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PAM2846 Datasheet(PDF) 5 Page - Power Analog Micoelectronics

Part # PAM2846
Description  Integrated 6 String LED Boost Type Driver
PDF  14 Pages
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Manufacturer  PAM [Power Analog Micoelectronics]
Direct Link  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2846 Datasheet(HTML) 5 Page - Power Analog Micoelectronics

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Electrical Characteristic
T =25°C, V =ENA=12V, L=22 H,
AIN
μ
Rset=10k
unless otherwise noted
Ω
,
,
Power Analog Microelectronics Inc
5
www.poweranalog.com
PAM2846
Integrated 6 String LED Boost Type Driver
PARAMETER
Conditions
Min
Typ
Max
Units
Input Voltage Range
4.8
28
V
ENA=high (no switching)
1
2
Fsel=high (1.6M switching frequency)
10
Fsel =high (1M switching frequency)
6
Fsel =high (500k switching frequency)
3
mA
Quiescent Current
ENA=low
5
20
μA
LDO Stage
Vcc_5V
4.7
5
5.5
V
Vcc_5V current_limit
14
74
90
mA
Vcc_5V UVLO Threshold
3.9
4.2
4.5
V
Vcc_5V UVLO Hysteresis
70
mV
Vcc_driver
4.7
5
5.5
V
Vcc_driver current_limit
14
74
90
mA
Vcc_driver UVLO Threshold
3.9
4.2
4.5
V
Vcc_driver UVLO Hysteresis
70
mV
Boost Stage
Switch Rdson
Vcc_5V=5V
0.2
Ω
Switch Current Limit
2.5
A
Switch Leakage Current
1
μA
Fsel =Vcc_5V
1.6
MHz
Fsel =Open
1.0
MHz
Switching Frequency
Fsel =Gnd
500
kHz
Fsel =Vcc_5V
20
%
Fsel =Open
10
%
Minimums Duty Cycle
Fsel =Gnd
5
%
Maximums Duty Cycle
90
%
VC Source Current
60
μ
A
VC Sink Current
60
μ
A
No switching
No switching
No switching
No switching
No switching
No switching
No switching
No switching
07/2008 Rev 1.2



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