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TPS62300YZDR Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza TPS62300YZDR
Descripción Electrónicos  500-mA, 3-MHz SYNCHRONOUS 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

TPS62300YZDR Datasheet(HTML) 1 Page - Texas Instruments

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background image
QFN-10
CSP-8
1
FEATURES
DESCRIPTION
APPLICATIONS
VIN
SW
TPS62303YZD
ADJ
C1
C2
VOUT
EN
MODE/SYNC
FB
A2
B2
C1
B1
D1
C2
D2
GND
A1
4.7
µF
VI
2.7 V . . 6 V
4.7
µF
VO
1.8 V/500 mA
L1
1
µH
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1 k
VI = 3.6 V,
VO = 1.8 V
L = 2.2
µH,
CO = 4.7 µF
IO − Load Current − mA
TPS62300, TPS62301, TPS62302
TPS62303, TPS62304, TPS62305,
TPS62311, TPS62313, TPS62315, TPS62320, TPS62321
SLVS528E – JULY 2004 – REVISED NOVEMBER 2007
www.ti.com
500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER
IN CHIP SCALE PACKAGING
234
• Up to 93% Efficiency at 3-MHz Operation
• Up to 500-mA Output Current at V
I = 2.7 V
The
TPS623xx
device
is
a
high-frequency
• 3-MHz Fixed Frequency Operation
synchronous step-down dc-dc converter optimized for
• Best in Class Load and Line Transient
battery-powered portable applications. Intended for
low-power applications, the TPS623xx supports up to
• Complete 1-mm Component Profile Solution
500-mA load current and allows the use of tiny, low
• -0.5% / +1.3% PWM DC Voltage Accuracy Over
cost chip inductor and capacitors.
Temperature
The device is ideal for mobile phones and similar
• 35-ns Minimum On-Time
portable applications powered by a single-cell Li-Ion
• Power-Save Mode Operation at Light Load
battery or by 3-cell NiMH/NiCd batteries. With an
Currents
output voltage range from 5.4 V down to 0.6 V, the
• Fixed and Adjustable Output Voltage
device supports the low-voltage TMS320™ DSP
family, processors in smart-phones, PDAs as well as
• Only 86-µA Quiescent Current
notebooks, and handheld computers.
• 100% Duty Cycle for Lowest Dropout
The TPS62300 operates at 3-MHz fixed switching
• Synchronizable On the Fly to External
frequency and enters the power-save mode operation
Clock Signal
at light load currents to maintain high efficiency over
• Integrated Active Power-Down Sequencing
the
entire
load
current
range.
For
low
noise
(TPS6232x only)
applications, the device can be forced into fixed
frequency PWM mode by pulling the MODE/SYNC
• Available in a 10-Pin QFN (3 x 3 mm), 8-Pin
pin high. The device can also be synchronized to an
NanoFree™, and NanoStar™ (CSP) Packaging
external clock signal in the range of 3 MHz. In the
shutdown mode, the current consumption is reduced
to less than 1
µA.
• Cell Phones, Smart-Phones
The TPS623xx is available in a 10-pin leadless
• WLAN and Bluetooth™ Applications
package (3 x 3 mm QFN) and an 8-pin chip-scale
• Micro DC-DC Converter Modules
package (CSP).
• PDAs, Pocket PCs
• USB-Based DSL Modems
• Digital Cameras
Figure 1. Smallest Solution Size Application
(Fixed Output Voltage)
Figure 2. Efficiency vs Load Current
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
NanoFree, NanoStar, TMS320 are trademarks of Texas Instruments.
3
Bluetooth is a trademark of Bluetooth SIG, Inc.
4
PowerPAD is a trademark of Texas Instsruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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