參數(shù)資料
型號： TPS62240DRVTG4
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
文件頁數(shù)： 24/29頁
文件大?。?/td> 859K
代理商： TPS62240DRVTG4
www.ti.com
PIN ASSIGNMENTS
V
IN
GND
EN
SW
FB
1
2
3
5
4
DDCPACKAGE
(TOP VIEW)
DRV PACKAGE
(TOPVIEW)
MODE
FB
GND
SW
EN
VIN
1
2
3
6
5
4
r
Po
we
PA
D
Zero-Pole
AMP.
Integrator
Error Amp .
PFMComparator
PWM
Comp.
VREF
Control
Stage
GateDriver
Anti-
Shoot-Through
Current
LimitComparator
Current
LimitComparator
VREF
FB
VIN
GND
MODE
2.25 MHz
Oscillator
SW1
EN
VIN
Softstart
VOUT RAMP
CONTROL
Thermal
Shutdown
Reference
0.6VVREF
Undervoltage
Lockout 1.8V
Limit
HighSide
Limit
LowSide
Sawtooth
Generator
Int. Resistor
Network
FB
R
I3
RI 1
RI..N
Mode
Onlyin 2x2SON
GND
TPS62240, TPS62242, TPS62243
SLVS762B – JUNE 2007 – REVISED SEPTEMBER 2007
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NO.
NAME
(SON)
TSTO23-5
VIN
5
1
PWR
VIN power supply pin.
GND
6
2
PWR
GND supply pin
This is the enable pin of the device. Pulling this pin to low forces the device into shutdown
EN
4
3
I
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
SW
1
5
OUT
to this terminal.
Feedback Pin for the internal regulation loop. Connect the external resistor divider to this pin.
FB
3
4
I
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
MODE
2
I
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.
FUNCTIONAL BLOCK DIAGRAM
4
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Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS62240 TPS62242 TPS62243
相關(guān)PDF資料
PDF描述
TPS62240DRVT 2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package
TPS62242DRV 2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package
TPS62242 2.25MHz 300mA Step-Down Converter in 2x2mm SON/TSOT23 Package
TPS62243DRVRG4 2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package
TPS62243DRVR 2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS62242DRVR 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
TPS62242DRVRG4 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
TPS62242DRVT 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
TPS62242DRVTG4 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
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