參數(shù)資料
型號: TPS62260DRV
廠商: Texas Instruments, Inc.
英文描述: 2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package
中文描述: 2.25兆赫600毫安降壓轉(zhuǎn)換器2x2SON/TSOT-23包
文件頁數(shù): 4/32頁
文件大?。?/td> 951K
代理商: TPS62260DRV
www.ti.com
PIN ASSIGNMENTS
V
I
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
FUNCTIONAL BLOCK DIAGRAM
Zero-Pole
AMP.
Integrator
Error Amp.
PFM Comp.
+1% Voltage positioning
PWM
Comp.
VREF
Control
Stage
Gate Driver
Anti
Shoot-Through
Current
Limit Comparator
Current
Limit Comparator
VREF +1%
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
TPS62260, TPS62261, TPS62262
SLVS763–JUNE 2007
TERMINAL FUNCTIONS
TERMINAL
NO.
SON
2x2-6
5
6
I/O
DESCRIPTION
NO.
NAME
TSOT23-5
V
IN
GND
1
2
PWR
PWR
VIN 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
external inductor between this terminal and the output capacitor.
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
4
OUT
FB
3
5
I
MODE
2
I
4
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TPS62260DRVR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA 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
TPS62260DRVRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA 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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