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CAT32 Datasheet(PDF) 5 Page - Catalyst Semiconductor

Part # CAT32
Description  CMOS White LED Driver
PDF  14 Pages
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT32 Datasheet(HTML) 5 Page - Catalyst Semiconductor

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CAT32
© Catalyst Semiconductor, Inc.
5
Doc. No. MD-5001 Rev. AD
Characteristics subject to change without notice
TYPICAL CHARACTERISTICS
VIN = 3.6V, TAMB = 25ºC , CIN = 4.7µF, COUT = 1µF, L = 6.8µH, unless otherwise specified.
Switch Resistance vs. Input Voltage
0.0
0.2
0.4
0.6
0.8
1.0
23
45
6
INPUT VOLTAGE [V]
Switch Resistance vs. Temperature
0.0
0.2
0.4
0.6
0.8
1.0
-50
-25
0
25
50
75
100
125
TEMPERATURE [ºC]
VIN = 3V
LED Pin Voltage vs. LED current
0
50
100
150
200
250
300
0
8
16
24
32
40
LED CURRENT [mA]
VSW, IL, & VOUT Signal Waveforms
Efficiency vs. Input Voltage
60
65
70
75
80
85
23
4
5
6
INPUT VOLTAGE [V]
4 LEDs at 15mA
VOUT = 13V
PWM on SHDN
¯¯¯¯¯ pin Waveform



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