CAV4201
TYPICAL OPERATION CHARACTERISTICS
(V IN = 13 V, I LED = 300 mA, L = 22 m H, C 1 = 4.7 m F, C 2 = 10 m F, T AMB = 25 ° C unless otherwise specified)
100
10
95
8
6
VIN = 13 V
90
85
80
75
2 LEDs
1 LED
4
2
0
? 2
? 4
? 6
? 8
70
100
150
200
250
300
350
? 10
? 40
0
40
80
120
350
LED CURRENT (mA)
Figure 14. Efficiency vs. LED Current
350
TEMPERATURE ( ° C)
Figure 15. LED Current Regulation vs.
Temperature
300
250
200
150
100
50
V F = 3.3 V
300 mA
V F = 3.1 V
150 mA
300
250
200
150
100
50
V F = 3.3 V
300 mA
V F = 3.1 V
150 mA
0
0
4
8
12
16
20
24
28
0
0
4
8
12
16
20
24
28
SW
5V/div
Inductor
Current
200mA/
div
INPUT VOLTAGE (V)
Figure 16. LED Current vs. Input Voltage
(1 LED)
2 m s/div
Figure 18. Switching Waveforms
CTRL
5V/div
LED
Current
200mA/
div
INPUT VOLTAGE (V)
Figure 17. LED Current vs. Input Voltage
(2 LEDs)
40 m s/div
Figure 19. CTRL Power ? up
http://onsemi.com
5
相关PDF资料
CB-1377 PANEL ALUMINUM CHASSIS
CBC5300-24C ENERCHIP EH CBC5300 MODULE
CC-ACC-MX51-ETM ADAPTER TRACE ETM/ETB JTAG
CDBMCU-DEBUG EVAL BD FOR DSP CS48X & CS49X
CEL2MUSB E2GO CELL PHONE CHARGER USB
CH-14403 RACK SMALL MNT CHASSIS ALUMINUM
CH15MNP4 BATT CHARGER 15MINUTE W/4AA
CHCARCP BATT CHARGER CAR/HOME W/4AA CELL
相关代理商/技术参数
CAV424 制造商:未知厂家 制造商全称:未知厂家 功能描述:Converter IC for Capacitive Signals
CAV444 制造商:AD 制造商全称:Analog Devices 功能描述:C/V transmitter IC with adjustable output voltage for capacitive input signals
CAV-5.0-1.0 制造商:TALEMA 制造商全称:TALEMA 功能描述:Common Mode Toroidal Chokes
CAV-5.0-1.5 制造商:TALEMA 制造商全称:TALEMA 功能描述:Common Mode Toroidal Chokes
CAV-5.0-10 制造商:TALEMA 制造商全称:TALEMA 功能描述:Common Mode Toroidal Chokes
CAV-5.5-6.8 制造商:TALEMA 制造商全称:TALEMA 功能描述:Common Mode Toroidal Chokes
CAV-5.7-0.10 制造商:TALEMA 制造商全称:TALEMA 功能描述:Common Mode Toroidal Chokes
CAV-5.8-2.2 制造商:TALEMA 制造商全称:TALEMA 功能描述:Common Mode Toroidal Chokes