sp4403 Exar Corporation, sp4403 Datasheet - Page 9

• Manufacturer Part Number: sp4403
• Description: Low Voltage Electroluminescent Lamp Driver
• Manufacturer: Exar Corporation

Figure 7. Oscillator Frequency vs R
Figure 8. I
SP4403DS/05
The following performance curves are intended to give the designer a relative scale from which to optimize
specific applications. Absolute measurements may vary depending upon the brand of components chosen.
TOTAL
600
500
400
300
200
100
60
50
40
30
20
10
0
0
49.9
200
vs R
OSC
, V
102.0
SP4403: SUPPLY CURRENT VS. Rosc, VDD=3.0V, L=470uH (4.9OHMS),
DD
=3.0V, Coil=470 H, 4.9
301
200.0
OSC
, V
OSCL1: FREQUENCY VS. RESISTANCE,
DD
301.0
=3.0V
SP4403 Electroluminescent Lamp Driver
402
402.0
RESISTANCE (K )
Rosc (K )
9
499.0
511
604.0
604
715.0
806.0
715
© Copyright 2000 Sipex Corporation
909.0
1000.0
806