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參數資料
| 型號： | TPS61045DRBTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.45 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, SON-8 |
| 文件頁數： | 1/21頁 |
| 文件大小： | 582K |
| 代理商： | TPS61045DRBTG4 |
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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| TPS61046YFFT | 功能描述:LED 驅動器 IC 1 輸出 DC DC 穩壓器 升壓（升壓） 1.2A（開關） 6-DSBGA 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態:有效 類型:DC DC 穩壓器 拓撲:升壓（升壓） 內部開關:是 輸出數:1 電壓 - 供電（最低）:1.8V 電壓 -?供電（最高）:5.5V 電壓 - 輸出:4.5 V ~ 28 V 電流 - 輸出/通道:1.2A（開關） 頻率:1.05MHz 調光:- 應用:- 工作溫度:-40°C ~ 125°C （TJ） 安裝類型:表面貼裝 封裝/外殼:6-UFBGA，DSBGA 供應商器件封裝:6-DSBGA 標準包裝:1 |
| TPS61050 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2-A HIGH POWER WHITE LED DRIVER 2-MHz SYNCHRONOUS BOOST CONVERTER WITH I2C COMPATIBLE INTERFACE |
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