參數(shù)資料
型號： TPS5103DB
廠商： Texas Instruments, Inc.
英文描述： MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
中文描述： 多模同步DC / DC控制器
文件頁數(shù)： 1/37頁
文件大?。?/td> 1052K
代理商： TPS5103DB
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SOFTSTART
INV
FB
C
T
R
T
GND
REF
COMP
PWMSKIP
STBY
LH
OUT_u
LL
OUT_d
OUTGND
TRIP
VCC_SENSE
VCC
VREF5
VREG5V_IN
DB PACKAGE
(TOP VIEW)
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240 – SEPTEMBER 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Step-Down DC-DC Converter
Three Operation-Mode
– Heavy Load:
– Fixed Frequency PWM
– Hysteretic (User Selctable)
– Light Load:
– Skip Mode
4.5 V to 25 V Input Voltage Range
Adjustable Output Voltage Down to 1.2 V
95% Efficiency
Stand-By Control
Over Current Protection
UVLO for Internal 5 V Regulation
Low Standby Current . . . 0.5 mA Typical
T
A
=
–40
°
C to 85
°
C
description
The TPS5103 is a synchronous buck dc/dc controller, designed for notebook PC system power. The controller
has three user-selectable operation modes available; hysteretic mode, fixed frequency PWM control, or SKIP
control.
In high current applications, where fast transient response is advantageous for reducing bulk capacitance, the
hysteretic mode is selected by connecting the Rt pin to Vref5. Selecting the PWM/SKIP modes for less
demanding transient applications is ideal for conserving notebook battery life under light load conditions. The
device includes high-side and low-side MOSFET drivers capable of driving low Rds (on) N–channel MOSFETs.
The user-selectable overcurrent protection (OCP) threshold is set by an external TRIP pin resister in order to
protect the system. The TPS5103 is configured so that a current sense resistor is not required, improving the
operating efficiency.
R1
R2
1
2
3
4
5
6
7
8
9
SOFTSTART
INV
FB
CT
RT
GND
REF
COMP
PWM/SKIP
STBY
10
19
18
OUTU
17
16
15
14
13
OUTD
OUTGND
TRIP
VCCSENSE
12
11
VREF5
VREG5V_IN
VCC
20
LH
LL
TPS5103
U1
C2
C1
R3
R4
D1
C3
L1
OUTPUT
+
5 V
C4
C5
Q2
Q1
Figure 1. Typical Design
Copyright
1999, Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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.
TI is a trademark of Texas Instruments Incorporated.
相關(guān)PDF資料
PDF描述
TPS54310EVM 3-Amp Externally Compensated SWIFT Regulator Evaulation Module(3A外部補償SWIFT穩(wěn)壓器TPS54310的評估模塊)
TPS54350EVM-235 3-Amp SWIFT Regulator Evaulation Module(3A SWIFT穩(wěn)壓器TPS54350的評估模塊)
TPS54372EVM-215 3-Amp SWIFT Regulator Evaulation Module(3A SWIFT穩(wěn)壓器TPS54372的評估模塊)
TPS54373EVM-237 3-Amp SWIFT Regulator With Disabled Sink During Start-Up Evaulation Module(帶上電時禁止吸收電流功能的3A SWIFT穩(wěn)壓器TPS54373的評估模塊)
TPS54380EVM-001 3-Amp SWIFT Regulator Evaulation Module(3A SWIFT穩(wěn)壓器TPS54380的評估模塊)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS5103EVM-136 功能描述:電源管理IC開發(fā)工具 PWM/Hysteretic Buck Contr RoHS:否 制造商:Maxim Integrated 產(chǎn)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
TPS5103IDB 功能描述:DC/DC 開關(guān)控制器 Synch BuckController RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS5103IDBG4 功能描述:DC/DC 開關(guān)控制器 Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS5103IDBR 功能描述:DC/DC 開關(guān)控制器 Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS5103IDBRG4 功能描述:DC/DC 開關(guān)控制器 Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*