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PAM2845 Datenblatt(PDF) 6 Page - Power Analog Micoelectronics

Teilenummer PAM2845
Bauteilbeschribung  40V High Power Boost Convertor with 6 Channel Constant Current Source
PDF  14 Pages
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Hersteller  PAM [Power Analog Micoelectronics]
Direct Link  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2845 Datenblatt(HTML) 6 Page - Power Analog Micoelectronics

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Power Analog Microelectronics Inc
6
www.poweranalog.com
08/2008 Rev 1.0
Electrical Characteristic
T =25°C, V =ENA=12V, L=22 H, Rset=10k
unless otherwise noted.
AIN
μΩ
,
PARAMETER
Conditions
Min
Typ
Max
Units
LED Controller Stage
I=190*1.2V/Riset, Riset=7.68k
30
mA
I=190*1.2V/Riset, Riset=11.3k
20
mA
Full-Scale LED_Output Current
I=190*1.2V/Riset, Riset=22.6k
10
mA
LED current matching
-3
1
+3
%
Iset Voltage
1.2
V
Minimums LED voltage
400
mV
Analog Dimming Range
I=190*1.2V /Riset
I/32
I
mA
PWM Dimming Frequency
100
1k
Hz
Fault Protection
LED_ Overvoltage Threshold
4.6
4.9
5.1
V
LED_ Overvoltage Hysteresis
1
V
Thermal-Shutdown
150
°C
Thermal-Shutdown Hysteresis
30
°C
Controll Interface
EN High
1.5
V
EN Low
0.4
V
PWMD High
1.5
V
PWMD Low
0.4
V
Fsel High
Vcc_5V-0.5
V
Fsel Midlevel
1
2
V
Fsel Low
0.5
V
EN Min pulse width
0.5
μs
EN Max pulse width
10
μs
EN off delay
100
μs
PAM2845
40V High Power Boost Convertor
with 6 Channel Constant Current Source



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