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TPS82694 Fiches technique(PDF) 7 Page - Texas Instruments

No de pièce TPS82694
Description  High-Efficiency MicroSiP STEP-DOWN CONVERTER
Download  31 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS82694 Fiches technique(HTML) 7 Page - Texas Instruments

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background image
Gate Driver
Anti
Shoot-Through
Power Save Mode
Feedback Divider
+
-
Frequency
Control
R1
R2
L
GND
Soft-Start
EN
VIN
Current Limit
Detect
Undervoltage
Lockout
Bias Supply
Bandgap
Thermal
Shutdown
Negative Inductor
Current Detect
VIN
MODE
V
= 0.8 V
REF
V
REF
C
I
1µH
C
4.7µF
O
Switching
VOUT
DC/DC CONVERTER
4.7µF
SIP-8
(TOP VIEW)
SIP-8
(BOTTOMVIEW)
A1
B1
C1
A2
B2
C2
GND
MODE
VOUT
GND
A3
C3
VIN
EN
A3
C3
A2
B2
C2
GND
EN
VIN
GND
C1
VOUT
MODE
A1
B1
TPS82692 , TPS82693, TPS82694, TPS826951
TPS82697, TPS82698, TPS82699
www.ti.com
SLVSBF8A – MARCH 2013 – REVISED JULY 2013
PIN ASSIGNMENTS TPS8269X
PIN FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
VOUT
A1
O
Power output pin. Apply output load between this pin and GND.
VIN
A2, A3
I
The VIN pins supply current to the TPS8269xSIP's internal regulator.
This is the enable pin of the device. Connecting this pin to ground forces the converter into
EN
B2
I
shutdown mode. Pulling this pin to VIN 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
B1
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
C1, C2, C3
Ground pin.
FUNCTIONAL BLOCK DIAGRAM
Copyright © 2013, Texas Instruments Incorporated
7
Product Folder Links: TPS82692 TPS82693 TPS82694 TPS826951 TPS82697 TPS82698 TPS82699


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