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MCP1631VHVT-500E/ST Datasheet(PDF) 4 Page - Microchip Technology

Part # MCP1631VHVT-500E/ST
Description  High-Speed, Pulse Width Modulator
PDF  34 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1631VHVT-500E/ST Datasheet(HTML) 4 Page - Microchip Technology

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MCP1631/HV/MCP1631V/VHV
DS22063B-page 4
© 2008 Microchip Technology Inc.
Functional Block Diagram(1)
MCP1631HV/VHV High Speed PIC PWM
R
S
Q
Q
A1
+
-
VREF
FB
C1
+
-
CS/VRAMP
OSCIN
PVDD
COMP
PGND
VEXT
2R
2.7V Clamp
OT
UVLO
100 kΩ
0.1 µA
VDD
R
R
R
10R
A2
A3
+3.3V or +5.0V
LDO
250 mA
VIN
AVDD_OUT / AVDD_IN
VDD
Shutdown Control
A3 Remains On
SHDN
ISIN
ISOUT
VSIN
VSOUT
C2
+
-
VDD
AGND
OVIN
Overvoltage Comp
w/ Hysteresis
Internal
1.2V VREF
OSCDIS
100 kΩ
Remove for MCP1631V
and MCP1631VHV Options
Internal Regulator for MCP1631HV and MCP1631VHV
Options Only; For MCP1631 and MCP1631V AVDD_IN is input
VDD
VDD
VDD
VDD
VDD
Note 1: For Shutdown control, amplifier A3 remains functional so
battery voltage can be sensed during discharge phase.
2: For HV options, internal Low Drop Out Regulator provides
+3.3V or +5.0V bias to VDD.



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