cat4139 Catalyst Semiconductor, cat4139 Datasheet - Page 3

• Manufacturer Part Number: cat4139
• Description: 22v High Current Boost White Led Driver
• Manufacturer: Catalyst Semiconductor

TYPICAL CHARACTERISTICS
V
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
IN
= 5.0V, I
Quiescent Current vs. VIN (Not Switching)
Switching Frequency vs. Supply Voltage
FB Pin Voltage vs. Temperature
OUT
303
302
301
300
299
298
297
1.2
1.1
1.0
0.9
0.8
200
150
100
50
= 180mA, T
-50
3.0
3.0
3.5
3.5
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
TEMPERATURE [ºC]
0
V
AMB
FB
4.0
4.0
= 0.4V
= 25ºC, with typical application circuit unless otherwise specified.
50
4.5
4.5
100
5.0
5.0
5.5
5.5
150
3
Switch ON Resistance vs. Input Voltage
Quiescent Current vs. VIN (Switching)
FB Pin Voltage vs. Output Current
2.0
1.5
1.0
0.5
0.0
310
305
300
295
290
2.0
1.5
1.0
0.5
0.0
3.0
80
3.0
OUTPUT CURRENT [mA]
100 120 140 160 180 200
3.5
INPUT VOLTAGE [V]
3.5
INPUT VOLTAGE [V]
4.0
4.0
4.5
4.5
5.0
5.0
Doc. No. MD-5032 Rev. A
5.5
5.5
CAT4139