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| TPS54821 Datasheet, PDF (6/37 Pages) Texas Instruments – 4.5 V to 17 V Input, 8 A Synchronous Step Down SWIFT™ Converter With Hiccup | |||
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TPS54821
SLVSB14 â OCTOBER 2011
VSENSE
SS/TR
FUNCTIONAL BLOCK DIAGRAM
PWRGD
EN
www.ti.com
VIN PVIN PVIN
Shutdown
UV
Logic
OV
ERROR
AMPLIFIER
Minimum Clamp
Pulse Skip
Thermal
Hiccup
Ip
Ih
Enable
Comparator
Shutdown
UVLO
Enable
Threshold
Shutdown
Logic
Hiccup
Shutdown
Boot
Charge
Current
Sense
Boot
UVLO
BOOT
Voltage
Reference
HS MOSFET
Current
Comparator
Power Stage
& Deadtime
PH
Control
Logic
Slope
PH
Compensation
Hiccup
Shutdown
Overload
Recovery
Maximum
Clamp
Oscillator
with PLL
LS MOSFET
Current Limit
VIN Regulator
Current
Sense
GND
GND
COMP
RT/CLK
EXPOSED THERMAL PAD
6
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Product Folder Link(s) :TPS54821
Copyright © 2011, Texas Instruments Incorporated
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