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TPS61016 Datasheet(PDF) 12 Page - Texas Instruments

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No. de Pieza. TPS61016
Descripción  TPS6101x High-Efficiency, 1-Cell and 2-Cell Boost Converters
Descarga  36 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61016 Datasheet(HTML) 12 Page - Texas Instruments

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background image
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UVLO
Control Logic
Oscillator
Gate Drive
Current Sense,
Current Limit, Slope
Compensation
_
+
Antiringing
Comparator
and Switch
_
+
Bandgap
Reference
Bias
Control
ADEN
Error
Amplifier
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+
COUT
VOUT
FB
COMP
GND
SW
L1
CIN
VBAT
EN
ADEN
LBI
LBO
ADEN
VREF
Error
Comparator
TPS61010, TPS61011, TPS61012, TPS61013, TPS61014, TPS61015, TPS61016
SLVS314F – SEPTEMBER 2000 – REVISED AUGUST 2015
www.ti.com
9 Detailed Description
9.1 Overview
The converter is based on a fixed frequency, current mode, pulse-width-modulation (PWM) Boost converter with
the synchronous rectifier built in. The device limits the current through the power switch on a pulse by pulse
basis. TPS6101x enters a power save-mode at light load. In this mode, TPS6101x only switches if the output
voltage trips below a set threshold voltage. It ramps up the output voltage with one or several pulses, and goes
again into power save-mode once the output voltage exceeds a set threshold voltage. The load is completely
isolated from the battery when the device shutdown. An auto-discharge function allows discharging the output
capacitor during shutdown. The auto-discharge function is enabled if this pin is connected to VBAT, and it is
disabled if ADEN is tied to GND.
9.2 Functional Block Diagram
Figure 17. Fixed Output Voltage Versions TPS61011 to TPS61016
12
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Copyright © 2000–2015, Texas Instruments Incorporated
Product Folder Links: TPS61010 TPS61011 TPS61012 TPS61013 TPS61014 TPS61015 TPS61016


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