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AL8821 数据表(PDF) 2 Page - Diodes Incorporated

部件名 AL8821
功能描述  40V, 2A BOOST LED DRIVER
PDF  14 Pages
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制造商  DIODES [Diodes Incorporated]
网页  http://www.diodes.com
标志 DIODES - Diodes Incorporated

AL8821 数据表(HTML) 2 Page - Diodes Incorporated

  AL8821 Datasheet HTML 1Page - Diodes Incorporated AL8821 Datasheet HTML 2Page - Diodes Incorporated AL8821 Datasheet HTML 3Page - Diodes Incorporated AL8821 Datasheet HTML 4Page - Diodes Incorporated AL8821 Datasheet HTML 5Page - Diodes Incorporated AL8821 Datasheet HTML 6Page - Diodes Incorporated AL8821 Datasheet HTML 7Page - Diodes Incorporated AL8821 Datasheet HTML 8Page - Diodes Incorporated AL8821 Datasheet HTML 9Page - Diodes Incorporated Next Button
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AL8821
Document number: DS37671 Rev. 1 - 2
2 of 14
www.diodes.com
January 2015
© Diodes Incorporated
AL8821
Pin Descriptions
Pin Number
Pin Name
Function
1
SW
Integrated MOS Drain
2
CS
Input Current Sense Pin
3
FB
LED Output Current Feedback Pin
4
COMP
Control Loop Compensation Pin
5
NC
Not Connected
6
VIN
IC Input Voltage, Adding from Boost Output Voltage
7
VCC
Supply Voltage For Internal Circuit
8
NC
Not Connected
9
Exposed Pad
Connected to Ground
Functional Block Diagram
VIN
UVLO
Chip_EN
VBG
Exposed
Pad
EA
FB
VBG
COMP
CS1
CS
VCS1
SW
COMPARATOR
OVP
VFB
OVP
OTP
Bandgap
VBG
VCC
VREF
LOGIC
Driver
VCC
Internal
Regulator
VCC
VIN
PWM1
PWM1
2
3
6
7
1
4
9



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