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参数资料
| 型号： | TPS62650YFFR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.7 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA9 |
| 封装： | GREEN, DSBGA-9 |
| 文件页数： | 1/38页 |
| 文件大小： | 820K |
| 代理商： | TPS62650YFFR |
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CSP-9
FB
C2
4.7 F
m
L1
0.47 H
m
VIN
TPS62650
2.3V..5.5V
SW
GND
EN
VSEL
SDA
SCL
upto3.4Mbips
VO
C1
VI
VO =Roof
VO =Floor
I2C Bus
4.7 F
m
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Efficiency
%
IO
LoadCurrent
mA
0
V =3.6V
ForcedPWMOperation
I
V =4.2V
PFM/PWMOperation
I
V =3.6V
PFM/PWMOperation
I
V =2.7V
PFM/PWMOperation
I
VO =1.2V
SLVS808A
– AUGUST 2009 – REVISED FEBRUARY 2011
800-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
WITH I2CTM COMPATIBLE INTERFACE IN CHIP SCALE PACKAGING
1
FEATURES
DESCRIPTION
2
86% Efficiency at 6 MHz Operation
The
TPS6265x
device
is
a
high-frequency
synchronous step-down dc-dc converter optimized for
38
μA Quiescent Current
battery-powered portable applications. Intended for
Wide VIN Range From 2.3 V to 5.5 V
low-power applications, the TPS6265x supports up to
6MHz Regulated Frequency Operation
800mA load current and allows the use of small, low
Best-In-Class Load and Line Transient
cost inductors and capacitors.
±2% PWM DC Voltage Accuracy
The device is ideal for mobile phones and similar
portable applications powered by a single-cell Li-Ion
Automatic PFM/PWM Mode Switching
battery. With an output voltage range adjustable via
Low Ripple Light-Load PFM
I2C interface down to 0.75V, the device supports
I2C Compatible Interface up to 3.4 Mbps
low-voltage
DSPs
and
processors
core
power
Pin-Selectable Output Voltage (VSEL)
supplies in smart-phones and handheld computers.
Internal Soft-Start,
<150-μs Start-Up Time
The TPS6265x operates at a regulated 6MHz
switching
frequency
and
enters
the
efficiency
Current Overload and Thermal Shutdown
optimized power-save mode operation at light load
Protection
currents to maintain high efficiency over the entire
Three Surface-Mount External Components
load current range. In the shutdown mode, the
Required (One MLCC Inductor, Two Ceramic
current consumption is reduced to less than 3.5
μA.
Capacitors)
The serial interface is compatible with Standard,
Complete Sub 1-mm Component Profile
Fast/Fast
Plus
and
High-Speed
mode
I2C
Solution
specification allowing transfers at up to 3.4 Mbps.
Total Solution Size
<13mm2
This communication interface is used for dynamic
voltage scaling with voltage steps down to 12.5mV,
Available in a 9-Pin NanoFree
(CSP)
for setting the output voltage or reprogramming the
Packaging
mode of operation (PFM/PWM or Forced PWM) for
instance.
APPLICATIONS
The TPS6265x is available in an 9-pin chip-scale
SmartReflex
Compliant Power Supply
package (CSP).
OMAP
Application Processor Core Supply
Cell Phones, Smart-Phones
Micro DC-DC Converter Modules
spacer
Figure 1. Typical Application
Figure 2. Efficiency vs Load Control
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 are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
2009–2011, 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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| TPS62660YFFR | 功能描述:直流/直流开关转换器 1000mA,6MHz Synch 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 |
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