Operating Circuit of the SP4416
* Optional Components
PIN
NAME
FUNCTION
1
COSC2
Oscillator capacitor input 2
2
COSC1
Oscillator capacitor input 2
3
VSS
Logic Supply Common - typically connected to ground
4
EL1
EL Driver Output; connected to EL lamp
Optional Integrating Capacitor Input. Connect a 1.8nF capacitor from this
input pin to ground to filter out any coil switching spikes or ripple present in
5
CS
the output waveform to the EL lamp. Connecting an optional fast recovery
diode, 1N4148, from COIL to this input pin increases the light output of the
EL lamp.
6
COIL Inductor input; Other end of inductor is connected to the battery
7
EL2
EL Driver Output; connected to EL lamp
8
VEE
High Voltage Supply Common; typically connected to ground
9
VDD
Power Supply Pin; connected to voltage source or positive battery terminal
10
ENLI
Enable and Lamp output intensity select
SP4416DS/06
SP4416 Electroluminescent Lamp Driver with 4-Level Light Intensity Selection Feature
3
© Copyright 1999 Sipex Corporation
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