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參數(shù)資料
型號(hào): TPS62420DRCT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, GREEN, PLASTIC, SON-10
文件頁數(shù): 34/37頁
文件大小: 1020K
代理商: TPS62420DRCT
Internal
compensated
Error Amp.
Sawtooth
Generator
Skip Comp.Low
PWM
Comp.
Average
CurrentDetector
Skip ModeEntry
VREF
Control
Stage
GateDriver
PMOSCurrent
LimitComparator
NMOSCurrent
LimitComparator
LoadComparator
VREF-1%
FB
VOUT1
FB_VOUT
Undervoltage
Lockout
Thermal
Shutdown
Softstart
VIN
GND
MODE
Error Amp.
Sawtooth
Generator
PWM
Comp.
VREF
Control
Stage
GateDriver
PMOSCurrent
LimitComparator
NMOSCurrent
LimitComparator
LoadComparator
FB_VOUT2
Thermal
Shutdown
Softstart
VIN
GND
MODE
CLK180°
Easy Scale
Interface
CLK0°
CLK180°
2.25MHz
Oscillator
Converter1
Converter2
SW1
SW2
ADJ2
FB1
DEF1
Mode/
DATA
EN1
EN2
VIN
GND
Ext. res. network
Reference
Average
CurrentDetector
Skip ModeEntry
ACK
MOSFET
Opendrain
Internal
compensated
Skip Comp.
VREF+1%
FB_VOUT
Skip Comp.Low
VREF-1%
FB_VOUT
Skip Comp.
VREF+1%
FB_VOUT
Note A
R
I3
RI1
RI..N
Int.Resistor
Network
C
ff
25pF
Register
DEF1_High
DEF1_Low
RI1
RI..N
Int.Resistor
Network
C
ff 25pF
Register
DEF2
NoteB
SLVS676C – JUNE 2006 – REVISED JUNE 2010
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
A.
In fixed output voltage version, the PIN DEF_1 is connected to an internal digital input and disconnected from the
error amplifier
B.
To set the output voltage of Converter 2 via EasyScale Interface, ADJ2 pin must be directly connected to VOUT2
6
Copyright 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS62420 TPS62421
相關(guān)PDF資料
PDF描述
TPS62420DRC 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
TPS62421DRCR 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
TPS62510DRCRG4 1.5 A SWITCHING REGULATOR, 1700 kHz SWITCHING FREQ-MAX, PDSO10
TPS62510DRCT 1.5 A SWITCHING REGULATOR, 1700 kHz SWITCHING FREQ-MAX, PDSO10
TPS62510DRC 1.5 A SWITCHING REGULATOR, 1700 kHz SWITCHING FREQ-MAX, PDSO10
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS62420DRCT 制造商:Texas Instruments 功能描述:DC/DC Converter IC 制造商:Texas Instruments 功能描述:IC, DUAL STEP-DOWN CONVERTER, SON-10
TPS62420DRCTG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual Adj 600mA & 1000mA 2.25MHz RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62420EVM-167 功能描述:電源管理IC開發(fā)工具 STEP DOWN CONVERTER RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS62420QDRCRQ1 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual,Adj,600mA&1000 mA,2.25MHz Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62421DRCR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2.25MHz 600mA/1000 mA Dual Step Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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