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| 型号： | TPS54260DGQR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | GREEN, PLASTIC, MSOP-10 |
| 文件页数： | 1/49页 |
| 文件大小： | 1808K |
| 代理商： | TPS54260DGQR |
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DRC
DGQ
0
10
20
30
40
50
60
70
80
100
0
0.5
1.0
1.5
2.0
I - Output Current - A
O
Efficiency
-
%
2.5
3.0
90
VIN=12V
VOUT=3.3V
fsw=300kHz
PH
VIN
GND
BOOT
VSENSE
COMP
TPS54260
EN
RT /CLK
SS /TR
PWRGD
www.ti.com
SLVSA86A – MARCH 2010 – REVISED DECEMBER 2010
3.5V to 60V INPUT, 2.5A, STEP DOWN CONVERTER WITH ECO-MODE
Check for Samples: TPS54260
1
FEATURES
0.8-V Internal Voltage Reference
2
3.5V to 60V Input Voltage Range
10-Pin MSOP and 10-Pin 3mm × 3mm SON
with PowerPAD Packages
200-m
High-Side MOSFET
Supported by SwitcherPro Software Tool
High Efficiency at Light Loads with a Pulse
Skipping Eco-Mode
138mA Operating Quiescent Current
For SWIFT Documentation, See the TI
1.3mA Shutdown Current
Website at http://www.ti.com/swift
100kHz to 2.5MHz Switching Frequency
Synchronizes to External Clock
APPLICATIONS
Adjustable Slow Start/Sequencing
12-V, 24-V and 48-V Industrial and Commercial
Low Power Systems
UV and OV Power Good Output
GSM, GPRS Modules in Fleet Management,
Adjustable UVLO Voltage and Hysteresis
E-Meters, and Security Systems
DESCRIPTION
The TPS54260 device is a 60V, 2.5A, step down regulator with an integrated high side MOSFET. Current mode
control provides simple external compensation and flexible component selection. A low ripple pulse skip mode
reduces the no load, regulated output supply current to 138mA. Using the enable pin, shutdown supply current is
reduced to 1.3mA, when the enable pin is low.
Under voltage lockout is internally set at 2.5V, but can be increased using the enable pin. The output voltage
startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open
drain power good signal indicates the output is within 94% to 107% of its nominal voltage.
A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold
back and thermal shutdown protects the part during an overload condition.
The TPS54260 is available in 10-pin thermally enhanced MSOP and 10-pin 3mm × 3mm SON PowerPAD
packages.
SIMPLIFIED SCHEMATIC
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
Eco-Mode, PowerPAD, SwitcherPro, SWIFT are trademarks 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 |
参数描述 |
|---|---|
| TPS54260DRCR | 功能描述:直流/直流开关转换器 3.5V-60Vin,2.5A,2.5 MHz Step Down SWIFT 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 |
| TPS54260DRCT | 功能描述:直流/直流开关转换器 3.5V-60Vin,2.5A,2.5 MHz Step Down SWIFT 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 |
| TPS54260EVM-597 | 功能描述:电源管理IC开发工具 2.5A,10.8-13.2Vin SWIFT Conv Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS54260MDGQTEP | 功能描述:IC REG BUCK ADJ 2.5A 10MOSP 制造商:texas instruments 系列:Eco-Mode? 包装:剪切带（CT） 零件状态:在售 功能:降压 输出配置:正 拓扑:降压 输出类型:可调式 输出数:1 电压 - 输入（最小值）:3.5V 电压 - 输入（最大值）:60V 电压 - 输出（最小值/固定）:0.8V 电压 - 输出（最大值）:60V 电流 - 输出:2.5A 频率 - 开关:100kHz ~ 2.5MHz 同步整流器:无 工作温度:-40°C ~ 150°C（TJ） 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 供应商器件封装:10-MSOP-PowerPad 标准包装:1 |
| TPS54260MDRCTEP | 功能描述:IC REG BUCK ADJ 2.5A 10VSON 制造商:texas instruments 系列:Eco-Mode? 包装:剪切带（CT） 零件状态:在售 功能:降压 输出配置:正 拓扑:降压 输出类型:可调式 输出数:1 电压 - 输入（最小值）:3.5V 电压 - 输入（最大值）:60V 电压 - 输出（最小值/固定）:0.8V 电压 - 输出（最大值）:60V 电流 - 输出:2.5A 频率 - 开关:100kHz ~ 2.5MHz 同步整流器:无 工作温度:-40°C ~ 150°C（TJ） 安装类型:表面贴装 封装/外壳:10-VFDFN 裸露焊盘 供应商器件封装:10-VSON（3x3） 标准包装:1 |
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