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TPS62665YFFT Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS62665YFFT
Descripción Electrónicos  1000-mA, 6-MHz High-Efficiency Step-Down Converter in Chip Scale Packaging
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62665YFFT Datasheet(HTML) 1 Page - Texas Instruments

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0.1
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1000
I -LoadCurrent-mA
O
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350
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500
PowerLoss
PFM/PWMOperation
Efficiency
PFM/PWMOperation
V =3.6V,
V =1.8V
I
O
VIN
SW
FB
MODE
EN
GND
VOUT
1.8 V @ 1000mA
C
4.7 F
I
m
TPS62661
L
0.47 H
m
C
4.7 F
O
m
VBAT
3.0 V .. 5.5 V
Copyright © 2016, Texas Instruments Incorporated
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPS62660, TPS62665
SLVS871D – FEBRUARY 2010 – REVISED JUNE 2016
TPS62660 1000-mA, 6-MHz High-Efficiency Step-Down Converter
in Chip Scale Packaging
1
1 Features
1
91% Efficiency at 6-MHz Operation
31-μA Quiescent Current
Wide VIN Range from 2.3 V to 5.5 V
6-MHz Regulated Frequency Operation
Best in Class Load and Line Transient
±2% Total DC Voltage Accuracy
Automatic PFM or PWM Mode Switching
Low Ripple Light-Load PFM Mode
Fast Turnon Time: < 60-μs Start-Up Time
Integrated Active Power-Down Sequencing
(Optional)
Current Overload and Thermal Shutdown
Protection
Three Surface-Mount External Components
Required (One MLCC Inductor, Two Ceramic
Capacitors)
Complete Sub 1-mm Component Profile Solution
Total Solution Size <12 mm2
Available in a 6-Pin NanoFree™ (DSBGA)
2 Applications
Cell Phones and Smart Phones
PDAs and Pocket PCs
Portable Hard Disk Drives
DC-DC Micro Modules
3 Description
The
TPS6266x
device
is
a
high-frequency
synchronous step-down DC-DC converter optimized
for battery-powered portable applications. Intended
for low-power applications, the TPS6266x supports
up to 1000-mA peak load current, and allows the use
of low-cost chip inductor and capacitors.
With a wide input voltage range of 2.3 V to 5.5 V, the
device supports applications powered by Li-Ion
batteries with extended voltage range. Different fixed
voltage output versions are available from 1.2 V to
2.3 V.
The TPS6266x operates at a regulated 6-MHz
switching frequency and enters the power-save mode
operation at light load currents to maintain high
efficiency over the entire load current range.
The PFM mode extends the battery life by reducing
the quiescent current to 31 μA (typical) during light
load and standby operation. For noise-sensitive
applications, the device can be forced into fixed
frequency PWM mode by pulling the MODE pin high.
In the shutdown mode, the current consumption is
reduced to less than 1 μA.
The TPS6266x is available in an 6-pin chip scale
package (DSBGA).
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS62660
DSBGA (6)
1.30 mm × 0.93 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Smallest Solution Size Application
Efficiency vs Load Current


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