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MAX1561 Fiches technique(PDF) 5 Page - Maxim Integrated Products

No de pièce MAX1561
Description  High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs
Download  10 Pages
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1561 Fiches technique(HTML) 5 Page - Maxim Integrated Products

  MAX1561 Datasheet HTML 1Page - Maxim Integrated Products MAX1561 Datasheet HTML 2Page - Maxim Integrated Products MAX1561 Datasheet HTML 3Page - Maxim Integrated Products MAX1561 Datasheet HTML 4Page - Maxim Integrated Products MAX1561 Datasheet HTML 5Page - Maxim Integrated Products MAX1561 Datasheet HTML 6Page - Maxim Integrated Products MAX1561 Datasheet HTML 7Page - Maxim Integrated Products MAX1561 Datasheet HTML 8Page - Maxim Integrated Products MAX1561 Datasheet HTML 9Page - Maxim Integrated Products Next Button
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High-Efficiency, 26V Step-Up Converters
for Two to Six White LEDs
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 3.6V, ILED = 15mA, L1 = 22µH, CIN = 2.2µF, COUT = 0.1µF, CCOMP = 0.1µF, RSENSE = 7.5
Ω, 4 LEDs,
TA = +25°C, unless otherwise noted.)
SWITCHING WAVEFORMS
MAX1561 toc10
VIN
10mV/div
VOUT
100mV/div
VLX
10V/div
500ns/div
SOFT-START AND SHUTDOWN
MAX1561 toc11
VCTRL
1V/div
IIN
50mA/div
VIN
50mV/div
VOUT
5V/div
0mA
0V
0V
20ms/div
VIN = 3.8V Li+ BATTERY
CTRL STEP RESPONSE
MAX1561 toc12
VCTRL
1V/div
IIN
50mA/div
VIN
50mV/div
VOUT
5V/div
0mA
0V
0V
20ms/div
VIN = 3.8V Li+ BATTERY
DIRECT-PWM DIMMING
MAX1561 toc13
VCTRL
32kHz
1V/div
IIN
50mA/div
VIN
50mV/div
VOUT
5V/div
0mA
0V
0V
50
µs/div
VIN = 3.8V Li+ BATTERY
LINE-TRANSIENT RESPONSE
MAX1561 toc14
VIN
500mV/div
IIN
50mA/div
VCS
100mV/div
0V
3.5V
4V
0mA
50
µs/div


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