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參數(shù)資料
| 型號(hào)： | TPS62240DRV |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package |
| 中文描述： | 2.25兆赫300毫安降壓轉(zhuǎn)換器2x2SON/TSOT23包 |
| 文件頁(yè)數(shù)： | 4/29頁(yè) |
| 文件大?。?/td> | 859K |
| 代理商： | TPS62240DRV |
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PIN ASSIGNMENTS
V
IN
GND
EN
SW
FB
1
2
3
5
4
DDC PACKAGE
(TOP VIEW)
DRV PACKAGE
(TOP VIEW)
MODE
FB
GND
SW
EN
VIN
1
2
3
6
5
4
r
Powe PAD
Zero-Pole
AMP.
Integrator
Error Amp.
PFM Comparator
PWM
Comp.
VREF
Control
Stage
Gate Driver
Anti-
Shoot-Through
Current
Limit Comparator
Current
Limit Comparator
VREF
FB
FB
VIN
GND
MODE
2.25 MHz
Oscillator
SW1
EN
VIN
Softstart
VOUT RAMP
CONTROL
Thermal
Shutdown
Reference
0.6V VREF
Undervoltage
Lockout1.8V
Limit
High Side
Limit
Low Side
Sawtooth
Generator
Int. Resistor
Network
FB
R
RI 1
RI..N
Mode
Only in 2x2SON
GND
TPS62240, TPS62242, TPS62243
SLVS762B–JUNE 2007–REVISED SEPTEMBER 2007
TERMINAL FUNCTIONS
TERMINAL
NO.
(SON)
5
6
I/O
DESCRIPTION
NO.
NAME
TSTO23-5
1
2
V
IN
GND
PWR
PWR
V
IN
power supply pin.
GND supply pin
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.
This is the switch pin and is connected to the internal MOSFET switches. Connect the inductor
to this terminal.
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.
This pin is only available at SON package option. MODE pin = high forces the device to
operate in fixed frequency PWM mode. MODE pin = low enables the Power Save Mode with
automatic transition from PFM mode to fixed frequency PWM mode.
EN
4
3
I
SW
1
5
OUT
FB
3
4
I
MODE
2
I
FUNCTIONAL BLOCK DIAGRAM
4
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Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s):
TPS62240 TPS62242 TPS62243
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62240DRVR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 300mA 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 |
| TPS62240DRVRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 300mA 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 |
| TPS62240DRVT | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 300mA 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 |
| TPS62240DRVTG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 300mA 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 |
| TPS62240EVM-229 | 功能描述:電源管理IC開發(fā)工具 TPS62240 Eval Mod 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 |
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