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参数资料
| 型号： | TPS54233DG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 390 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 1/25页 |
| 文件大小： | 789K |
| 代理商： | TPS54233DG4 |
V
=3.3V
O
0
0.5
I
-OutputCurrent- A
O
95
100
Efficiency-%
V
=8V
IN
V
=12V
IN
V
=18V
IN
90
85
80
75
70
65
60
0.25
0.75
1
1.25
1.5
1.75
2
V
=15V
IN
PH
VIN
GND
BOOT
VSENSE
COMP
SS
C
SS
D1
VIN
VOUT
EN
TPS54233
C
I
C
BOOT
L
O
C
O
Ren1
R
O2
C
1
C
2
R
3
Ren2
R
O1
SLUS859B
– OCTOBER 2008 – REVISED FEBRUARY 2011
2A, 28V INPUT, STEP DOWN SWIFT
DC/DC CONVERTER WITH ECO-MODE
Check for Samples: TPS54233
1
FEATURES
APPLICATIONS
Consumer Applications such as Set-Top
2
3.5 V to 28 V Input Voltage Range
Boxes, CPE Equipment, LCD Displays,
Adjustable Output Voltage Down to 0.8 V
Peripherals, and Battery Chargers
Integrated 80 m
High Side MOSFET Supports
Industrial and Car Audio Power Supplies
up to 2A Continuous Output Current
5V, 12V and 24V Distributed Power Systems
High Efficiency at Light Loads with a Pulse
Skipping Eco-mode
DESCRIPTION
Fixed 300 kHz Switching Frequency
The TPS54233 is a 28 V, 2 A non-synchronous buck
Typical 1
μA Shutdown Quiescent Current
converter that integrates a low RDS(on) high side
Adjustable Slow Start Limits Inrush Currents
MOSFET. To increase efficiency at light loads, a
pulse skipping Eco-mode
feature is automatically
Programmable UVLO Threshold
activated. Furthermore, the 1
μA shutdown supply
Overvoltage Transient Protection
current allows the device to be used in battery
Cycle by Cycle Current Limit, Frequency Fold
powered applications. Current mode control with
Back and Thermal Shutdown Protection
internal slope compensation simplifies the external
compensation calculations and reduces component
Available in Easy-to-Use SOIC8 Package
count while allowing the use of ceramic output
Supported by SwitcherPro
Software Tool
capacitors. A resistor divider programs the Hysteresis
of the input under-voltage lockout. An overvoltage
transient protection circuit limits voltage overshoots
during startup and transient conditions. A cycle by
For SWIFT
Documentation, See the TI
cycle current limit scheme, frequency fold back and
Website at www.ti.com/swift
thermal shutdown protect the device and the load in
the event of an overload condition. The TPS54233 is
available in an 8-pin SOIC package that has been
internally optimized to improve thermal performance.
SIMPLIFIED SCHEMATIC
EFFICIENCY
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
SWIFT, Eco-mode, SwitcherPro, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
2008–2011, 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS54233DR | 功能描述:直流/直流开关转换器 28V,2A,300khZ Non- synch Buck 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 |
| TPS54233DRG4 | 功能描述:直流/直流开关转换器 28V,2A,300khZ Non- Synch Buck 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 |
| TPS54233EVM-373 | 功能描述:电源管理IC开发工具 TPS54233EVM-373 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 |
| TPS54233-Q1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-A, 28-V INPUT, STEP-DOWN DC/DC CONVERTER WITH ECO-MODEa?￠ |
| TPS54233QDRQ1 | 功能描述:开关变换器、稳压器与控制器 AC 3.5-28Vin,2A 300kHz SD Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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