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MCP1641X Datasheet(PDF) 21 Page - Microchip Technology

Part # MCP1641X
Description  Low IQ Boost Converter with Programmable Low Battery, UVLO and Automatic Input-to-Output Bypass Operation
PDF  44 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1641X Datasheet(HTML) 21 Page - Microchip Technology

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 2020-2021 Microchip Technology Inc. and its subsidiaries
DS20006394D-page 21
MCP1641X
FIGURE 5-1:
MCP1641X Functional Block Diagram.
GATE DRIVE
AND
SHUTDOWN
CONTROL
LOGIC
VIN
VOUT
GND
ISENSE
IZERO
ILIMIT
DIRECTION
CONTROL
OSCILLATOR
SLOPE
COMP.
PWM/PFM
LOGIC
SW
VFB
EA
VFB
0.9 x VREF
485 mV
PGT
UVLO and LBI
Temp. Sensor
PG Comp.
Logic Block
Thermal SHDN
Temp. Error,
Auto-Discharge*
VOUT
Thermal
SHDN
SHDN
LBO
UVLO
LBI
Error
START
START
VPWM
VERR
OCRef
Overcurrent Comp.
PWM Modulator
Error Amp.
PWM
LBI
Error
EN
EN
EN
Note: The auto-discharge transistor is applicable only to MCP16411/2/5/6.
for Temp. and
Voltage Warnings
Comparators
EN
> 75°C
PGT Error
PGT
VIN
VOUT
VMAX
INTERNAL
SUPPLY
VMax
+
–
+
–
VREF = 0.97V
+
–
+
–
+
–
+
–
Error



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