TPS54260
SLVSA86 –MARCH 2010
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
PWRGD
EN
3
VIN
6
2
Shutdown
UV
Thermal
Shutdown
UVLO
Enable
Comparator
Logic
Shutdown
Shutdown
Logic
OV
Enable
Threshold
Boot
Charge
Voltage
Reference
Minimum
Clamp
Pulse
Boot
UVLO
Current
Sense
ERROR
AMPLIFIER
Skip
PWM
Comparator
VSENSE
SS/TR
7
4
BOOT
1
Logic
And
PWM Latch
Shutdown
Slope
Compensation
PH
10
11
8
COMP
POWERPAD
Frequency
Shift
Maximum
Clamp
Overload
Recovery
GND
9
Oscillator
with PLL
TPS54260 Block Diagram
5
RT/CLK
6
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