參數(shù)資料
型號： UCD7230RGW
廠商： Texas Instruments, Inc.
英文描述： Digital Control Compatible Synchronous Buck Gate Drivers with Current Sense Conditioning Amplifier
中文描述： 數(shù)字控制兼容同步降壓門驅(qū)動器，電流調(diào)節(jié)放大器檢測
文件頁數(shù)： 1/33頁
文件大?。?/td> 874K
代理商： UCD7230RGW
www.ti.com
FEATURES
Input from Digital Controller Sets Operating
Frequency and Duty Cycle
Up to 2-MHz Switching Frequency
Dual Current Limit Protection with
Independently Adjustable Thresholds
Fast Current Sense Circuit with Adjustable
Blanking Interval Prevents Catastrophic
Current Levels
Digital Output Current Limit Flag
Low Offset, Gain of 48, Differential Current
Sense Amplifier
3.3-V, 10-mA Internal Regulator
Dual TrueDrive High-Current Drivers
10-ns Typical Rise/Fall Times with 2.2-nF
Loads
4.5-V to 15.5-V Supply Voltage Range
APPLICATIONS
Digitally-Controlled Synchronous-Buck Power
Stages for Single and Multi-Phase
Applications
Especially Suited for Use with UCD91xx or
UCD95xx Contollers
High-Current Multi-Phase VRM/EVRD
Regulators for Desktop, Server, Telecom and
Notebook Processors
Digitally-Controlled Synchronous-Buck Power
Supplies Using
μ
Cs or the TMS320TM DSP
Family
DESCRIPTION
The UCD7230 is part of the UCD7K family of digital
control compatible drivers for applications utilizing
digital control techniques or applications requiring
fast local peak current limit protection.
Current
Limit Logic
ILIM
CLF
AGND
3V3
3V3
REG
Drive andDead-Time
ControlLogic
(D;1-D)
UVLO
I
DLY
+
CS
BIAS
CS+
BST
OUT1
SW
PVDD
OUT2
PGND
Enable
IO
+
0.6 V
POS
NEG
+
AO
VDD
+
ILIM/10
48x
Over
Current
IN
SRE
Blank
UCD7230
DLY
I
LOAD
PWM
SRE
V
OUT
I
DLY
V
IN
BIAS
I
MAX
CLF
UCD7230
SLUS741C–NOVEMBER 2006–REVISED MARCH 2007
Digital Control Compatible Synchronous Buck Gate Drivers with Current Sense
Conditioning Amplifier
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.
TrueDrive, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2006–2007, Texas Instruments Incorporated
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UCD7230RGWR 功能描述:DC/DC 開關(guān)控制器 Dig Pwr Comp Synch Buck 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
UCD7230RGWRG4 功能描述:DC/DC 開關(guān)控制器 Dig Pwr Comp Synch Buck Drvr 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
UCD7230RGWT 功能描述:DC/DC 開關(guān)控制器 Dig Pwr Comp Synch Buck 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
UCD7230RGWTG4 功能描述:DC/DC 開關(guān)控制器 Dig Pwr Comp Synch Buck Drvr 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
UCD7231 制造商:TI 制造商全稱:Texas Instruments 功能描述:Digital Control Compatible Synchronous-Buck Gate Driver With Current Sense and Fault Protection
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