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L5107 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - CONSTANT CUTTENT BOOST CONTROLLER - Unisonic Technologies

भाग संख्या L5107
समारोह CONSTANT CUTTENT BOOST CONTROLLER
मैन्युफैक्चरर्स Unisonic Technologies 
लोगो Unisonic Technologies लोगो 
पूर्व दर्शन
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<?=L5107?> डेटा पत्रक पीडीएफ

L5107 pdf
L5107
PIN CONFIGURATION
Preliminary
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PIN NAME
NC
VIN
EN
PWMD
COMP
IADJ
FS
AGND
NC
SYNC
IS
OVP
PGND
DRV
VDD
NC
EPAD
DESCRIPTION
No Connection.
Power Input Pin. The external voltage supply is connected to this pin. A 4.7µF/50V
capacitor must be connected across this pin and GND.
Enable Control Pin. Pull high to turn on. A 100kresistor can be connected across this
pin and VIN.
Dimming PWM Control Pin. Logic High terminates the output power. Logic Low starts
up the output power.
Error Amp Output Pin. A 10nF capacitor must be connected across this pin and GND
for external compensation.
Output Feedback Pin. The reference is 0.25V.
Timing Resistance Connection Pin. Connected to a Resistor to determine the operating
frequency.
Analog Ground.
No Connection.
Frequency Synchronize Pin. The UTC L5107 can be Connected together by this pin to
synchronize multiple converters.
Current Sense Pin. Connected to external current sense resistor which in turn is
connected to the source of the external FET as well as an external slope compensation
resistor.
OVP Divider Connect Pin. Connect the top of the divider string to the output. If the load
is disconnected, the output voltage will rise until OVP reaches 1.25V and then will
regulate around this point.
Power Ground.
Drive Output. Connect to the gate of external FET.
VDD Filter Connect Pin. Connect a 10μF/10V capacitor to GND. It is also the positive
supply for the Driver. Do not connect an external load to this pin.
No Connect.
Connect to AGND.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 8
QW-R125-026.b

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