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參數(shù)資料
| 型號： | TPS51511RHLT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封裝： | ROHS COMPLIANT, PLASTIC, QFN-20 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 1019K |
| 代理商： | TPS51511RHLT |
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www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION
ENLDO
ENSW
NC
GND
ODOFF
OD
VLDO
VLDOFB
PGOOD
VOSW
CS
ENSW
PGND
LL
DRVL
DRVH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
COMP
PGOOD
PCIExpressI/O
+1.2V/2 A
ODOFF=Lo,1.2V
ODOFF=Hi,1.1V
TPS51511
V5IN
VLDOIN
VBST
VSWFB
ENLDO
+1.8V_LDOIN
+5V
V =3Vto28V
I
GPU_core
+1.1V_LowerPower
+1.2V_Performance
SLVS735A – FEBRUARY 2007 – REVISED APRIL 2007
Synchronous Switcher Controller With 2-A LDO for GPU Power
–
Optional PGOOD
Switcher Controller:
–
Output Discharge
–
Adjustable-Output Buck Converter, 0.75 V
–
Thermal Shutdown
to 3.3 V
–
Wide Input Voltage Range: 3.0-V to 28-V
GPU Power
–
D-CAP Mode with 100-ns Load Step
Notebook Computers
Response
–
Current Mode Option Supports Ceramic
Output Capacitors
The
TPS51511
is
a
350-kHz
D-CAP-mode
–
Current Sensing From RDS(ON) or Resistor
synchronous switcher with a 2-A, source-only low
–
Internal Switch Supports Dynamic Output
drop-out (LDO) regulator. It is specifically designed
Voltage Change
for low cost/low noise/low external-component count
–
Advanced PGOOD Mask Feature
power systems for GPU applications. The integrated
'OD' switch in the buck controller supports dynamic
–
Equipped With PGOOD, OVP and UVP
output voltage change. The current mode option of
–
Output Discharge
the synchronous buck converter can support pure
–
5 V UVLO Protection
output
ceramic-capacitor
applications.
The
open-drain LDO power-good signal can be accessed
LDO Regulator:
through the OD pin when it is needed in the
–
2-A LDO for GPU I/O Power
application. The TPS51511 is available in the
–
Input Range: Up to 5 V
thermally-enhanced 20-pin QFN package, and is
specified from –40
°C to 85°C.
–
Output Range: 0.75 V to 3.3 V
–
Requires Only 20-
F Ceramic Output
Capacitor for LDO Output
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.
D-CAP, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2007, 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS51511RHLTG4 | 功能描述:DC/DC 開關(guān)控制器 Synch Switcher 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 |
| TPS51513 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SINGLE PHASE D-CAP+ SYNCHRONOUS BUCK CONTROLLER WITH INTEGRATED DRIVERS FOR GENERAL IC VCORE APPLICATIONS |
| TPS51513EVM-549 | 功能描述:電源管理IC開發(fā)工具 TPS51513EVM-549 Eval Mod 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 |
| TPS51513EVM-549 | 制造商:Texas Instruments 功能描述:DEVELOPMENT TOOL |
| TPS51513RHB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SINGLE PHASE D-CAP+ SYNCHRONOUS BUCK CONTROLLER WITH INTEGRATED DRIVERS FOR GENERAL IC VCORE APPLICATIONS |
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