AL5801W6Q-7 Просмотр технического описания (PDF) - Diodes Incorporated.
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AL5801W6Q-7 Datasheet PDF : 11 Pages
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AL5801
Pin Descriptions
Pin
Number
1
2
3
4
5
6
Pin
Name
BIAS
FB
OUT
REXT
COMP
GND
Function
Biases the open-Drain output MOSFET
Feedback pin
Open-Drain LED driver output
Current sense pin. LED current sensing resistor should be connected from here to GND
Compensation pin. Connect COMP pin to REXT pin and insert a 1nF ceramic capacitor from COMP
pin to FB pin for improved transient stability
Ground reference point for setting the LED current
Functional Block Diagram
Figure 1 Block Diagram
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Symbol
Characteristics
Values
VOUT
VBIAS
VFB
VCOMP
VREXT
IOUT
TJ
TST
Output voltage relative to GND
BIAS voltage relative to GND (Note 4)
FB voltage relative to GND
COMP voltage relative to GND
REXT voltage relative to GND
Output current
Operating junction temperature
Storage temperature
100
20
6
6
6
350
-40 to +150
-55 to +150
Note:
4. With pins 5 and 6 connected together.
These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure.
Operation at the absolute maximum rating for extended periods may reduce device reliability.
Unit
V
V
V
V
V
mA
°C
°C
AL5801
Document number: DS35555 Rev. 3 - 2
2 of 11
www.diodes.com
July 2012
© Diodes Incorporated
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