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UC3750L-XX-AF5-R Datasheet(PDF) 2 Page - Unisonic Technologies

Part # UC3750L-XX-AF5-R
Description  600kHZ PWM/PFM STEP-DOWN DC-DC CONTROLLER
PDF  8 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3750L-XX-AF5-R Datasheet(HTML) 2 Page - Unisonic Technologies

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UC3750
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
2 of 8
www.unisonic.com.tw
QW-R502-360.b
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
SOT-25
27: 2.7V
33: 3.3V
3
2
1
UFXXG
5
4
Voltage Code
G: Halogen Free
L: Lead Free
PIN CONFIGURATION
PIN DESCRIPTION
PIN NO.
PIN NAME
DESCRIPTION
1
CE
Chip Enable pin, active high (internal pull-up current source). By connecting this pin to
GND, the switching operation of the controller will be stopped.
2
GND
Ground Connection
3
VOUT
Output voltage monitoring input. This pin must be connected to the regulated output
node as a feedback to on-chip control circuitry. VOUT is internally connected to the
on-chip voltage divider that determines the output voltage level.
4
EXT
Gate drive for external P-MOSFET.
5
VIN
Power supply input
BLOCK DIAGRAM



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