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LPS4012 Datasheet(PDF) 16 Page - Microchip Technology

Part # LPS4012
Description  24V Input, 1A/2A Output, High Efficiency Synchronous Buck Regulator with Power Good Indication
PDF  34 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LPS4012 Datasheet(HTML) 16 Page - Microchip Technology

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MCP16321/2
DS22285A-page 16
© 2011 Microchip Technology Inc.
4.1.9
OVERTEMPERATURE
PROTECTION
Overtemperature protection limits the silicon die
temperature to +170°C by turning the converter off. The
normal switching resumes at +160°C.
FIGURE 4-1:
MCP16321/2 Block Diagram.
Amp
-
+
COMP
-
+
LS
Drive
HS
Drive
Gate Drive
Control
BOOST
Voltage
PGND
Monitor and
Control
EN
PG
OV
Protection
UV
Protection
Current
Limit
OTEMP
Protection
VREF and
Softstart
+
+
Slope
Comp
1 MHz
Oscillator
VOUT
Compensation
COMP
-
+
VREF
SW
CBOOST
L
COUT
4.2V
RTOP
RBOT
VIN
PFM
Comparator
FB
CIN
CS
VOUT
BOOST
PWM
Comparator
SGND
VOUT
Internal Bias



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