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AAT3174 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - High Current LED Flash Driver Charge Pump IC - ANALOGICTECH

भाग संख्या AAT3174
समारोह High Current LED Flash Driver Charge Pump IC
मैन्युफैक्चरर्स ANALOGICTECH 
लोगो ANALOGICTECH लोगो 
पूर्व दर्शन
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<?=AAT3174?> डेटा पत्रक पीडीएफ

AAT3174 pdf
AAT3174
High Current, High Efficiency Charge Pump
Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
EP
Symbol
VIN
C1+
C1-
GND
FL
RSET
EN/SET
N/C
C2-
C2+
OUT
VIN
Function
Input power supply pin. Requires 4.7µF bypass capacitor to ground.
Flying capacitor C1 positive terminal. Connect a 1µF capacitor between C1+ and C1-.
Flying capacitor C1 negative terminal.
Ground connection.
Controlled current sink. Connect the flash LED cathode to this pin.
Connect resistor here to set maximum output current.
Charge pump enable / set input control pin. When in the low state, the AAT3174 is
powered down and consumes less than 1µA. When connected to logic high level,
the AAT3174 charge pump is active. This pin should not be left floating.
Not connected.
Flying capacitor C2 negative terminal.
Flying capacitor C2 positive terminal. Connect a 1µF capacitor between C2+ and C2-.
Charge pump output. Requires 2.2µF bypass capacitor to ground. Connect to flash LED
anode to drive the LED.
Input power supply pin. Requires 4.7µF bypass capacitor to ground.
Exposed paddle (bottom). Connect to GND directly beneath package.
Pin Configuration
TDFN33-12
(Top View)
VIN 1
C1+ 2
C1- 3
GND 4
FL 5
RSET 6
12 VIN
11 OUT
10 C2+
9 C2-
8 N/C
7 EN/SET
2 3174.2006.05.1.2

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डाउनलोड[ AAT3174 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

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AAT3170High Current LED Flash Driver Charge Pump ICANALOGICTECH
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AAT3171High Efficiency Charge PumpAAT
AAT


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