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| 型号： | TPS62665YFFT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.75 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA6 |
| 封装： | GREEN, DSBGA-6 |
| 文件页数： | 1/30页 |
| 文件大小： | 791K |
| 代理商： | TPS62665YFFT |
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CSP-6
VIN
SW
FB
MODE
EN
GND
V
OUT
1.8V@1000mA
C
4.7
F
I
m
TPS62661
L
0.47
H
m
C
4.7
F
O
m
V
BAT
3.0V..5.5V
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
0.1
1
10
100
1000
I
-LoadCurrent-mA
O
PowerLoss-mW
0
50
100
150
200
250
300
350
400
450
500
PowerLoss
PFM/PWMOperation
Efficiency
PFM/PWMOperation
V =3.6V,
V =1.8V
I
O
www.ti.com
SLVS871B – FEBRUARY 2010 – REVISED SEPTEMBER 2010
1000-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
IN CHIP SCALE PACKAGING
1
FEATURES
DESCRIPTION
2
91% Efficiency at 6MHz Operation
The
TPS6266x
device
is
a
high-frequency
31mA Quiescent Current
synchronous step-down dc-dc converter optimized for
Wide VIN Range From 2.3V to 5.5V
battery-powered portable applications. Intended for
6MHz Regulated Frequency Operation
low-power applications, the TPS6266x supports up to
1000mA peak load current, and allows the use of low
Best in Class Load and Line Transient
cost chip inductor and capacitors.
±2% Total DC Voltage Accuracy
With a wide input voltage range of 2.3V to 5.5V, the
Automatic PFM/PWM Mode Switching
device supports applications powered by Li-Ion
Low Ripple Light-Load PFM Mode
batteries with extended voltage range. Different fixed
Fast Turn-On Time, <60-ms Start-Up Time
voltage output versions are available from 1.2V to
2.3V.
Integrated Active Power-Down Sequencing
(Optional)
The TPS6266x operates at a regulated 6-MHz
switching frequency and enters the power-save mode
Current Overload and Thermal Shutdown
operation at light load currents to maintain high
Protection
efficiency over the entire load current range.
Three Surface-Mount External Components
Required (One MLCC Inductor, Two Ceramic
The PFM mode extends the battery life by reducing
the quiescent current to 31mA (typ) during light load
Capacitors)
and
standby
operation.
For
noise-sensitive
Complete Sub 1-mm Component Profile
applications, the device can be forced into fixed
Solution
frequency PWM mode by pulling the MODE pin high.
Total Solution Size <12 mm2
In the shutdown mode, the current consumption is
reduced to less than 1mA.
Available in a 6-Pin NanoFree (CSP)
The TPS6266x is available in an 6-pin chip-scale
APPLICATIONS
package (CSP).
Cell Phones, Smart-Phones
PDAs, Pocket PCs
Portable Hard Disk Drives
DC/DC Micro Modules
Figure 1. Smallest Solution Size Application
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 is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2010, 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 |
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| TPS62671YFDR | 功能描述:直流/直流开关转换器 500mA,6MHz Hi-Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS62671YFDT | 功能描述:直流/直流开关转换器 500mA,6MHz Hi-Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS62674YFDR | 功能描述:直流/直流开关转换器 500mA,6MHz Hh-Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS62674YFDT | 功能描述:直流/直流开关转换器 500mA,6MHz Hh-Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS626751YFDR | 功能描述:Buck Switching Regulator IC Positive Fixed 1.2V 1 Output 650mA 6-XFBGA, DSBGA 制造商:texas instruments 系列:- 包装:剪切带（CT） 零件状态:有效 功能:降压 输出配置:正 拓扑:降压 输出类型:固定 输出数:1 电压 - 输入（最小值）:2.3V 电压 - 输入（最大值）:4.8V 电压 - 输出（最小值/固定）:1.2V 电压 - 输出（最大值）:- 电流 - 输出:650mA 频率 - 开关:6MHz 同步整流器:是 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:6-XFBGA，DSBGA 供应商器件封装:6-DSBGA 标准包装:1 |
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