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參數資料
| 型號： | TPS62612YFDT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1.2 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA6 |
| 封裝： | 0.40 MM HEIGHT, LEAD FREE, DSBGA-6 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 743K |
| 代理商： | TPS62612YFDT |
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CSP-6
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I -LoadCurrent-mA
O
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Efficiency-%
PowerLoss-mW
V =3.6V,
V =1.8V
I
O
Efficiency
PFM/PWMOperation
PowerLoss
PFM/PWMOperation
VIN
SW
FB
MODE
EN
GND
VOUT
1.8V@350mA
C
2.2 F
I
m
TPS6261x
L
0.47 H
m
C
4.7 F
O
m
VBAT
2.9V..5.5V
www.ti.com
SLVS936A – NOVEMBER 2009 – REVISED MARCH 2010
350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
IN LOW PROFILE CHIP SCALE PACKAGING (HEIGHT < 0.4mm)
1
FEATURES
23
90% Efficiency at 6MHz Operation
DESCRIPTION
31mA Quiescent Current
The
TPS6261x
device
is
a
high-frequency
Wide VIN Range From 2.3V to 5.5V
synchronous step-down dc-dc converter optimized for
6MHz Regulated Frequency Operation
battery-powered portable applications. Intended for
low-power applications, the TPS6261x supports up to
Best in Class Load and Line Transient
350-mA load current, and allows the use of low cost
±2% Total DC Voltage Accuracy
chip inductor and capacitors.
Automatic PFM/PWM Mode Switching
With a wide input voltage range of 2.3V to 5.5V, the
Low Ripple Light-Load PFM Mode
device supports applications powered by Li-Ion
>50dB VIN PSRR (1kHz to 10kHz)
batteries with extended voltage range. Different fixed
voltage output versions are available from 1.2V to
Internal Soft-Start, 100-ms Start-Up Time
2.3V.
Integrated Active Power-Down Sequencing
(Optional)
The TPS6261x operates at a regulated 6-MHz
switching frequency and enters the power-save mode
Three Surface-Mount External Components
operation at light load currents to maintain high
Required (One 0603 MLCC Inductor, Two 0402
efficiency over the entire load current range.
Ceramic Capacitors)
The PFM mode extends the battery life by reducing
Complete Sub 0.4-mm Component Profile
the quiescent current to 31mA (typ) during light load
Solution
operation.
For
low-frequency
noise-sensitive
Total Solution Size <10 mm2
applications, the device can be forced into fixed
Available in a 6-Pin NanoFree (CSP)
frequency PWM mode by pulling the MODE pin high.
Ultra-Thin Packaging
These features, combined with high PSRR and AC
load
regulation
performance,
make
this
device
suitable to replace a linear regulator to obtain better
APPLICATIONS
power conversion efficiency.
Cell Phones, Smart-Phones
The TPS6261x is available in an 6-pin thin chip-scale
WLAN, GPS and Bluetooth Applications
package (CSP, 0.4mm max. height).
DTV Tuner Applications
DC/DC Micro Modules
l
Figure 2. Efficiency vs. Load Current
Figure 1. Smallest Solution Size Application
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.
3
Bluetooth is a trademark of Bluetooth SIG, Inc.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2009–2010, 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62615EVM-419 | 功能描述:電源管理IC開發工具 TPS62615 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS62615YFDR | 功能描述:直流/直流開關調節器 350mA,6MHz,1.2Vout Hi Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62615YFDT | 功能描述:直流/直流開關轉換器 350mA,6MHz,1.2Vout Hi Eff Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS62616YFDR | 功能描述:直流/直流開關轉換器 350mA,6MHz,2.15Vout High Eff RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS62616YFDT | 功能描述:直流/直流開關轉換器 350mA,6MHz,2.15Vout High Eff RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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