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| 型号： | TPS61045DRBT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.45 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-8 |
| 文件页数： | 1/21页 |
| 文件大小： | 582K |
| 代理商： | TPS61045DRBT |
1MW
C1
100nF
C3
L
VIN
SW
DO
FB
L1
D1
MBR0530
GND
CTRL
PGND
TPS61045
Enable/LCDbiascontrol
C2
4.7 F
m
R2
R1
R3
Cff
22pF
4.7 H
m
2.2MW
1 F
m
VO
16.2Vto18.9V/10mA
180kW
V
=1.8Vto6V
IN
1
2
5
6
8
3
4
7
www.ti.com
SLVS440B – JANUARY 2003 – REVISED MARCH 2009
DIGITALLY ADJUSTABLE BOOST CONVERTER
Check for Samples: TPS61045
1
FEATURES
DESCRIPTION
Input Voltage Range . . . 1.8 V to 6 V
Output voltage of up to 28V possible
The TPS61045 is a high frequency boost converter
with digitally programmable output voltage and true
Up to 85% Efficiency
shutdown.
During
shutdown,
the
output
is
Digitally Adjustable Output Voltage Control
disconnected from the input by opening the internal
Disconnects Output From Input During
input switch. This allows a controlled power up/down
Shutdown
sequencing of the display. The output voltage can be
increased or decreased in digital steps by applying a
Switching Frequency . . . Up to 1 MHz
logic signal to the CTRL pin. The output voltage
No Load Quiescent Current . . . 40 mA Typ
range, as well as the output voltage step size, can be
Thermal Shutdown Mode
programmed with the feedback divider network. With
a high switching frequency of up to 1 MHz, the
Shutdown Current . . . 0.1 mA Typ
TPS61045
allows
the
use
of
small
external
Available in Small 3mm × 3mm QFN package
components and together, with the small 8-pin QFN
package,
a
minimum
system
solution
size
is
APPLICATIONS
achieved.
LCD Bias Supply For Small to Medium LCD
Displays
OLED Display Power Supply
–
PDA, Pocket PC, Smart Phones
–
Handheld Devices
–
Cellular Phones
Figure 1. Typical 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.
PRODUCTION DATA information is current as of publication date.
Copyright 2003–2009, 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 |
|---|---|
| TPS61045DRBTG4 | 功能描述:LED照明驱动器 28-V 85% Eff Boost Converter RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| TPS61045EVM-231 | 功能描述:电源管理IC开发工具 TPS61045-231 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 |
| TPS61046EVM-682 | 功能描述:TPS61046 - DC/DC, Step Up 2, Non-Isolated Outputs Evaluation Board 制造商:texas instruments 系列:- 零件状态:有效 主要用途:DC/DC，步升 输出和类型:2，非隔离 功率 - 输出:- 电压 - 输出:12V，5 V ~ 28 V 电流 - 输出:100mA，20mA 电压 - 输入:1.8 V ~ 5.5 V 稳压器拓扑:升压 频率 - 开关:1MHz 板类型:完全填充 所含物品:板 使用的 IC/零件:TPS61046 标准包装:1 |
| TPS61046YFFR | 功能描述:LED 驱动器 IC 1 输出 DC DC 稳压器 升压（升压） 调光 1.2A（开关） 6-DSBGA 制造商:texas instruments 系列:- 包装:剪切带（CT） 零件状态:新产品 类型:DC DC 稳压器 拓扑:升压（升压） 内部开关:是 输出数:1 电压 - 供电（最低）:1.8V 电压 -?供电（最高）:5.5V 电压 - 输出:4.5 V ~ 28 V 电流 - 输出/通道:1.2A（开关） 频率:1.05MHz 调光:- 应用:- 工作温度:-40°C ~ 125°C （TJ） 安装类型:表面贴装 封装/外壳:6-UFBGA，DSBGA 供应商器件封装:6-DSBGA 标准包装:1 |
| TPS61046YFFT | 功能描述:LED 驱动器 IC 1 输出 DC DC 稳压器 升压（升压） 1.2A（开关） 6-DSBGA 制造商:texas instruments 系列:- 包装:剪切带（CT） 零件状态:有效 类型:DC DC 稳压器 拓扑:升压（升压） 内部开关:是 输出数:1 电压 - 供电（最低）:1.8V 电压 -?供电（最高）:5.5V 电压 - 输出:4.5 V ~ 28 V 电流 - 输出/通道:1.2A（开关） 频率:1.05MHz 调光:- 应用:- 工作温度:-40°C ~ 125°C （TJ） 安装类型:表面贴装 封装/外壳:6-UFBGA，DSBGA 供应商器件封装:6-DSBGA 标准包装:1 |
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