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MCP1642B Datasheet(PDF) 2 Page - Microchip Technology

Part # MCP1642B
Description  1.8A Input Current Switch, 1 MHz Low-Voltage Start-Up Synchronous Boost Regulator
PDF  32 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1642B Datasheet(HTML) 2 Page - Microchip Technology

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MCP1642B/D
DS20005253A-page 2
 2014 Microchip Technology Inc.
Typical Application
VIN
GND
VFB
VOUT
5.0V
COUT
4.7...10 µF
CIN
4.7...10 µF
L
4.7 µH
SW
976 k
309 k
EN
VOUT
+
-
1M
PG
ON
OFF
To PIC MCU I/O
+
-
RTOP
RBOT
RPG
VIN
GND
VOUT
3.3V
COUT
4.7...10 µF
CIN
4.7...10 µF
L1
4.7 µH
SW
EN
VOUT
+
-
PG
ON
OFF
NC
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
I
OUT (mA)
V
IN = 2.5V, VOUT = 5.0V
V
IN = 1.2V, VOUT = 3.3V
MCP1642B-33
MCP1642D-ADJ
From PIC® MCU I/O
VIN= 0.9 to 1.6V
VIN= 1.8 to 3.2V



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