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AL3022 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - PWM BOOST CONTROLLER - Diodes

भाग संख्या AL3022
समारोह PWM BOOST CONTROLLER
मैन्युफैक्चरर्स Diodes 
लोगो Diodes लोगो 
पूर्व दर्शन
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<?=AL3022?> डेटा पत्रक पीडीएफ

AL3022 pdf
Pin Descriptions
Pin Number
1
2
3
4
5
Pin Name
VIN
OUT
GND
CS
FB
6 COMP
7 OVP
8 EN
A Product Line of
Diodes Incorporated
AL3022
3043
Function
Supply input pin. A capacitor should be connected between the VIN pin and GND pin to keep the DC
input voltage constant.
Gate driver pin. This pin is connected to external MOSFET gate to turn it on/off.
Ground pin
Over current protection pin
Feedback pin. This pin is connected to an external resistor divider to program the system output voltage.
Compensation pin. This pin is the output of the internal error amplifier. COMP is forced to low when
VIN<3.6V.
Overvoltage detection pin
Enable and dimming pin. When EN input voltage is lower than 0.3V, disable the IC. When EN input
voltage is higher than 2.6V, enable the IC. PWM dimming can be provided by an external control signal
greater than 100Hz, duty cycle from 1% to 90%. In addition, analog dimming can be provided by a DC
signal ranged from 0.8 V to 2.4V.
Functional Block Diagram
FB
5
COMP
6
EA
COMP
EN
8 1.25V
Bandgap
VCC
VCC
Regulator
Oscillator
PULSE
1
VIN
OVP & UVP
7
OVP
Control
Logic
2
Driver
OUT
4
OCP
CS
Over
Temperature
Protection
3 GND
AL3022
Document number: DS36514 Rev. 3 - 2
2 of 12
www.diodes.com
September 2014
© Diodes Incorporated

विन्यास 12 पेज
डाउनलोड[ AL3022 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
AL3022PWM BOOST CONTROLLERDiodes
Diodes


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