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TPS54160ADGQR Datasheet(PDF) 5 Page - Texas Instruments

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No. de pieza TPS54160ADGQR
Descripción Electrónicos  1.5-A, 60-V, Step-Down SWIFT DC/DC Converter with Eco-mode
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54160ADGQR Datasheet(HTML) 5 Page - Texas Instruments

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Thermal
Pad
(11)
BOOT
VIN
EN
PH
GND
COMP
VSENSE
PWRGD
SS/TR
RT/CLK
MSOP-10
(TOP VIEW)
1
2
3
4
5
6
7
9
8
10
Thermal
Pad
(11)
BOOT
VIN
EN
PH
GND
COMP
VSENSE
PWRGD
SS/TR
RT/CLK
VSON-10
(TOP VIEW)
TPS54160A
www.ti.com
SLVSB56A – MAY 2012 – REVISED AUGUST 2012
DEVICE INFORMATION
PIN CONFIGURATION
PIN FUNCTIONS
PIN
I/O
DESCRIPTION
NAME
NO.
A bootstrap capacitor is required between BOOT and PH. If the voltage on this capacitor is below the
BOOT
1
O
minimum required by the device, the output is forced to switch off until the capacitor is refreshed.
Error amplifier output, and input to the output switch current comparator. Connect frequency compensation
COMP
8
O
components to this pin.
Enable pin, internal pull-up current source. Pull below 1.2 V to disable. Float to enable. Adjust the input
EN
3
I
undervoltage lockout with two resistors.
GND
9
Ground
PH
10
I
The source of the internal high-side power MOSFET.
Thermal Pad
11
GND pin must be electrically connected to the exposed pad on the printed circuit board for proper operation.
An open drain output, asserts low if output voltage is low due to thermal shutdown, dropout, over-voltage or
PWRGD
6
O
EN shut down.
Resistor Timing and External Clock. An internal amplifier holds this pin at a fixed voltage when using an
external resistor to ground to set the switching frequency. If the pin is pulled above the PLL upper threshold,
RT/CLK
5
I
a mode change occurs and the pin becomes a synchronization input. The internal amplifier is disabled and
the pin is a high impedance clock input to the internal PLL. If clocking edges stop, the internal amplifier is re-
enabled and the mode returns to a resistor set function.
Slow-start and Tracking. An external capacitor connected to this pin sets the output rise time. Since the
SS/TR
4
I
voltage on this pin overrides the internal reference, it can be used for tracking and sequencing.
VIN
2
I
Input supply voltage, 3.5 V to 60 V.
VSENSE
7
I
Inverting node of the transconductance (gM) error amplifier.
Copyright © 2012, Texas Instruments Incorporated
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Product Folder Links: TPS54160A


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