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| 型号： | TPS62305DRCR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.89 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件页数： | 1/37页 |
| 文件大小： | 1401K |
| 代理商： | TPS62305DRCR |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS62305DRCRG4 | 功能描述:直流/直流开关调节器 1.875V 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62305YZDR | 功能描述:直流/直流开关调节器 1.875V 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62305YZDT | 功能描述:直流/直流开关调节器 1.875V 500-mA 3MHz Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62311YZDR | 功能描述:直流/直流开关调节器 Adj 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62311YZDT | 功能描述:直流/直流开关调节器 Adj 500-mA 3-MHz Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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