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TPS62622YFFR Datasheet(PDF) 4 Page - Texas Instruments

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No. de pieza TPS62622YFFR
Descripción Electrónicos  600-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS62622YFFR Datasheet(HTML) 4 Page - Texas Instruments

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PIN ASSIGNMENTS
GND
A1
B1
C1
A2
B2
C2
FB
SW
MODE
VIN
EN
TPS62620
CSP-6
(TOP VIEW)
MODE
C1
A2
B2
C2
A1
B1
VIN
EN
GND
FB
SW
TPS62620
CSP-6
(BOTTOMVIEW)
FUNCTIONAL BLOCK DIAGRAM
GateDriver
Anti
Shoot-Through
PowerSaveMode
SwitchingLogic
+
-
Frequency
Control
FB
R1
R2
SW
GND
Soft-Start
EN
VIN
CurrentLimit
Detect
Undervoltage
Lockout
BiasSupply
Bandgap
Thermal
Shutdown
NegativeInductor
CurrentDetect
VIN
MODE
V
= 0.8 V
REF
VREF
TPS62620
,, TPS62621
TPS62622, TPS62623
TPS62624, TPS62625
SLVS848A – JULY 2009 – REVISED JULY 2009 ............................................................................................................................................................... www.ti.com
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
FB
C1
I
Output feedback sense input. Connect FB to the converter’s output.
VIN
A2
I
Power supply input.
This is the switch pin of the converter and is connected to the drain of the internal Power
SW
B1
I/O
MOSFETs.
This is the enable pin of the device. Connecting this pin to ground forces the device into
EN
B2
I
shutdown mode. Pulling this pin to VI enables the device. This pin must not be left floating and
must be terminated.
This is the mode selection pin of the device. This pin must not be left floating and must be
terminated.
MODE = LOW: The device is operating in regulated frequency pulse width modulation mode
MODE
A1
I
(PWM) at high-load currents and in pulse frequency modulation mode (PFM) at light load
currents.
MODE = HIGH: Low-noise mode enabled, regulated frequency PWM operation forced.
GND
C2
Ground pin.
4
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Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS62620 TPS62621 TPS62622 TPS62623 TPS62624 TPS62625


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