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參數資料
| 型號： | TPS62321YED |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.89 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, BGA8 |
| 封裝： | LEAD FREE, DSBGA-8 |
| 文件頁數： | 1/37頁 |
| 文件大小： | 1401K |
| 代理商： | TPS62321YED |
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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
F
VI
2.7 V . . 6 V
4.7
F
VO
1.8 V/500 mA
L1
1
H
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
H,
CO = 4.7 F
Efficiency
%
IO Load Current mA
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-A 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
A.
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62321YEDR | 功能描述:開關變換器、穩壓器與控制器 1.5V 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62321YEDT | 功能描述:開關變換器、穩壓器與控制器 1.5V 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62321YZDR | 功能描述:直流/直流開關調節器 1.5V 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62321YZDT | 功能描述:直流/直流開關調節器 1.5V 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62350EVM-201 | 功能描述:電源管理IC開發工具 STEP DOWN CONVERTER RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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