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P1696 Datasheet(PDF) 4 Page - Unisonic Technologies

Part No. P1696
Description  150KHZ, 2A PWM STEP-DOWN DC/DC CONVERTER
Download  7 Pages
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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P1696 Datasheet(HTML) 4 Page - Unisonic Technologies

   
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P1696
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 7
www.unisonic.com.tw
QW-R103-035,B
TYPICAL APPLICATION
(Fixed Output Voltage Versions)
Co
Capacitor
5.0V/2A
Output Load
L1
Inductor
Output
D1
Schottky Diode
Gnd
UTC
P1696 -5.0V
1
4
2
3
5,6,7,8
VIN
FB
+
+
12V
DC Input
on / off
CIN
Capacitor
ADJUSTABLE OUTPUT VOLTAGE VERSIONS
P 1696-ADJ
1
+VIN
UNREGULATED
DC INPUT
3
5,6,7,8 GND
ON/OFF
2
Output
Keep Feedback Wiring Away From
Inductor Flux
Regulated Output
L
O
A
D
COUT
+
+
CIN
+
4
Feedback
Locate The Programming Resistors Near The
Feedback Pin Using Short Leads
Heavy Lines Must be Kept Short and Use Ground Plane
Construction for Best Results
D1
L1
CFF
R2
R1
1k
R1
R2
R1 +
VOUT×() = VREF
R2
R1
)
VOUT = VREF (1+
Where VREF = 1.23V
VOUT
VREF
-1)
R2 = R1(


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