cat3604v Catalyst Semiconductor, cat3604v Datasheet - Page 5

• Manufacturer Part Number: cat3604v
• Description: 4-channel Quad-mode? Led Driver With Open/short Led Detection
• Manufacturer: Catalyst Semiconductor

TYPICAL PERFORMANCE CHARACTERISTICS
V
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
IN
= 3.6V, I
LED Current vs. RSET Resistance
OUT
Switching Frequency vs. Temperature
100
10
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1
1.3
1.2
1.1
1.0
0.9
0.8
0.7
= 80mA (4 LEDs at 20mA), C
1
0
-40
Foldback Current Limit
RSET RESISTANCE [kΩ]
OUTPUT CURRENT [mA]
100
TEMPERATURE [°C]
0
1.33x, 2x Mode
1.5x Mode
10
200
40
1x Mode
300
80
IN
= C
100
400
OUT
120
= C
5
1
= C
2
= 1μF, T
Line Transient Response (3.6V to 4.9V)
40
30
20
10
Output Resistance vs. Input Voltage
12
10
0
AMB
8
6
4
2
0
LED Current vs. LED Pin Voltage
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
0
= 25°C unless otherwise specified.
1.5x
50
LED PIN VOLTAGE [mV]
INPUT VOLTAGE [V]
100 150
2x
1x
200
Doc. No. MD-5029, Rev. B
1.33x
250
CAT3604V
300