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參數資料
| 型號： | TPS524 |
| 英文描述： | PHOTOVOLTAIC CELL FOR THERMOPILE DETECTION |
| 中文描述： | 光伏電池的熱電堆檢測 |
| 文件頁數： | 1/29頁 |
| 文件大小： | 500K |
| 代理商： | TPS524 |
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TPS5210
PROGRAMMABLE SYNCHRONOUS-BUCK REGULATOR CONTROLLER
SLVS171A – SEPTEMBER 1998 – REVISED MAY 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
±
1% Reference Over Full Operating
Temperature Range
Synchronous Rectifier Driver for Greater
Than 90% Efficiency
Programmable Reference Voltage Range of
1.3 V to 3.5 V
User–Selectable Hysteretic Type Control
Droop Compensation for Improved Load
Transient Regulation
Adjustable Overcurrent Protection
Programmable Softstart
Overvoltage Protection
Active Deadtime Control
Power Good Output
Internal Bootstrap Schottky Diode
Low Supply Current . . . 3-mA Typ
description
The TPS5210 is a synchronous-buck regulator controller which provides an accurate, programmable supply
voltage to microprocessors. An internal 5-bit DAC is used to program the reference voltage to within a range
of 1.3 V to 3.5 V. The output voltage can be set to be equal to the reference voltage or to some multiple of the
reference voltage. A hysteretic controller with user-selectable hysteresis and programmable droop
compensation is used to dramatically reduce overshoot and undershoot caused by load transients. Propagation
delay from the comparator inputs to the output drivers is less than 250 ns. Overcurrent shutdown and crossover
protection for the output drivers combine to eliminate destructive faults in the output FETs. The softstart current
source is proportional to the reference voltage, thereby eliminating variation of the softstart timing when
changes are made to the output voltage. PWRGD monitors the output voltage and pulls the open-collector
output low when the output drops 7% below the nominal output voltage. An overvoltage circuit disables the
output drivers if the output voltage rises 15% above the nominal value. The inhibit pin can be used to control
power sequencing. Inhibit and undervoltage lockout assures the 12-V supply voltage and system supply voltage
(5 V or 3.3 V) are within proper operating limits before the controller starts. Single-supply (12 V) operation is
easily accomplished using a low-current divider for the required 5-V signals. The output driver circuits include
2-A drivers with internal 8-V gate-voltage regulators. The high-side driver can be configured either as a
ground-referenced driver or as a floating bootstrap driver. The TPS5210 is available in a 28-pin SOIC package
and a 28-pin TSSOP PowerPAD
package. It operates over a junction temperature range of 0
°
C to 125
°
C.
AVAILABLE OPTIONS
PACKAGES
TJ
SOIC
(DW)
TSSOP
(PWP)
0
°
C to 125
°
C
The DW package is available taped and reeled. Add R suffix to device
type (e.g., TPS5210DWR).
TPS5210DW
TPS5210PWPR
Copyright
1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
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IOUT
DROOP
OCP
VHYST
VREFB
VSENSE
ANAGND
SLOWST
BIAS
LODRV
LOHIB
DRVGND
LOWDR
DRV
PWRGD
VID0
VID1
VID2
VID3
VID4
INHIBIT
IOUTLO
LOSENSE
HISENSE
BOOTLO
HIGHDR
BOOT
V
CC
DW OR PWP PACKAGE
(TOP VIEW)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS5300 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MOBILE CPU POWER SUPPLY CONTROLLER |
| TPS5300DAP | 功能描述:DC/DC 開關控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS5300DAPG4 | 功能描述:DC/DC 開關控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS5300DAPR | 功能描述:DC/DC 開關控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS5300DAPRG4 | 功能描述:DC/DC 開關控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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