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參數(shù)資料
| 型號： | TPS62270DRVR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.84 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, 0.80 MM HEIGHT, GREEN, PLASTIC, SON-6 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 882K |
| 代理商： | TPS62270DRVR |
PIN ASSIGNMENTS
SW
VSEL
FB
EN
GND
VIN
1
2
3
4
5
6
Pow
er
P
ad
TopviewDRVpackage
Zero-Pole
AMP.
Integrator
Error Amp.
PFMComparator
PWM
Comp.
VREF
Control
Stage
GateDriver
Anti
Shoot-Through
Current
LimitComparator
Current
LimitComparator
VREF+1%
FB
VIN
GND
2.25MHz
Oscillator
SW1
EN
VIN
Softstart
VOUT RAMP
CONTROL
Thermal
Shutdown
Reference
0.6VVREF
Undervoltage
Lockout1.8V
Limit
HighSide
Limit
LowSide
Sawtooth
Generator
FB
RI3
RI1
RI..N
VSEL
GND
InternalVoltage
SettingNetwork
SLVS799C – NOVEMBER 2007 – REVISED JANUARY 2009 ........................................................................................................................................... www.ti.com
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NO.
NAME
(SON)
VIN
5
PWR
VIN power supply pin.
GND
6
PWR
GND supply pin
EN
4
I
This is the enable pin of the device. Pulling this pin to low forces the device into shutdown mode. Pulling this
pin to high enables the device. This pin must be terminated.
SW
1
OUT
This is the switch pin and is connected to the internal MOSFET switches. Connect the inductor to this
terminal
FB
3
I
Feedback Pin for the internal regulation loop. Connect the external resistor divider to this pin. In case of fixed
output voltage option, connect this pin directly to the output capacitor
VSEL
2
I
Voltage Select input. Please refer to table ordering information for available output voltage selections.
FUNCTIONAL BLOCK DIAGRAM
4
Copyright 2007–2009, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62270DRVRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 400mA Step Down Converter 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 |
| TPS62270DRVT | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 400mA Step- Down Converter 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 |
| TPS62270DRVTG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 400mA Step Down Converter 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 |
| TPS62270EVM-306 | 功能描述:電源管理IC開發(fā)工具 TPS62270EVM-306 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 |
| TPS62272DRVR | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2.25MHz 400mA Step- Down Converter 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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