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參數(shù)資料
| 型號： | TPS62300YZD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING |
| 中文描述： | 500毫安，3 MHz的同步降壓轉換器芯片級封裝 |
| 文件頁數(shù)： | 1/31頁 |
| 文件大?。?/td> | 1635K |
| 代理商： | TPS62300YZD |
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QFN-10
CSP-8
www.ti.com
FEATURES
Up to 93% Efficiency at 3-MHz Operation
Up to 500-mA Output Current at V
I
= 2.7 V
3-MHz Fixed Frequency Operation
Best in Class
Load and Line Transient
Complete 1-mm Component Profile Solution
-0.5% / +1.3% PWM DC Voltage Accuracy Over
Temperature
35-ns Minimum On-Time
Power-Save Mode Operation at Light Load
Currents
Fixed and Adjustable Output Voltage
Only 86-
μ
A Quiescent Current
100% Duty Cycle for Lowest Dropout
Synchronizable
On the Fly
to External
Clock Signal
Integrated Active Power-Down Sequencing
(TPS6232x only)
Available in a 10-Pin QFN (3 x 3 mm) and
Highly Reliable 8-Pin NanoFree and
NanoStar (CSP) Packaging
DESCRIPTION
The TPS623xx device is a high-frequency synchron-
ous
step-down
dc-dc
battery-powered portable applications. Intended for
low-power applications, the TPS623xx supports up to
500-mA load current and allows the use of tiny, low
cost chip inductor and capacitors.
APPLICATIONS
Cell Phones, Smart-Phones
WLAN and Bluetooth Applications
Micro DC-DC Converter Modules
PDAs, Pocket PCs
USB-Based DSL Modems
Digital Cameras
VIN
SW
TPS62303YZD
ADJ
C1
C2
VOUT
EN
MODE/SYNC
FB
A2
B2
C1
B1
D1
C2
D2
GND
A1
4.7
μ
F
V
I
2.7 V . . 6 V
4.7
μ
F
V
O
1.8 V/500 mA
L1
1
μ
H
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1 k
V
I
= 3.6 V,
V
O
= 1.8 V
L = 2.2
μ
H,
C
O
= 4.7
μ
F
E
I
O
Load Current mA
TPS62300, TPS62301, TPS62302
TPS62303, TPS62305, TPS62311
TPS62313, TPS62320, TPS62321
SLVS528B–JULY 2004–REVISED JUNE 2005
500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER
IN CHIP SCALE PACKAGING
converter
optimized
for
The device is ideal for mobile phones and similar
portable applications powered by a single-cell Li-Ion
battery or by 3-cell NiMH/NiCd batteries. With an
output voltage range from 5.4 V down to 0.6 V, the
device supports the low-voltage TMS320 DSP
family, processors in smart-phones, PDAs as well as
notebooks, and handheld computers.
The TPS62300 operates at 3-MHz fixed switching
frequency and enters the power-save mode operation
at light load currents to maintain high efficiency over
the entire load current range. For low noise appli-
cations, the device can be forced into fixed frequency
PWM mode by pulling the MODE/SYNC pin high. The
device can also be synchronized to an external clock
signal in the range of 3 MHz. In the shutdown mode,
the current consumption is reduced to less than 1
μ
A.
The TPS623xx is available in a 10-pin leadless
package (3 x 3 mm QFN) and an 8-pin chip-scale
package (CSP).
Figure 1. Smallest Solution Size Application
(Fixed Output Voltage)
Figure 2. Efficiency vs Load Current
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.
NanoFree, NanoStar, TMS320 are trademarks of Texas Instruments.
Bluetooth is a trademark of Bluetooth SIG, Inc.
PowerPAD is a trademark of Texas Instsruments.
UNLESS OTHERWISE NOTED this document contains PRO-
DUCTION DATA information current as of publication date. Prod-
ucts conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily
include testing of all parameters.
Copyright 2004–2005, Texas Instruments Incorporated
相關PDF資料 |
PDF描述 |
|---|---|
| TPS62301DRC | 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING |
| TPS62301YZD | 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING |
| TPS62302DRC | 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING |
| TPS62302YZD | 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING |
| TPS62303DRC | 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62300YZDR | 功能描述:直流/直流開關調節(jié)器 Adj 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(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62300YZDT | 功能描述:直流/直流開關調節(jié)器 Adj 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(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62301DRCR | 功能描述:直流/直流開關調節(jié)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(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62301DRCRG4 | 功能描述:直流/直流開關調節(jié)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(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62301YZDR | 功能描述:直流/直流開關調節(jié)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(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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