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MCP1661 Datasheet(PDF) 20 Page - Microchip Technology

Part # MCP1661
Description  High-Voltage Integrated Switch PWM Boost Regulator with UVLO
PDF  34 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1661 Datasheet(HTML) 20 Page - Microchip Technology

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MCP1661
DS20005315B-page 20
 2014-2015 Microchip Technology Inc.
6.0
TYPICAL APPLICATION CIRCUITS
FIGURE 6-1:
Two Alkaline Cells to 12V Boost Converter.
VIN
GND
VFB
VOUT
12V, 75 mA
COUT
10 µF
CIN
10 µF
L
4.7 µH
SW
1.05 M
120 k
EN
+
-
ON
OFF
+
-
RTOP
RBOT
VIN
2.4V
-3.0V
D
MCP1661
Schottky
D
Component
Value
Manufacturer
Part Number
Comment
CIN
10 µF
TDK Corporation
C2012X7R1A106K125AC Cap. ceramic 10 µF 10V 10% X7R 0805
COUT
10 µF
TDK Corporation
C3216X7R1C106K160AC Cap. ceramic 10 µF 16V 10% X7R 1206
L
4.7 µH Coilcraft
XFL4020-472MEB
Inductor Power 4.7 µH 2A SMD
RTOP
1.05 MΩ Yageo Corporation
RC0805FR-071M05L
Res. 1.05 MΩ 1/8W 1% 0805 SMD
RBOT
120 kΩ Yageo Corporation
RC0805FR-07120KL
Res. 120 kΩ 1/8W 1% 0805 SMD
D
—
NXP Semiconductor PMEG2005EH,115
Diode Schottky 20V 0.5A SOD123F



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