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參數(shù)資料
| 型號(hào)： | TPS65050RSMTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 6-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封裝： | 4 X 4 MM, 0.40 MM PITCH, GREEN, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 1/40頁 |
| 文件大?。?/td> | 1234K |
| 代理商： | TPS65050RSMTG4 |
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1
FEATURES
APPLICATIONS
DESCRIPTION
SLVS710A – JANUARY 2007 – REVISED AUGUST 2007
www.ti.com
6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS
AND 4 LOW-INPUT VOLTAGE LDOs
Cell Phones, Smart-Phones
2
Up To 95% Efficiency
WLAN
Output Current for DC/DC Converters:
PDAs, Pocket PCs
–
TPS65050: 2 x 0.6 A
OMAP and Low-Power TMS320 DSP
–
TPS65051: DCDC1 = 1 A; DCDC2 = 0.6 A
Supply
–
TPS65052: DCDC1 = 1 A; DCDC2 = 0.6 A
Samsung S3C24xx application processor
–
TPS65054: 2 x 0.6 A
Supply
–
TPS65056: DCDC1 = 1 A; DCDC2 = 0.6 A
Portable Media Players
Output Voltages for DC/DC Converters
–
TPS65050: Externally Adjustable
The TPS6505x are integrated Power Management
–
TPS65051: Externally Adjustable
ICs for applications powered by one Li-Ion or
–
TPS65052: DCDC1 = Fixed at 3.3 V;
Li-Polymer cell, which require multiple power rails.
DCDC2 = 1 V / 1.3 V for Samsung
The TPS6505x provides two efficient, 2.25-MHz
Application Processors
step-down converters targeted at providing the core
–
TPS65054: DCDC1 = Externally Adjustable;
voltage and I/O voltage in a processor based system.
DCDC2 = 1.3 V / 1.05 V for OMAP1710
Both step-down converters enter a low power mode
at light load for maximum efficiency across the widest
Processor
possible range of load currents.
–
TPS65056: DCDC1 = Fixed at 3.3 V;
DCDC2 = 1 V / 1.3 V for Samsung
For low noise applications, the devices can be forced
Application Processors
into fixed frequency PWM mode by pulling the MODE
pin
high.
In
the
shutdown
mode,
the
current
V
I Range for DC/DC Converters
consumption is reduced to less than 1
μA. The
From 2.5 V to 6 V
devices allow the use of small inductors and
2.25-MHz Fixed Frequency Operation
capacitors to achieve a small solution size. TPS6505x
Power Save Mode at Light Load Current
provides an output current of up to 1 A on each
DC/DC converter. The TPS6505x also integrate two
180° Out-of-Phase Operation
400-mA
LDO
and
two
200-mA
LDO
voltage
Output Voltage Accuracy in PWM mode ±1%
regulators, which can be turned on/off using separate
Low Ripple PFM Mode
enable pins on each LDO. Each LDO operates with
an input voltage range between 1.5 V and 6.5 V
Total Typical 32-μA Quiescent Current for Both
allowing them to be supplied from one of the
DC/DC Converters
step-down converters or directly from the main
100% Duty Cycle for Lowest Dropout
battery.
Two General-Purpose 400-mA, High PSRR
Four digital input pins are used to set the output
LDOs
voltage of the LDOs from a set of 16 different
Two General-Purpose 200-mA, High PSRR
combinations for LDO1 to LDO4 on TPS65050 and
LDOs
TPS65052. In TPS65051, TPS65054 and TPS65056,
the LDO voltages are adjustable using external
V
I range for LDOs from 1.5 V to 6.5 V
resistor dividers.
Digital Voltage Selection for the LDOs
The TPS6505x come in a small 32-pin leadless
Available in a 4 mm x 4 mm 32-Pin QFN
package (4 mm x 4 mm QFN) with a 0.4 mm pitch.
Package
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
OMAP, TMS320, PowerPAD are trademarks of Texas Instruments.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2007, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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| TPS650511YS | 制造商:Texas Instruments 功能描述:DIE - Gel-pak, waffle pack, wafer, diced wafer on film |
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