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| 型号： | TPS62351YZG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.6 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, BGA12 |
| 封装： | DSBGA-12 |
| 文件页数： | 1/46页 |
| 文件大小： | 1530K |
| 代理商： | TPS62351YZG |
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QFN-10
CSP-12
1
FEATURES
DESCRIPTION
APPLICATIONS
FB
C2
10 F
m
A
L1
1 H
m
PVIN
TPS62350YZG
2.7V..5.5V
SW
AVIN
PGND
A
EN
VSEL
SDA
SCL
SYNC
upto3.4Mbips
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Efficiency
%
IO OutputCurrent mA
VO
C1
VI
VO =Roof
VO =Floor
TYPICAL APPLICATION
0
EFFICIENCY vsLOADCURRENT
I2C Bus
AGND
V =3.6V
V
=1.35V
LPFM/PWMMode
I
O
www.ti.com .............................................................................................................................................................. SLVS540E – MAY 2006 – REVISED APRIL 2008
800-mA / 1000-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER
WITH I2C COMPATIBLE INTERFACE IN CHIP SCALE PACKAGING
234
88% Efficiency at 3-MHz Operation
800-mA Output Current at V
I = 2.7 V
The
TPS6235x
device
is
a
high-frequency
synchronous step-down dc-dc converter optimized for
3-MHz Fixed Frequency Operation
battery-powered portable applications. Intended for
Best in Class Load and Line Transient
low-power applications, the TPS6235x supports up to
Complete 1-mm Component Profile Solution
800-mA load current and allows the use of small, low
cost inductors and capacitors.
±2% PWM DC Voltage Accuracy
35-ns Minimum On-Time
The device is ideal for mobile phones and similar
portable applications powered by a single-cell Li-Ion
Efficiency Optimized Power-Save Mode
battery. With an output voltage range adjustable via
(Light PFM)
I2C interface down to 0.6 V, the device supports
Transient Optimized Power-Save Mode
low-voltage
DSPs
and
processors
core
power
(Fast PFM)
supplies in smart-phones, PDAs, and handheld
computers.
28-A Typical Quiescent Current
The TPS6235x operates at 3-MHz fixed switching
I2C Compatible Interface up to 3.4 Mbps
frequency
and
enters
the
efficiency
optimized
Pin-Selectable Output Voltage
power-save mode operation at light load currents to
Synchronizable On the Fly to External
maintain high efficiency over the entire load current
Clock Signal
range.
In
the
shutdown
mode,
the
current
consumption is reduced to less than 2
A.
Available in a 10-Pin QFN (3 x 3 mm) and
12-Pin NanoFree (CSP) Packaging
The serial interface is compatible with Fast/Standard
and High-Speed mode I2C specification allowing
transfers at up to 3.4 Mbps. This communication
interface is used for dynamic voltage scaling with
SmartReflex Compliant Power Supply
voltage steps down to 12.5 mV, for reprogramming
Split Supply DSPs and P Solutions
the mode of operation (Light PFM, Fast PFM or
OMAP, XSCALE
Forced PWM) or disable/enabling the output voltage.
Cell Phones, Smart-Phones
PDAs, Pocket PCs
Digital Cameras
Micro DC-DC Converter Modules
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, SmartReflex, OMAP, PowerPAD are trademarks of Texas Instruments.
3
XSCALE is a trademark of Intel Corporation.
4
I2C is a trademark of Philips Corporation.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2008, 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS62351YZGR | 功能描述:直流/直流开关调节器 Adj 800mA 3MHz Buck 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 |
| TPS62351YZGT | 功能描述:直流/直流开关调节器 Adj 800mA 3MHz Buck 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 |
| TPS62352YZGR | 功能描述:直流/直流开关调节器 Adj 800mA 3MHz Buck 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 |
| TPS62352YZGT | 功能描述:直流/直流开关调节器 Adj 800mA 3MHz Buck 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 |
| TPS62353YZGR | 功能描述:直流/直流开关调节器 1A 3MHz Buck 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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