參數(shù)資料
型號(hào)： TPS62601YFFT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.1 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA6
封裝： GREEN, DSBGA-6
文件頁(yè)數(shù)： 1/24頁(yè)
文件大小： 785K
代理商： TPS62601YFFT
CSP-6
1
FEATURES
DESCRIPTION
APPLICATIONS
VIN
SW
TPS 6260x
L
CI
2.2
F
m
VO
CO
VI
0.47
H
m
FB
MODE
EN
GND
2.3V..5.5V
1.8V/500mA
4.7
F
m
0.1
1
10
100
1000
I -LoadCurrent-mA
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
0
20
40
60
80
100
120
140
160
180
200
PowerLoss-mW
V =3.6V,
V =1.83V
I
O
L =0.5 H(Aircoil),
C =4.7 F
m
O
Efficiency
PFM/PWMOperation
PowerLoss
PFM/PWMOperation
www.ti.com ...................................................................................................................................................................................................... SLVS678 – JUNE 2008
500-mA, 6-MHz SYNCHRONOUS STEP-DOWN CONVERTER
IN CHIP SCALE PACKAGING
23
89% Efficiency at 6MHz Operation
Output Current Up to 500mA
The
TPS6260x
device
is
a
high-frequency
Wide V
IN Range From 2.3V to 5.5V
synchronous step-down dc-dc converter optimized for
6MHz Regulated Frequency Operation
battery-powered portable applications. Intended for
low-power applications, the TPS6260x supports up to
Best in Class Load and Line Transient
500mA load current, and allows the use of low cost
±1.5% Total DC Voltage Accuracy
chip inductor and capacitors.
Automatic PFM/PWM Mode Switching
With a wide input voltage range of 2.3V to 5.5V, the
30A Quiescent Current
device supports applications powered by Li-Ion
35ns Minimum On-Time
batteries with extended voltage range. Different fixed
voltage output versions are available from 1V to 2.5V.
Internal Soft Start, <200-s Start-Up Time
Current Overload and Thermal Shutdown
The TPS6260x operates at a regulated 6-MHz
Protection
switching frequency and enters the power-save mode
operation at light load currents to maintain high
Three Surface-Mount External Components
efficiency over the entire load current range.
Required (One MLCC Inductor, Two Ceramic
Capacitors)
The PFM mode extends the battery life by reducing
the quiescent current to 30
A (typ) during light load
Complete Sub 1-mm Component Profile
and
standby
operation.
For
noise-sensitive
Solution
applications, the device can be forced into fixed
Total Solution Size <13 mm2
frequency PWM mode by pulling the MODE pin high.
Available in a 6-Pin NanoFree (CSP)
In the shutdown mode, the current consumption is
Packaging
reduced to less than 1
A.
The TPS6260x is available in an 6-pin chip-scale
package (CSP).
Cell Phones, Smart-Phones
PDAs, Pocket PCs
WLAN and Bluetooth Applications
DVB-H Tuner Applications
Portable Hard Disk Drives
DC/DC Micro Modules
Figure 1. Smallest Solution Size Application
Figure 2. Efficiency vs Load Current
(Fixed Output Voltage)
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 is a trademark of Texas Instruments.
3
Bluetooth is a trademark of Bluetooth SIG, Inc.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, 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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